Gaf Roof Insulation R Value

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Gaf roof insulation r value.

The analysis was done for an assembly consisting of a steel deck two layers of polyisocyanurate foam insulation polyiso and tpo single ply membrane. This is a significant loss in economic value. Energyguard hd has an r value of 2 5 the highest of any cover board and at 11 lb. Get to know more about one of the most popular commercial roofing systems.

Roofing products commercial roofing products insulation and cover boards insulation. The lowest cost and most effective assembly in terms of r value is case 3 the adhered system. Big box type building as indicated for case 1 the mechanically attached system. Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness.

Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. Meets fm 4450 4470 and ul1256 790 263. Respectively per 4 x 8 board it s a fraction of the weight of gypsum cover boards. Energyguard polyiso insulation is designed for use over structural roof decks where r values of 5 7 or higher are required along with comprehensive ul and fm approvals.

Such roofs are generally considered to have a slope of less than 2 12. With 80 psi compressive strength and a durable coated glass facer energyguard hd is an ideal board for protecting your roof against the elements. Energyguard composite board roof insulation is designed for use over structural roof decks where r values of 7 4 or higher are required along with moderate insulation thickness for roof edge detailing and where comprehensive ul and fm approvals are necessary. Gaf is happy to share our website content with you through our free media sharing service.

Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide. When properly installed it is suitable for use under built up modified bitumen and most single ply roofing systems. The study considers the effective insu lation value r value f ft2hr btu of a common low slope roofing assembly.