The modified bitumen membrane sheeting is the main element of the roofing system and it is made from an infusion of polyester fiberglass or a combination of both.
Modified bitumen roof on concrete deck.
Epdm roof membrane 90 mil fully adhered membrane only 0 56 lbs.
Gaf ruberoid modified bitumen roof systems for cementitious wood fiber decks.
Lightweight concrete 82 5 psf.
Gaf ruberoid modified bitumen roof systems for wood decks.
Steel decks wood decks concrete decks lightweight insulating concrete decks and cementitious structural wood fiber decks.
Consult a professional to determine if a vapour retarder is a necessary component for your roofing system.
Topside pressure relief is also suggested.
Table 1 product dimensions test specification product description gafglas ply 4 39 37 1 meter wide astm d2178 smooth surfaced asphaltic ply sheet reinforced with fiberglass mat.
Modified bitumen 2 ply membrane.
Modified bitumen app sbs deck type.
Multi ply sbs modified bitumen roofing lightweight insulating concrete paradiene 20 30 nvs insulation.
There are a number of structural roof deck types.
Trade names of products manufactured or labeled by applicant.
Certainteed conventional built up roof system over concrete decks.
The pedestal system consists of 7 standard pieces and user supplied recommended schedule 3034 4 215 diameter pvc pipe.
The tile tech pedestal system is designed for concrete pavers to lay level over a built up roof.
When these decks are used as a substrate for built up or modified bitumen roofing the following criteria are recommended.
Gaf conventional built up roof system for concrete decks.
The modified bitumen roofing system consists of six foundational elements.
When lightweight insulating concrete is poured over a galvanized metal deck the metal deck should be perforated to provide underside venting.
Gypsum roof board 1 2 inch thick.
Ice and water shield self adhering.
Certainteed modified bitumen roof system over concrete decks.
Gaf ruberoid modified bitumen roof systems for gypsum decks.