How To Seal Decking Fastners Over A Roof

Now that the roof is decked we re going to seal it against windblown rain and hurricanes.

How to seal decking fastners over a roof.

Roof sheathing or decking is one of those elements. Drip edge over the corner of the roof. This column will look at fasteners from a historical perspective since many building owners and managers have to deal with repairing or reroofing older properties at some point. Uncured epdm must be protected from uv rays which the decking will do once installed.

Another advantage of the peel and stick flashing is that it seals around the decking screws keeping the screw holes from taking on water over time as the framing expands and contracts. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. The sleepers aren t fastened in place and the floor floats.

Use uncured epdm tape to cover the nails and seal the drip edge to the roof. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Seal the drip edge. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.

We ll begin at the bottom with a six inch roll of flashing tape and fold it over the subfascia. Deck staining this is not as simple as putting a membrane roofing material which would be the best choice because this material is not meant for foot traffic. Guide a knife along it to trim the excess rubber. Valleys are taped next with two overlapping pieces of six inch tape.

How vinyl waterproof decking benefits roof decks. Flashing the tops of joists with peel and stick membrane protects them from water and seals penetrations from decking screws. It can be important to recognize what the. If you already have one of these types of roofs you could potentially cover the existing roof with pvc vinyl decking on top of a flat hard surface but you re much better off taking the roof down and starting over with a high quality vinyl decking material.