It is the most visible piece of the roofline.
Separation board in roofing.
Duro last 50 mil membrane is manufactured with 28 mil of thickness on the top performance layer far exceeding industry standards as well as competitor systems with equal and even greater mil values.
All loose and protruding gravel must also be removed.
This article explains the importance of fascia and soffit boards and how to maintain the joints where they meet.
Jm 3 oz polyester slipsheet is intended for use as a separation layer between an existing roof system and a new single ply recover system.
Single ply membranes are installed either as fully adhered or mechanically attached systems depending on each roof s condition installer s preferences and other factors.
3 0 oz yd2 102 g m2 needle punched non uv resistant polyester fabric.
It usually encases lights and internal gutter systems.
Trim the boards to fit as needed.
Roof membrane available in 40 50 and 60 mil thickness.
A cover board provides separation between a roof cover and insulation that may not be compatible or the attachment adhesive of the roof membrane is not compatible with the insulation.
Properly installed energyguard perlite roof insulation is suitable for use under built up and modified bitumen roofing.
In addition national roofing contractors association nrca has issued bulletins over the years recommending the use of cover boards to minimize damage to polyiso.
Below the fascia is the soffit that face downward.
Most common insulation is iso or eps foam board.
Separator polyiso roof recover board typical physical properties test astm values strength tensile strength c 209 500 psf 24 kpa min compressive resistance 10 consolidation d 1621 20 psi 138 kpa min dimensional stability change length width d 2126 2 max moisture moisture vapor permeance e 96 1 perm 57 5 ng pa s m2 water absorption c 209 1 0 max.
Underneath the membrane there is usually a separation barrier and or some sort of insulation board.
Insert a plate every 2.
Only product in the marketplace to offer prefabrication of the entire roofing system.
To prevent blistering with built up roof membranes bur and to provide a separation layer and flat surface in re cover situations.
Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks.
Numerous studies show the value of cover boards in enhancing a roof cover s ability to resist damage by hail.
Cover boards have historically had two uses.
It is also widely used as a separation board over existing roofs in re cover installations.
The fascia is the board along the bottom of a roof that faces outward.
In re cover applications all wet areas of the old roof must be removed.
