Tapered Roof Insulation
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.
Tapered roof insulation. Acfoam tapered roof insulation helps prevent material waste reduces the roof profile and reduces fastening costs. It is environmentally friendly contains no harsh substances and is made primarily with recycled and or reclaimed materials. Designing an effective tapered insulation system is crucial in assuring this success. 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.
Iecc commentary indicates exception 1 applies to tapered insulation systems. Tapered roofing insulation insulfoam i vii ii ix xiv and xv. Insulfoam taper is cut from the same high quality eps as our flat insulroof products and meets or exceeds the. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.
Insulfoam taper is an engineered insulation consisting of a superior closed cell lightweight expanded polystyrene eps. Reference for tapered insulation design. The key to successful tapered insulation design is doing the necessary. The added thickness to produce slope to drain is a positive factor in today s energy conscious society.
Carlisle s tapered insulation helps promote rooftop drainage while providing excellent insulating value. Flat tapered eps roofing insulation. Tapered acfoam ii product description. 2015 iecc code and commentary tapered insulation the exception to this section permits a roof that is continuously insulated to have areas that do not meet the required r values provided that the area weighted values are.
To drain and insulate dead level roof decks. Designed to provide positive drainage of water. The roof consists of pre designed pieces of expanded polystyrene having a slope of 1 8 3 16 or 1 4 per foot as required. Tapered acfoam ii is offered in a variety of slopes to achieve positive drainage as well as long term thermal resistance lttr.
It is generally accepted that the principle of getting water off of the roof will enhance the long term performance of the roof system. Tapered polyiso minimizes the negative effects of ponding water and extends the service life of a roof. Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.