DuPont Tyvek Fluid Applied WB Commercial Installation Guidelines

Transcription

1 DuPont Tyvek Fluid pplied W DuPont Tyvek Fluid pplied Flashing and Joint ompound DuPont Tyvek Fluid pplied W ommercial Installation Guidelines METHODS FOR SUPERIOR PROTETION GINST IR ND WTER INTRUSION

2 DuPont Tyvek Fluid pplied ir arrier System DuPont Tyvek Fluid pplied W DuPont Tyvek Fluid pplied weather barrier (W) is a vapor permeable, low VO, single-component product with excellent elasticity and flexibility. It is easily applied in one coat and has extremely low shrinkage during curing. DuPont Tyvek Fluid pplied Flashing and Joint ompound full bodied, trowel applied, vapor permeable elastomeric flashing material. It is used to coat rough openings for windows and doors, to fill seams, cracks and holes in the substrate, to seal around penetrations and to treat joints and transitions between building components. DuPont Tyvek Fluid pplied Flashing - rush Formulation brush applied, vapor-permeable elastomeric flashing material used to coat rough openings for windows and doors. DuPont Sealant for Tyvek Fluid pplied System Non-vapor permeable sealant specifically designed to work with the DuPont Tyvek Fluid pplied system. DuPont Sealant for Tyvek Fluid pplied System has excellent adhesion and elongation. It should be used to seal around window, doors, and penetrations. DuPont ommercial Self-dhered Flashing DuPont StraightFlash premium self-adhered membrane used for flashing windows and doors, to treat transitions and for terminations. It is made with DuPont Tyvek and a 100% butylbased adhesive layer. DuPont FlexWrap NF premium extendable self-adhered flashing material that efficiently conforms around corners and irregular shapes. It is made with DuPont Tyvek and a 100% butyl-based adhesive layer. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 2

3 Table of ontents pplicable Products... 3 Recommended Primers... 3 Weather arrier and Energy onservation odes and Standards... 4 Warranty Information... 4 Special onsiderations for MU... 4 Installation Instructions... 5 Detailing... 6 Foundation... 6 Top of Wall... 6 Transitions...7 Transitions to DuPont Tyvek uilding Wrap Products... 8 Penetrations... 8 rick Ties, ladding Supports, and Furring Strips... 9 pplication Over Sheathing... 9 Joint Treatment Methods Repair Equipment Recommendations lean Up Health and Safety Disposal Facade/Exterior onsiderations pplicable Products Fluid pplied Products PRODUT QUNTITY OVERGE DuPont Tyvek Fluid pplied W 5 gal, 50 gal sf/gal* DuPont Tyvek Fluid pplied Flashing and Joint ompound 10.3 oz, 28 oz, 3.5 gal sf/gal* DuPont Tyvek Fluid pplied Flashing and Joint ompound (for gypsum sheathing seam treatment) 10.3 oz, 28 oz, 3.5 gal lf/oz DuPont Tyvek Fluid pplied Flashing - rush Formulation 10.3 oz, 28 oz, 3.5 gal sf/gal* DuPont Sealant for Tyvek Fluid pplied System 10.3 oz, 28 oz N/ * Estimated surface coverage at 25 mils thick. Self-dhered Flashing Products PRODUT DIMENSIONS RE DuPont FlexWrap NF 6 in x 75 ft sq ft 9 in x 75 ft sq ft DuPont StraightFlash 4 in x 150 ft 50 sq ft 9 in x 125 ft sq ft Recommended Primers* (for self-adhered flashing) MNUFTURER PRODUT NME DuPont DuPont dhesive Primer 3M Hi-Strength 90 Denso utyl Primer (spray or can) * pply per manufacturers guidelines. DuPont assumes no liability in use of non-dupont recommended products; installers need to evaluate suitability of recommended products in their end-use applications. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 3

4 Weather arrier & Energy onservation odes and Standards The 2009 International uilding ode (Section Weather Protection) requires that exterior walls shall provide the building with a weather resistant exterior wall envelope. The exterior wall envelope shall include flashing, as described in Section DuPont Tyvek Fluid pplied System has been tested to the following standards. STM E 331 Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and urtain Walls by Uniform Static Pressure STM E 2178 Standard Test Method for ir Permeance of uilding Materials STM E 2357 Standard Test Method for Determining ir Leakage of ir arrier ssemblies STM E 283 Standard Test Method for Determining Rate of ir Leakage Through Exterior Windows, urtain Walls and Doors Under Specified Pressure Differences cross the Specimen. Energy onservation odes for commercial buildings are being adopted in many regions across the U.S. DuPont Tyvek Fluid pplied Weather arrier System products meet the following codes and guidelines. SHRE 90.1 Model Energy ode air barrier requirements Minnesota ommercial Energy ode, Section , Section Massachusetts State uilding ode 780 MR 120. Wisconsin uilding ode, Energy onservation, hapter omm 63 Michigan uilding ode Rhode Island uilding ode Georgia uilding ode Florida uilding ode Warranty Information If interested in reviewing warranty coverage, please see DuPont Tyvek Fluid pplied W Products 10 Year limited warranty at Special onsiderations 1. Suitable substrates for Tyvek Fluid pplied products include concrete masonry unit (MU), concrete (48 hrs. for green concrete), exterior gypsum, OS, plywood, wood, treated wood and metal. 2. Tyvek Fluid pplied products can be applied to damp surfaces. surface is considered damp if there is no visible water on the surface and no transfer of water to the skin when touched. 3. Do not install on a wall that does not feature a continuous path for moisture drainage. Tyvek Fluid pplied products are designed for above grade application and should not be installed below grade. 4. Tyvek Fluid pplied products should be applied when air and surface temperatures are above 25 F and a maximum surface temperature of 140 F (60 ). Do not install once ambient temperature exceeds 95 F (35 ), unless surface is shaded. 5. Tyvek Fluid pplied products may be overcoated once a touch-free skin has formed. Exterior insulation and/or cladding may be installed once the membrane has cured sufficiently to resist damage during installation. Skin time is 1-2 hrs, and 25 mil cures in 24 hrs at 70 F (20 ), 50% RH. 6. Tyvek Fluid pplied products should be stored in a clean, dry environment, at F, (10-27 ). Products may be temporarily stored ( up to one month) in a covered environment, at 20 F to 120 F, intermittently. ontinuous storage at high temperatures will reduce the shelf life of these products. Products temporarily stored outside should be stored under cover. 7. Opened pails and drums of fluid applied product should be covered with plastic to slow cure rate. 8. DuPont requires that fluid applied product be covered within 9 months of installation. 9. efore reusing a previously opened container, first remove any cured material that may have formed at the top. DuPont self-adhered flashing products perform best when air and surface temperatures are above 25 F ( 4 ). 10. recommended primer is required when applying DuPont self-adhered flashing products on concrete, masonry, and fiber faced exterior gypsum board substrates. Priming is generally not required for adhering DuPont self-adhered flashing products to wood. However, adverse weather conditions or colder temperatures may require a primer to promote adhesion. Priming is not required when applying Tyvek Fluid pplied products, except when applying onto cut edges of exterior gypsum sheathing. 11. DuPont Tyvek Fluid pplied products must not come in contact with the building wrap products due to potential impact on performance properties. See page 8 for transitions to DuPont Tyvek buildingwrap products. 12. Stirring not necessary. If separation should occur, you can gently fold material until mixture is uniform. void any type of mixing that will introduce air into the product. 13. sphalt based adhesives are not recommended for use with this product. 14. When applying DuPont self-adhered flashing products over a cured fluid applied membrane, first apply a wet-bed of DuPont Tyvek Fluid pplied product. For additional guidance, please call Tyvek ( ), visit our website at or consult your local DuPont Tyvek Specialist. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 4

5 Installation Instructions STEP 1: PREPRTION lean substrate by removing any material that may affect the adhesion of DuPont Tyvek Fluid pplied products, such as frost, oil, grease, mold and efflorescence. Remove all dust, dirt and loose mortar from the substrate using a trowel and brush. DuPont Tyvek Fluid pplied products can be applied to damp masonry. Striking the MU joints flat is recommended. STEP 2: FLSHING 2. Install a DuPont recommended through wall flashing at all necessary locations (e.g. base of the wall, shelf angles, heads of windows, etc.) 2. Install DuPont Tyvek Fluid pplied Flashing or DuPont self-adhered flashing around windows and doors in accordance with the DuPont Tyvek Fluid pplied Flashing - ommercial Installation Guidelines. Visit STEP 4: WETHER RRIER Tyvek Fluid pplied W may be sprayed, brushed or rolled, however application using a pressure roller such as the Graco Pressure Roller, or equivalent, is the preferred method. roller cover with a 1/4 3/8 nap is recommended. When applying by spray, back rolling is also necessary. Tyvek Fluid pplied W needs only to be applied in a single coat at 25 mils thick (yielding approximately 55 sf/gal on MU). Thickness should be controlled by applying the appropriate volume over a marked area and by spot checking with a wet mil gauge. Integrate Tyvek Fluid pplied W with through wall flashing and window/door flashing by overlapping the flashing with Tyvek Fluid pplied W by a minimum of 2. Upon completion, inspect the membrane to ensure that it is continuous and free of any voids or pinholes. See Special onsideration #5, on page 4, for exterior insulation and cladding installation recommendations. STEP 3: WLL/SUSTRTE PREPRTION 3 3. Fill small cracks and voids in masonry with DuPont Tyvek Fluid pplied Flashing and Joint ompound. Large voids should be filled flush with mortar and allowed to cure. 3. Seal around all penetrations using Tyvek Fluid pplied Flashing and Joint ompound or Sealant for Tyvek Fluid pplied System. The fillet bead should extend ½ onto both surfaces (see page 8 for detail). 3. s a best practice DuPont recommends that all embedded masonry anchors be treated by applying a coat of Tyvek Fluid pplied W or Fluid pplied Flashing and Joint ompound around the base of the anchor (see page 9 for additional fastening recommendations). 3D. Treat all non-moving transition joints to beams, columns, and dissimilar materials by applying a 2 wide, 60 mil thick coat of Fluid pplied Flashing and Joint ompound across the joint (grouted joints between similar materials do not need to be treated). Joints up to ¼ can be treated with joint compound alone. Joints from ¼ - ½ should be reinforced with fiberglass mesh tape. lternatively, joints and transitions may be treated using DuPont StraightFlash (see Special onsideration #10, on page 4, for priming requirements). Flashing should extend a minimum of 2 onto each surface (see page 7 for detail). Refer to page 10 for sheathing joint treatment recommendations. 3E. Treat all inside and outside corners by applying a 25 mil thick coat of Tyvek Fluid pplied, 2 onto each adjoining surface. It is recommended that a fillet bead of Tyvek Fluid pplied be applied to inside corners to help ensure continuity. lternately, corners may be treated using DuPont StraightFlash. e sure that DuPont StraighFlash is pressed tightly into the inside corners and is fully adhered to substrate (see Special onsideration #10, on page 4, for priming requirements) E D 2 2 NOTE: s a best practice DuPont recommends that all flashing and detailing work be completed prior to the application of Tyvek Fluid pplied W. Tyvek Fluid pplied products may be overcoated once a touch-free skin has formed. Skin time is 1-2 hrs at 70 F (20 ), 50% RH. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 5

6 Detailing It is important to maintain the continuity of the weather barrier from top to bottom. The entire wall surface shall be covered, including unconditioned spaces. Special attention should be given to all terminations, transitions, projections and penetrations to ensure a proper drainage plane and a continuous weather barrier is maintained. Foundation. Install a DuPont recommended through wall flashing in accordance with the through wall flashing manufacturer s installation guidelines.. pply any necessary Tyvek Fluid pplied pretreatment, flush with the top of the through wall flashing.. Seal top edge of through wall flashing using DuPont Sealant for Tyvek Fluid pplied System or Tyvek Fluid pplied Flashing and Joint ompound. llow the Tyvek Fluid pplied product to form a touch-free skin, before applying DuPont Tyvek Fluid pplied W. Skin time is 1-2 hrs at 70 F (20 ), 50% RH. D. pply DuPont Tyvek Fluid pplied W onto wall surface at 25 mils thick. Overlap through wall flashing by a minimum of 2. Top of Wall. DuPont Tyvek Fluid pplied W should be installed prior to the installation of the DuPont recommended parapet flashing membrane.. pply a liberal bead of DuPont Sealant for Tyvek Fluid pplied System or Tyvek Fluid pplied Flashing and Joint ompound onto the Tyvek Fluid pplied W at a location that will be approximately 2 up from the bottom edge of the flashing.. Install parapet flashing over the top of wall per parapet flashing manufacturer s guidelines, extending it down over Tyvek Fluid pplied W by at least 4. D. Press flashing into sealant and secure using mechanical fasteners installed through the flashing and sealant bead. NOTE: s soon as practically possible, cap the top of the wall system to reduce the likelihood of water getting behind the facade and into the wall cavity. Transitions 4 D 2 D 1/4 drip edge opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 6

7 METHOD 1* (fluid applied flashing). lean both substrates thoroughly. Remove any material that could negatively affect adhesion.. Fill seam between adjoining substrates flush with the surface using DuPont Tyvek Fluid pplied Flashing and Joint ompound. Joints up to ¼ can be treated with Tyvek Flashing and Joint ompound only. Joints from ¼ - ½ should first be reinforced with fiberglass mesh tape or filled with mortar.. pply a bead Tyvek Fluid pplied Flashing and Joint ompound to both adjoining surfaces and spread material across transition seam to a width of approximately 2 and 60 mils thick. Upon completion, inspect transition treatment for thin spots, gaps or pinholes and repair as necessary. D. llow the Tyvek Fluid pplied product to form a touch-free skin, before applying DuPont Tyvek Fluid pplied W. Skin time is 1-2 hrs, at 70 F (20 ), 50% RH. * For non-moving joints only. METHOD 2* (self-adhered flashing). lean both substrates thoroughly. Remove any material that could negatively affect adhesion.. Prime both substrates using a DuPont recommended primer.. pply a strip of DuPont StraightFlash to the primed substrates. Flashing should extend a minimum of 2 onto each surface. Press StraightFlash firmly onto both surfaces, working it into any irregularities using a J-roller or firm hand pressure. * For non-moving joints only. Transitions to DuPont Tyvek uilding Wrap 2 D opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 7

8 . Install DuPont Tyvek building wrap products per DuPont Installation Guidelines prior to application of DuPont Tyvek Fluid pplied W.. Fasten building wrap to the stud adjoining the transition substrate.. ut DuPont Tyvek building wrap so that approximately 3 will overlap the adjoining substrate. D. Fold back the 3 flap of building wrap and prime adjoining substrate with a DuPont recommended primer. E. Fold building wrap back down over the interface and seal it to the primed substrate using 4 DuPont StraightFlash, overlapping both surfaces evenly by approximately 2. Press DuPont StraightFlash firmly onto any irregular surfaces using a J-roller or firm hand pressure. F. Lastly, apply Tyvek Fluid pplied W onto wall surface, and onto DuPont StraightFlash. Tyvek Fluid pplied W should overlap StraightFlash by a minimum of 2. Do not apply Tyvek Fluid pplied W onto Tyvek building wrap. Upon completion, inspect surface to ensure that Tyvek Fluid pplied W is continuous and free of any voids or pinholes. Penetrations. lean both substrates.. Seal around penetration using DuPont Tyvek Fluid pplied Flashing and Joint ompound or Sealant for Tyvek Fluid pplied System. Upon completion, inspect Tyvek Fluid pplied for gaps or pinholes and repair as necessary.. Tyvek Fluid pplied should extend a minimum of ½ onto both surfaces. llow product to form a touch-free skin, before applying DuPont Tyvek Fluid pplied W. Skin time is 1-2 hrs, at 70 F (20 ), 50% RH. 1/2 3 D E F opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 8

9 rick Ties, ladding Supports, and Furring Strips s a best practice, DuPont recommends that all embedded masonry anchors be treated by applying a coat of DuPont Tyvek Fluid pplied W or DuPont Tyvek Fluid pplied Flashing and Joint ompound around the base of the anchor. When installing mechanically attached supports or furring strips in high performance building envelope designs (building envelope design requirements exceeding STM E 1677, 65 mph equivalent structural load and 15 mph equivalent wind-driven rain water infiltration testing), fasteners shall be sealed by, 1) applying a piece of double sided butyl tape to the back of support bracket at the fastener location, or 2) embedding support bracket into an additional wet bed of a DuPont Tyvek Fluid pplied product, or 3) applying a coat of DuPont Tyvek Fluid pplied product to the screw before installing, or 4) an alternate DuPont approved method. When installing mechanically attached supports or furring strips in building envelope design requirements equivalent to STM E 1677 conditions or less, no pretreatment is necessary. pplication Over Sheathing DuPont Tyvek Fluid pplied W may be installed over exterior gypsum, OS, and plywood sheathing. Sheathing should be clean and free from any materials that could negatively affect adhesion. When installing over sheathing, it is important that all sheathing seams be pretreated using the appropriate joint treatment method (see page 10). ll flashing and detailing should be completed before installation of DuPont Tyvek Fluid pplied W. When applying over exterior gypsum, all cut edges along outside corners and rough openings should first be primed with a recommended primer. Pretreat all inside and outside corners by applying a 25 mil thick coat of Tyvek Fluid pplied, 2 onto each adjoining surface. It is recommended that a fillet bead of Fluid pplied be applied to inside corners to help ensure continuity. lternately, corners may be treated using DuPont StraightFlash. e sure that DuPont StraighFlash is pressed tightly into the inside corners and is fully adhered to substrate (see Special onsideration #10, on page 4, for priming requirements). Tyvek Fluid pplied W may be brushed, rolled or spray applied. However, application using a pressure roller such as Graco Pressure Roller, or equivalent, is the preferred method. roller cover with a 1/4 3/8 nap is recommended. When applying by spray, the surface should be back rolled to insure a pinhole free surface. Fluid pplied W should also be applied in a single coat at 25 mils thick (yielding approximately 65 sf/gal on exterior gypsum). The thickness should be controlled by applying the appropriate volume over a marked area and by spot checking with a wet mil gauge. Upon completion, inspect the membrane to ensure that it is continuous and free of any voids or pinholes. Tyvek Fluid pplied products may be overcoated once a touch-free skin has formed. Exterior insulation and/or cladding may be installed once the membrane has cured sufficiently to resist damage during installation. Skin time is 1-2 hrs, and 25 mil cures in 24 hrs at 70 F (20 ), 50% RH. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 9

10 Joint Treatment Methods Joint treatment is not necessary for gaps 1/16 wide or less. Method 1 (for gaps up to 1/4 ). pply a bead of DuPont Tyvek Fluid pplied Flashing and Joint compound above and below the sheathing seam.. Smooth joint compound across the joint using a trowel. Joint ompound should extend a minimum of 1 on either side of the joint and be mils thick.. heck joint for thin spots and pinholes, repair as necessary. Method 2 (for gaps up to 1/2 ). Firmly apply self-adhered reinforcing mesh tape.. pply a bead of Tyvek Fluid pplied Flashing and Joint ompound above and below the sheathing seam.. Smooth joint compound across the mesh tape using a trowel. Joint compound should extend a minimum of 1 on either side of the joint and be mils thick. D. heck joint for thin spots and pinholes, repair as necessary. Method 3 (for gaps up to 1 ). pply recommended primer above and below sheathing joint.. enter DuPont StraightFlash over joint and firmly press onto sheathing using a J-roller or firm hand pressure. Method 1 1/16-1/4 Method 2 1/4-1/2 Method 3 1/2-1 Repair Small repairs can be made by coating the damaged area with a layer of Tyvek Fluid pplied product. Larger damaged areas may need to be reinforced using fiberglass mesh or by replacing damaged substrate before reapplying Tyvek Fluid pplied product. Equipment Recommendations pplication using a pressure roller, such as the Graco Pressure Roller, is the preferred method of installation of Tyvek Fluid pplied W. pressure roller can be used in conjunction with a variety of pumps, such as the Graco TexSpray Mark V, TexSpray 7900 HD, GH 733, GH 833 or equivalent. Tyvek Fluid pplied W can be sprayed using a high pressure air-powered, airless sprayer such as the Graco X70 Xtreme Sprayer or equivalent. The recommended tip sizes are minimum hose diameter of 3/8 should be used when spray applying. ll internal filters should be removed from the pump, spray gun, and pressure roller assembly, before applying product. The pump intake screen should be installed when applying product. The condition of the pump, as well as the size, length, and condition of the hoses used can affect the systems performance. The diameter of some hose sections may need to be increased, depending on the pumping distance desired. Refer to pump manufactures representative and guidelines regarding the operation and maintenance of the pump system. Operation of pump equipment can be hazardous. ll manufacturer limitations, warnings, and safety recommendations should be followed. lean Up Uncured material can be cleaned from hands, tools, and equipment by using a citrus based cleaner or standard mineral spirits. ured product can be removed by soaking in a solvent or gel-based paint stripper. Tyvek Fluid pplied W is a moisture cure product and will react with water based products. When applying with a pump system, be sure that the system is completely clean of any incompatible materials before use. If the system is not completely clean or if moisture is present in the system, the product may react and cure in the system. Tyvek Fluid pplied W should not be stored in the pump, hose, gun, or pressure roller. fter application is complete, flush the system with a citrus based cleaner, or standard mineral spirits until the system is clean. Low pressure portions of the pump should be taken apart and cleaned by hand to promote optimal pump performance. efore each use, flush any remaining solvent out of the system before applying Tyvek Fluid pplied W to the wall. Refer to pump manufacturer instructions for additional cleaning and storage recommendations. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 10

11 Health and Safety Tyvek Fluid pplied System products contain calcium carbonate, vinyl trimethoxysilane and diaminopropyl trimethoxysilane. Vapor harmful if using spray application. Use in a well ventilated area. Use a NIOSH approved respirator. If vapors are inhaled, immediately remove from exposure and contact a physician. void contact with eyes and skin. Protective eye wear and gloves are recommended. Refer to the MSDS for complete health and safety information. Visit Tyvek Fluid pplied website at Disposal Dispose of any residual fluid applied material or fluid applied coated debris in accordance with applicable federal, state, and local government regulations. Facade/Exterior onsiderations NOTE: Refer to Special onsideration #5, on page 4, for exterior insulation and cladding installation recommendations. rick The rick Industry ssociation recommends a 1 air-space in front of wood stud construction and a 2 air-space in front of steel stud construction. onsistent with these requirements and recommendations, Tyvek Fluid pplied W shall be separated from the brick veneer by a minimum 1 air-space. Window and door flashing and through wall flashing shall be integrated with the DuPont Tyvek Fluid pplied W in accordance with these installation guides. For maximum moisture management and drying of the wall system, the airspace in front of the Fluid pplied W shall be vented to the exterior at the top and bottom of the wall. Stucco When stucco is installed over wood-based sheathing the 2012 International uilding ode (Section ) requires a water-resistive vapor-permeable barrier with a performance at least equivalent to two layers of Grade D paper or a layer of weather barrier which is separated from the stucco by an intervening layer. When the DuPont Tyvek Fluid pplied W is used behind stucco, it should be separated from the stucco by an intervening layer per section of the 2012 International uilding ode. DuPont Tyvek Fluid pplied W should be installed as the first air and water barrier directly over the face of the substrate, and should be integrated with the window and door flashings, the weep screed at the bottom of the wall and any through wall flashings or expansion joints. Lath shall be installed over the intervening layer (second layer) in accordance with STM Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland ement-ased Plaster and applicable codes. Metal Panel When used with DuPont Tyvek Fluid pplied W, metal panel cladding systems shall be installed according to manufacturer s instructions and industry standards. Window and door flashing and through wall flashing shall be integrated with the Tyvek Fluid pplied W. Stone Veneer The 2009 International uilding ode (Section1405.7) requires two layers of a water resistive barrier behind stone veneers over framed construction. When used behind stone veneer, DuPont Tyvek Fluid pplied W shall be installed in a similar manner as it is behind stucco. When installed over wood frame construction, DuPont Tyvek Fluid pplied W should be separated from the stone and mortar by an intervening layer (second layer) of a DuPont Tyvek building wrap, a layer of grade D building paper, felt, rigid foam board or the paper backing of paper-backed lath. DuPont Tyvek Fluid pplied W should be installed as the first air and water barrier layer directly over the face of the substrate, and should be integrated with the window and door flashings, the weep screeds at the bottom of the wall and any through wall flashings or expansion joints. Lath shall be installed over the intervening layer (second layer) in accordance with STM Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland ement-ased Plaster and applicable codes. Wood Siding When used with DuPont Tyvek Fluid pplied W, and wood siding shall be installed according to manufacturer s instructions, industry standards and applicable codes. s recommended by the Western Red edar Lumber ssociation and U. S. Forest Product Laboratory, wood siding should be primed on all six sides before installation. In high exposure installations, enhanced drainage and water management may be provided by using DuPont Tyvek ommercialwrap D or by creating rainscreen cladding with a larger airspace behind the siding using furring strips. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 11

12 Fiber ement Siding When used with DuPont Tyvek Fluid pplied W, fiber cement siding shall be installed according to manufacturer s instructions and industry standards. In high exposure installations, enhanced drainage and water management may be provided by using DuPont Tyvek ommercialwrap D or by creating rainscreen cladding with a larger airspace behind the siding using furring strips. Exterior Insulation Exterior Insulation should be installed after the appropriate flashing materials have been installed and DuPont Tyvek Fluid pplied W has been applied and properly integrated with flashing. Exterior insulation shall be installed in accordance with manufacture s guidelines and industry standards. The level of performance of exterior insulation (continuous insulation) is dependent upon proper installation and continuity limitations due to the design of the building envelope. opyright 2014 E. I. du Pont de Nemours and ompany. ll Rights Reserved. Rev. 09/14 12

13 Technical Specifications DuPont Tyvek Fluid pplied products are formulated to include elastomeric polymers that cure to continuous, fully-adhered, tough, durable membranes. dditives have been incorporated to provide ultraviolet light resistance. DuPont requires that the DuPont Tyvek Fluid pplied W, DuPont Tyvek Fluid pplied Flashing and Joint Treatment ompound, and DuPont Tyvek Fluid pplied rush Formulation are to be covered within 9 months of installation. DuPont FlexWrap NF and StraightFlash flashing products are made from a synthetic rubber adhesive and a top sheet of flash spunbonded high density polyethylene fibers. dditives have been incorporated into these materials to help provide UV light resistance. DuPont requires that DuPont FlexWrap NF and StraightFlash be covered within 9 months of installation. Warning DuPont Tyvek Fluid pplied products should be used only as directed. void contact with eyes and skin, gloves are recommended. First id: Eye & Skin ontact; Wash thoroughly with water. If irritation persists, contact a physician. KEEP OUT OF REH OF HILDREN. DuPont FlexWrap NF and DuPont StraightFlash products and their release paper are slippery and should not be walked on. Remove release paper from work area immediately. DuPont FlexWrap NF and DuPont StraightFlash will melt at temperatures greater than 250 F (121 ). DuPont self-adhered flashing products are combustible and should be protected from flame and other high heat sources. If burning occurs, ignited droplets may fall away from the point of ignition. For more information, call Tyvek. Note When installed in conjunction with other building materials, DuPont Tyvek Fluid pplied products must be properly integrated so that water is diverted to the exterior of the wall system. DuPont Tyvek Fluid pplied W is a secondary weather barrier. The outer facade is the primary barrier. Do not install on a wall that does not feature a continuous path for moisture drainage. ny standing water must be allowed to drain off the membrane. You must follow facade manufacturer s installation and maintenance requirements for all facade systems in order to maintain water holdout properties and ensure performance of Tyvek Fluid pplied W. Use of additives, coatings or cleansers on or in the facade system may impact the performance of Tyvek Fluid pplied products. Tyvek Fluid pplied W is to be used as outlined in this installation guideline. Tyvek Fluid pplied flashing products and DuPont self-adhered flashing products should only be used to seal penetrations and flash openings in houses or buildings. DuPont Tyvek Fluid pplied Products must not come in contact with building wrap products due to potential impact on performance properties. Tyvek Fluid pplied products are not to be used in roofing applications. For superior protection against bulk water penetration, DuPont suggests a system combining a quality exterior facade, a good secondary weather barrier and exterior sheathing, high quality windows and doors, and appropriate flashing materials paying attention to proper installation of each component. Depending on job site conditions, it is possible that stains may appear, but will not alter performance of the fluid applied product. DuPont believes this information to be reliable and accurate. The information may be subject to revision as additional experience and knowledge is gained. It is the user s responsibility to determine the proper construction materials needed. For complete warranty information please call Tyvek. This information is not intended to be used by others for advertising, promotion, or other publication for commercial purposes. For more information about DuPont Weatherization Systems, please call Tyvek or visit us at opyright 2014 E.I. du Pont de Nemours and ompany. ll rights reserved. The DuPont Oval Logo, DuPont, Tyvek, ommercialwrap, FlexWrap, and StraightFlash are registered trademarks or trademarks of DuPont or its affiliates. ll rights reserved. K /14