MIN OFFICE 7616 Lee Highway Chattanooga, TN 37421 Phone: 423-892-8620 Fax: 423-892-2107 Toll Free: 800-262-6669 RPI PRODUCTS, INC. Email: rpicurbs@comcast.net Visit us on the web at www.rpicurbs.com WEST COST 203 South 57 th Drive Phoenix, Z 85043 Phone: 602-442-8353 Fax: 602-442-8494 Toll Free: 866-500-8353 TYPICL INSTLLTION INSTRUCTIONS non-canted and RPC-2 canted insulated structural Roof Curbs Model is designed to be installed directly to the structural supports of your roof. However, it can also be installed on top of the. It is recommended for either modified bitumen built up or single ply membrane roofs. This makes it the most widely used type of pre-fabricated roof curb for conventional (non-pre engineered metal building) roof applications. Model RPC-2 is designed for installation on wood decks. Typical installation examples, calculations and roof curb details: 1. ttachment details when roof curb is directly attached to the structure. (fig. 1, 2, 3 & 4) 2. Roof Curb is installed directly to angle framing or bar joist (fig. 5 & 5) 3. Roof Curb is installed on top of ing (fig. 6 & 6) 4. RPC-2 installed on wood decking. (fig. 7) 5. Model typical construction details. (fig. 8) 6. Cantilevered roof curb calculations. (fig. 9) 7. Wind force calculations. (fig. 10) NOTE: When installing roof curbs in between bar joists on top of metal decking weight loads must be considered. Deck may require support framing (option supplied by Roof Products, Inc.). (fig. 11) NOTE: In the event of local code requirements, seismic applications, and special loading conditions such as horizontal thrust produced by skylights, etc., please call Roof Products, Inc. for additional recommendations. Sample Installation for RPM-1 Metal uilding Roof Curb. Model RPM-1 is the most versatile metal building roof curb. Model RPM-1 is a one-piece style supplied with loose rib caps. It can be installed over/over, under/over, and under/under the metal building roof panel. 1. Over/Over installation sample. (fig. 12) Roof Products, Inc. offers several styles of roof curbs for pre-engineered metal buildings. Please call with your requirements for the proper roof curb style and installation instructions.
SECTION VIEW SECTION VIEW DECK (TYP.) 1/8" 2-12 SELF DRILLING TEK SCREW OR OLT WITH WSHER ND LOCK NUT NGLE FRMING OR S NGLE FRMING OR S FIGURE 1 FIGURE 2 WELDED TO NGLE FRMING OR S MECHNICLLY FSTENED TO NGLE FRMING OR S SECTION VIEW RPC-2 SECTION VIEW RMSET USE: 1" MIN. LENGTH DRIVE PINS.300 Head Dia. W/ 7/8" Washer, @ THROUGH FLNGE FLNGE CONCRETE DECK (TYP.) GLULM EM MIN. #10 X 3/4" SCREW T 3/4" PLYWOOD DECK FIGURE 3 FIGURE 4 MECHNICLLY FSTENED TO CONCRETE DECK INSTLLED ON WOOD DECK
STRUCTURL INSTLLTION ON NGLES ETWEEN S SHEET SCREW OR WELD METL DECK TO FLNGE T SHEET SCREW OR WELD METL DECK TO FLNGE T METL DECK SECT. - FLNGE SUPPORTING METL DECK FLNGE (TYP.) NGLE SECT. - SUPPORTED Y NGLE REINFORCING NGLE Optional RPFS-1 Flute Support I. D. I. D. SPCING (TYP.) NGLE FLNGE * OPTIONL SECT. - FIGURE 5 * Only 2 reinforcing angles are required between bar joists. STRUCTURL INSTLLTION WHEN SPNNING S SHEET SCREW OR WELD METL DECK TO FLNGE T SECT. - SHEET SCREW OR WELD METL DECK TO FLNGE T FLNGE SECT. - METL DECK FLNGE * OPTIONL SECT. - Optional RPFS-1 Flute Support FIGURE 5 * NO REINFORCING NGLES RE REQUIRED WHEN IS SPNNING S
STRUCTURL INSTLLTION ON TOP OF METL DECK WITH NGLES ETWEEN S SHEET SCREW FLNGE TO TOP OF METL DECK WITH #10 X 3/4" SELF DRILLING TEK SCREWS T METL DECK SECT. - R JOIST SHEET SCREW FLNGE TO TOP OF METL DECK WITH #10 X 3/4" SELF DRILLING TEK SCREWS T SECT. - METL DECK FIGURE 6 * Only 2 reinforcing angles are required between bar joists. STRUCTURL INSTLLTION ON TOP OF METL DECK WHEN SPNNING S SHEET SCREW FLNGE TO TOP OF METL DECK WITH #10 X 3/4" SELF DRILLING TEK SCREWS T Metal Roof Deck METL DECK SECT. - SHEET SCREW FLNGE TO TOP OF METL DECK WITH #10 X 3/4" SELF DRILLING TEK SCREWS T SECT. - METL DECK FIGURE 6 *NO REINFORCING NGLES RE REQUIRED WHEN IS SPNNING S
INSTLLTION INSTRUCTIONS FOR RPC-2 STRUCTURL NOM 2X2 NILER P.T. MIN. #10 X 3/4" SCREW T MIN. #10 X 3/4" SCREW T 3/4" PLYWOOD DECK 3/4" PLYWOOD DECK SECT. - 1" FLNGE PLYWOOD DECK (TYP.) GLULM EM 96" O.C. SECT. - RPC-2 FIGURE 7
FIGURE 8
CNTILEVER CLCULTIONS OVER MINIMUM OF TWO S DIMENSIONS: 80" X 156" WEIGHT: 2650# METL DECK THE FETURES FCTORY INSTLLED NGLE REINFORCING 24" O.C. (TYP.) FIGURE 9 TTCH METL DECK TO WITH SELF DRILLING TEK SCREWS OR TCK WELDING T PUDDLE WELD TO S METL DECK TO E INSTLLED OVER FLNGE 40.5' 7 = 5' 9-1/2" 33#LL 79#D LOD 102 PLF 6 PLF 108 PLF uniform W = 108#/FT. RTU WT. END WT. 327# D+S 1(10) = 1(28) = R = 10 28 38 PLF 38(6.67) 2 P C = 200# P TOT = 327# = 126.7# 3.42' 5.79' 3.79' V = 777# M = 1863# V = 736# M = 2015# STITCH WELD SE M = 8258# V = 2753# L P 2015 ( ) 2 2 736 + =.06 +.07 =.13 < 1.0 OK 8258 ( 2753 ) 2015 2 + OR ( 9508 ) 1/8 1-1/2@12 736 2753 ( ) OR 2 =.04 +.07 =.11 < 1.0 OK 1/8 1-1/2@12 ENNETT & PLESS INCORPORTED DTE 2-20-92
1 WIND FORCE 20 UPLIFT FORCE RE = 4' X 8' = 32 SQ. FT. UPLIFT LOD TOTL = WT OF UNIT #/ ' (.7)(20) = 14#/ ' (32SQ.FT.)(14#/SQ. FT.) = 448# 150# JOIST TOTL UPLIFT= 298# JOIST ttached @ 12"O.C. (TYP.) W/#12 TEK Screws Total 16 Screws (oth Sides) pprx. 8' pprx. 4' 2 UPLIFT FORCE T TTCHMENT P = 298 = 18.6# 16 TTCHED W/ #12 TEK SCREWS LLOWLE TENSION LOD / SCREW = 325# > 18.6# UNIT OK FOR UPLIFT SME LOD / SCREW FOR 5' X 6' UNIT UNIT OK FOR UPLIFT FIGURE 10 25 MR. 1994
* SUPPORT FRMING (WHERE REQUIRED) ON TOP OF METL DECK; DESIGNED TO PROVIDE IMPOSED LOD S REQUIRED WHEN ETWEEN TWO STRUCTURL MEMERS. THICKNESS OF SUPPORT FRMING VRIES DEPENDING ON WEIGHTS. CLCULTIONS RE VILLE UPON REQUEST WHEN SUPPLIED Y PRODUCTS, INC.. * OPTIONL SUPPORT FRMING Y PRODUCTS, INC. DECK TTCH SUPPORT FRMING TO METL DECK WITH SELF DRILLING TEK SCREWS OR WELD T ELEVTION ING PLYS FIER CNT @.U. 8" MIN. INSULTION * IF SPNS MIN. OF (2) S NO SUPPORT FRMING IS REQUIRED. TCK WELD OR #10, 3/4" TEK SCREW TO STRUCTURE & DECK @ 12" TO 18" O.C. (TYP.) ISOMETRIC & DETIL FOR PREFRICTED TO E INSTLLED ON NEW OR EXISTING DECK. FIGURE 11
RPM-1 (ONE PIECE, WITH LOOSE RIS) METL LDG. INSTLLTION FOR OVER-OVER R & SSR PNELS ON NEW CONSTRUCTION (1) Place and position long supports 6" beyond purlins. ttach downslope and diverter support to long support. Minimum of 2 parallel supports required. (Do not attach long supports to structure.) (2) ttach Roof Panels Downslope Support Long Support Channel (3) Make roof cut-out to curb outside dimensions plus 6" on ridge side, and 1 1/2" on eave side. Roof Curb Up Slope Up Slope Down Slope Diverter Support Purlin Roof Panel 2 1/2" Triple ead Sealant Tape on ottom of Curb Flange (7) ttach loose panel ribs with compatible fasteners. pply even bead of Tube Caulk to full perimeter of Roof Curb and Loose Panel Ribs. Loose Panel Rib Sheet Screw (4) Notch roof curb to allow curb to sit in the flat of panel. (5) Turn Roof curb upside down then apply 2 1/2" Triple ead Sealant Tape to full perimeter of Roof Curb Flange. (6) ttach curb to roof panel with screws spaced no more than 4" o.c. SHEET SCREW 2 1/2" SELNT TPE 2 1/2" Triple ead Sealant Tape on ottom of Loose Ribs PNEL TUE CULK Seal Full Perimeter With Tube Caulk FIGURE 12 SUPPORT CHNNEL DETIL T FSTENER