Wood Flat Roof Detail Section

As you might imagine this is the cheapest version possible and good for covering a shed.

Wood flat roof detail section.

Time of manufacture producing mill number and the grad ing rules writing agency. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. Also known as the built up roof bur this type of flat roof features three or more layers of waterproof material mixed in an alternating fashion with hot tar and a layer of smooth stone like gravel. 4 details for conventional wood frame construction.

Job site fabricated components a majority of the construction details illustrated in this manual depict job site fabricated construction. B and the stiffness or modulus of elasticity e may be determined from the grade mark for lumber used as joists rafters and decking. Where a specific construction detail provides for a sec ondary means of waterproofing nrca now considers the use of nontreated construction grade wood to be an acceptable substitute for treated wood. Cold roof insulation between rafters wnapor barrier on warm side below orw sheatiiing roofing roofing 2 x 8 sleepers notched for vent aligned wi rafters flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. The first flat roofs in central europe wood cement roofs and early reinforced concrete. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. From there the flat roof system you choose will determine the materials you apply.

The evolution of the flat roof roofs of earth and loam archetypal forms renaissance and baroque. 100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358. Not only is no attempt made to cover the assembly of built up roofs but also the issue of single plys or elastomerics will not. The bending strength f.

Other roof protrustions sothat notiiing obstructs tiieflow ofair from eave to ridge.