Flat Plywood Roof

Step 3 sheathe with plywood photo by russell kaye.

Flat plywood roof. In roofing plywood can be used as roof decking. It adds proven performance and durability to new homes room additions and renovations. In roofing plywood can be used as roof decking. Let s say that your roof has a total of 1 500 square feet.

Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. Sheathing sizes osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load. This is not possible without a new plywood deck. The new flat roof surface transforms the normally useless space on flat roofs to a usable walk on roof deck.

Most roofs will be sheathed in plywood at least 3 8 inch thick. Roof decking is the material that lies on top of the main roofing structure and the underlayment and roof covering is applied on top. In this case you need 47 sheets rounded off from 46 88. No special equipment or skills are necessary.

To prevent water from pooling and eventually invading the home flat roofs are always built on a slight incline at least 1 8 inch per foot. The average range for a 1 500 sq ft. Many slope in several directions like squashed hip roofs toward scupper holes that connect to downspouts. Divide that by 32 the square footage of each 4 8 plywood sheet.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. A roof that lays practically flat will have a much heavier load than a steeper roof that allows rain snow and ice to roll right off. Is polyvinyl chloride pvc single ply membrane which costs between 350 750 a square 100 sq ft on average. Designed and fully capable of heavy commercial foot traffic with no damage.

Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light commercial construction and every piece meets the highest grading standards for strength and appearance. Here at roofing superstore we have a range of plywood boards that can be used for your project. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. Loads will vary with the pitch of the roof.