Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.
Board under roof tiles.
It is applied under all other roofing materials as an added layer of protection from severe weather.
Roof tiles slates.
Densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix.
The attic must be ventilated to protect the roofing system against excessive heat in summer and warm moist air generated by the house in winter.
Roofing underlayment is a water resistant or waterproof barrier material that is installed directly onto your roof deck.
Also known as a fascia.
R values 28 tested in accordance with astm c518 spannings.
It s usually a peel and stick product that adheres directly to the roof deck.
Now i have a fully covered roof with gutter system over my deck just like the rest of my house and it is enclosed on 3 sides.
There are three main types of roofing underlayment.
Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile.
The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet.
4 5 bullet.
Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves.
Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.
1 4 dens deck roof board.
Felt roof cold normally a two or three layers system for boarded flat roofs using cold applied adhesive.
The polymer modified thin set provides additional strength and helps eliminate any movement between the backer board and the subfloor.
This provides a solid surface under the tile that prevents flexing that could lead to cracking.
The space under the roof.
This is a distinct advantage over plywood and drywall.
Roof deck is the roofing material that sits on top of the roof trusses.
Roof edge or eaves edge all the boards running along the edge of the roof or eaves.
All roof tiles slates.
This would normally be fixed under the batten down the gable end leaving a gap you can then mortar fill in between the roof covering and the board.
