Roofing Ply Thickness

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Roofing ply thickness.

A flatter roof with rafters farther apart may need a thickness of up to inch. Minimum thickness most roofs will be sheathed in plywood at least 3 8 inch thick. The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an inch. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.

You can get plywood sheets with a length of up to 10 feet. We offer a wide range of products for your roofing needs including app sbs modified bitumen rolls bur rolls poly iso cover boards fasteners and roof coatings. Loads will vary with the. Never attach roof sheathing with staples.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Foot and with a maximum of spacing of 16 inches between rafters. 8d ring shank nails should be used instead.

You can return to viewing our roofing products by clicking on the below titles. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Keep in mind that the load of the roof still plays a role in the plywood thickness. This kind of plywood can be used on roofs with minimal load.

Owens corning produces high quality asphalt coating asphalt sealants and adhesives for asphalt shingles. Manufactures and markets a full line of low slope commercial roofing materials. The typical thickness range for sheathing is 3 8 to 3 4 inch. The standard width is 4 feet.

Sheathing should be a minimum of 19 32 inch thick. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. You might be tempted to choose a inch thickness although it s unnecessary in most cases. We can even help you find a professional to install it.

Experience the total owens corning roofing system and high quality roofing shingles. Use our table below to compare membrane thickness and weight for our range of flat roofing. What are the available thicknesses and types of epdm single ply membrane. Steeper rather than flatter roofs will have lesser load per sq.

We have just completed a new finished goods warehouse in bridgeport and will be closing the warehouse in saginaw this summer. Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems. When this is the case experts recommend a 5 8 inch thick sheet.