Tapered Insulation Roof Detail

Tapered acfoam ii product description.

Tapered insulation roof detail.

Insulfoam taper is cut from the same high quality eps as our flat insulroof products and meets or exceeds the requirements of astm c578 standard specification for rigid cellular polystyrene thermal insulation. Insulfoam i vii ii ix xiv and xv. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system. Acfoam tapered roof insulation helps prevent material waste reduces the roof profile and reduces fastening costs.

It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2. However tapered lightweight insulating concrete should be evaluated as an alternate to tapered insulation as it may be more efficient due to the roof configuration details and location. Developing the design criteria for a roof drainage plan that will perform with the roofing system to drain the roof is critical prior to. Flat tapered eps roofing insulation insulfoam taper is an engineered insulation consisting of a superior closed cell lightweight expanded polystyrene eps.

Tapered insulation systems play a critical role in moving water off a low sloped roof and create the foundation needed for a roof system that will perform for the long term. The key to successful tapered insulation design is doing the necessary analysis of the project to confirm field conditions such as dimensions drain locations and deck slope verification for ponding water or deflection. Tapered polyiso minimizes the negative effects of ponding water and extends the service life of a roof. Tapered roof insulation from atlas roofing corporation is designed to create positive drainage with the highest r values per inch of any rigid board insulation in the industry.