Roof Decking And Roof Covering Difference

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.

Roof decking and roof covering difference.

Roof systems typically fail when winds produce forces greater than the roof s strength. 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. Roof coverings as materials systems or fasteners can be weakened from extensive corrosion. Hail damage and hold up well under normal construction and maintenance foot traffic while stiffening and stabilizing roof decks.

Wood shingle are expensive so when these roofs need to be torn off and replaced it is cheaper to resheath the entire roof and go over it. Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood. Roofs can also fail if punctured by wind borne debris. How vinyl waterproof decking benefits roof decks.

The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. If you know what wall decking is roof decking is similar but generally made from thicker and stronger materials than your wall.