Modified Bitumen Roof On Concrete Deck

The modified bitumen roofing system consists of six foundational elements.

Modified bitumen roof on concrete deck.

Gaf conventional built up roof system for concrete decks. Gaf ruberoid modified bitumen roof systems for cementitious wood fiber decks. Topside pressure relief is also suggested. Gaf ruberoid modified bitumen roof systems for gypsum decks.

Epdm roof membrane 90 mil fully adhered membrane only 0 56 lbs. The pedestal system consists of 7 standard pieces and user supplied recommended schedule 3034 4 215 diameter pvc pipe. Steel decks wood decks concrete decks lightweight insulating concrete decks and cementitious structural wood fiber decks. Certainteed modified bitumen roof system over concrete decks.

Certainteed conventional built up roof system over concrete decks. Trade names of products manufactured or labeled by applicant. Ice and water shield self adhering. Gypsum roof board 1 2 inch thick.

Modified bitumen 2 ply membrane. The tile tech pedestal system is designed for concrete pavers to lay level over a built up roof. Modified bitumen roofing membranes 5 the deck must be completely dry. 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 app sbs deck type. When lightweight insulating concrete is poured over a galvanized metal deck the metal deck should be perforated to provide underside venting. Dibiten will not be responsible for leaks resulting from splits in the roof membrane which are caused by cracking of the gypsum or light weight insulating concrete deck regardless of the causes of the deck cracking. Consult a professional to determine if a vapour retarder is a necessary component for your roofing system.

Lightweight concrete 82 5 psf. There are a number of structural roof deck types. The substrate can be either concrete or wood structure with a roof membrane over the top. Gaf ruberoid modified bitumen roof systems for wood decks.