5 8 thickness meets the requirements of type x per astm c 1177.
Required thickness coverboard roof.
Codes exempt foam plastic insulation when used in fm 4450 or ul 1256.
When a coverboard in an approved assembly is used any thickness equal to or greater than 1 5 is acceptable.
The cover board also serves as a substrate for a vapor retarder in this application.
5 8 thickness meets the requirements of type x per astm c 1177.
It provides exceptional bond and low absorption in adhered systems and offers sustainable design for all types of roofing systems including single ply fluid applied built up spray foam metal and modified bitumen roofing.
This significantly increases the time required to melt the insulation which adds fuel to the flames.
Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives.
Meets the requirements of astm c 1177.
Fm class 1 for fire barrier requirements and ul class a unlimited slope with excellent surface burning characteristics.
1 4 6 4 mm 1 16 1 6 mm width standard.
Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives.
He is the editorial director of architectural roofing waterproofing and a technical columnist for roofing contractor.
When the total required polyiso insulation thickness is equal to or greater than 3 thickness the minimum recommended thickness is 1 5 for both.
Over the roof deck.
Securock products are available in thicknesses of 3 8 and 5 8.
4 1219 mm 1 8 3 mm.
Table 1 12 4 30 year platinum tpo requirements.
Densdeck roof boards are utilized in a wide variety of roofing systems for new and re roofing applications as gypsum roof cover boards and thermal barriers.
Fm class 1 for fire barrier requirements and ul class a unlimited slope with excellent surface burning characteristics.
Meets the requirements of astm c 1177.
Physical properties listed above are presented as typical average values as determined by accepted astm test methods and are subject to normal manufacturing.
Flame spread index of 75 and smoke development 450 meet code requirements for foam plastic roof insulation.
D annunzio is president of paragon roofing technology inc a construction engineering firm he founded in 1989.
Thickness of firestone insulation acceptable for use as an immediate substrate for firestone roof membranes in firestone red shield warranties.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.
In this application the cover board provides a fire barrier in the case of an internal fire.
