Roof supports. Support posts attached to fence with anchors. Figure 31-1 Supporting roof structure with fence framework. Delmar/Cengage Learning.

Transcription

1 Roof supports Support posts attached to fence with anchors Figure 31-1 Supporting roof structure with fence framework. Untitled /05/10 12:45 AM

2 Remove soffit panel. Replace soffit between joists when framing complete Joist Gusset used to hang joist from soffit Leave gap between rafter and wall Figure 31-2 Connecting roof structure to building below soffit. Untitled /05/10 12:45 AM

3 Rafters Edge beam Posts Figure 31-3 Supporting structure roof beams. Untitled /05/10 12:45 AM

4 Notched rafters Joist hanger attached to building Notched rafters A. Ridge plate Ridge plate Notched rafters Ridge plate B. Post Post C. Beam Post Figure 31-4 Roof beam at edge. Untitled /05/10 12:45 AM

5 Figure 31-5 Shed roof slopes in a single direction. Untitled /05/10 12:45 AM

6 Hold rafter to building. Use scrap of lumber to mark angle Hold rafter to beam to obtain angle for notch. A. Cut rafter and use scrap for pattern B. C. Hold rafter up to end of beam and mark notch dimensions Figure 31-6 Marking, cutting, and notching rafters. Untitled /05/10 12:45 AM

7 Figure 31-7 Gabled roof has a long peak and two sloped sections. Untitled /05/10 12:45 AM

8 Ridge plate Rafter Edge beam Post Figure 31-8 Framing gabled roof. Untitled /05/10 12:45 AM

9 Figure 31-9 Hubbed roof has a high point with several sloped sections, or facets. Untitled /05/10 12:46 AM

10 Figure Close-up showing six rafters connected to hexagonal hub. Untitled /05/10 12:46 AM

11 Roof support beam Roof support beam Post Angle bracing for stability Bolt all connections Side View Connect with lag screws or carriage bolts, drill recessed hole for head of bolt and nut Bracing Support post Post Roof support beam Angle braces for stability Plan View Figure Angle bracing of hubbed roof beams. Untitled /05/10 12:46 AM

12 Figure Open roof shade structure. Untitled /05/10 12:46 AM

13 Fasten with rustresistant fasteners Roofing material Joist Evenly space Figure Open roof connections. Untitled /05/10 12:46 AM

14 Shingle Starter course of shingles Nails covered by shingles Drip edge Fascia trim Roofing felt Sheathing Figure Shingled roof cross section. Untitled /05/10 12:46 AM

15 Trim Trim tabs off starter course Edge of roof Trim A. First course (slightly overhangs edge of roof) Starter course B. Edge of roof Trim Second course First course Edge of roof C. Trim D. Third course Second course Edge of roof Figure Shingle installation pattern. Untitled /05/10 12:46 AM

16 Nailing 2" Head lap Underlayment Wood deck 4" End lap Eaves flashing strip (if required) Metal drip edge applied over felt along rake 5-5/8" Self-sealing strip Start third course with full strip minus first tab Start second course with full strip minus 1/2 tab Start first course with full strip Starter full shingle minus 3" with tabs cut off Metal drip edge (under felt and eaves flashing) Figure Shingle roof components. Untitled /05/10 12:47 AM

17 Cut single tabs from shingles. At one end, nail through ridge vent into roof. Overlap and caulk last tab. Premanufactured ridge vent, nail to roof Leave sheathing 1" short of peak Shingles over roofing felt Drip edge Rafters Figure Shingled roof ridge treatment. Untitled /05/10 12:47 AM

18 Purlins Wood shingles Trimmed starter course Overhang 1 1/2" Rafter Fascia trim Wood shakes 18" strips of roof felt Fascia trim 36" strip of starter roof felt Rafter Figure Wood shake or shingle roof cross section. Untitled /05/10 12:47 AM

19 1 x 4 Purlin nailed flat to rafters Fascia trim Rafters Figure Purlin installation. Untitled /05/10 12:47 AM

20 1 1 / 2 " oftset How to nail shingles or shakes 1" exposure line Shingles 1 1/2" overhang 3/4" for shingles, 1" for shakes 1" Butt line 1/4" Offset joints a minimum of 1 1/2" Correct Incorrect Proper nailing Shakes 18" 2 nails each side 36" Alternate miter joints Double starter course 30-lb. roofing 1/2" felt interlays Lower course trimmed 1 1/2" overhang Figure Shake installation pattern. Untitled /05/10 12:47 AM

21 Use premitered ridge shingles/shakes overlap previous shingle/shake Double starter Sheathing or purlins Rafters Shakes or shingles Figure Shake roof ridge treatment. Untitled /05/10 12:47 AM

22 Metal sheet roofing, fasten to purlins with washer ring shank nails, nail only on ridges Seam overlap Rafters 2 4 purlins, set on edge, drill pilot holes and fasten to rafters with 40d ring shank nails Figure Metal roof installation cutaway. Untitled /05/10 12:47 AM

23 Wide rib Standing seam Figure Styles of metal roof materials. Untitled /05/10 12:47 AM

24 Metal roofing sheets Metal ridge Fascia trim Metal edge trim 2 x 4 purlins Rafters Figure Metal roof trim installation. Untitled /05/10 12:48 AM

25 Crimper tool Standing seam material with nailing clips Sheathing with roofing paper Standing seam material with nailing flange Rafters Figure Standing seam metal roof installation. Untitled /05/10 12:48 AM

26 Special nails with ring shanks, rubber collars Nail through crown Header Rafter Shaped support Panels overlap Figure Corrugated fiberglass roof cross section. Untitled /05/10 12:48 AM

27 Figure A tensile fabric structure. Untitled /05/10 12:48 AM

28 Pad eye Eye bolt Snap hook Turnbuckle D Shackle Figure Hardware typically used to install residential tensile fabric structures. Untitled /05/10 12:48 AM

29 Eyebolt through post Snap hook Turnbuckle Eyelet in fabric Fabric Min. 4 4 post Min. 4" concrete on all sides of post, slope away from post 10 tilt away from center of fabric Concrete footing 4" of crushed stone Figure Cross section of typical post installation for tensile fabric structure. Untitled /05/10 12:48 AM

30 Figure Hardware connection for tensile fabric structure showing fabric on the left, turnbuckle, two snap hoods, and eyebolt threaded through post. Untitled /05/10 12:49 AM