Roof Protection Board Thickness

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Roof protection board thickness. Protection course waterproofing protection. This durable extruded polystyrene xps board has the compressive strength and impact resistance to withstand even the toughest load pressures. Description protection course is a multi ply semi rigid core composed of a mineral fortified asphalt core formed between two outside layers of asphalt impregnated reinforced mats manufactured in accordance with astm d 6506. Composite boards composite boards utilizing polyisocyanurate as the base insulation are also common.
Densdeck and densdeck prime cover board are non structural glass mat faced roof boards that feature a non combustible water resistant and silicone treated gypsum core panel. These boards are offered for the combination of properties that they can provide in certain situations. While protectoboard can be used as an overlay board in a conventional roof system it also can be applied as a protection board in the waterproofing of bridge and podium decks vertical walls and parking garages. Gypsum core panels provide superior fire resistance and protection from hail damage and hold up well under normal construction and maintenance foot traffic while stiffening and.
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. Meets the requirements of astm c 1177. The boards are manufactured in standard sizes of 4 feet by 8 feet and an average thickness of 3 8 inch. Fm class 1 for fire barrier requirements and ul class a unlimited slope with excellent surface burning characteristics.
Cover boards can add strength and protection to a roofing system enhancing the system s long term performance. Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives. Protectoboard is a versatile asphaltic cover board composed of a mineral fortified asphalt core between two layers of high strength reinforcing fiberglass mat. Greenguard pb4 waterproofing protection board after the waterproofing membrane is applied to the foundation protect it from damage during backfilling with pb4 waterproofing protection board.
2 5 r value per of thickness.