Roofing Ply Thickness

Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.

Roofing ply thickness.

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. Sheathing should be a minimum of 19 32 inch thick. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

When this is the case experts recommend a 5 8 inch thick sheet. What are the available thicknesses and types of epdm single ply membrane. Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.

Foot and with a maximum of spacing of 16 inches between rafters. Never attach roof sheathing with staples. Manufactures and markets a full line of low slope commercial roofing materials. Experience the total owens corning roofing system and high quality roofing shingles.

Steeper rather than flatter roofs will have lesser load per sq. June 3 2018 epdm membrane is manufactured in various thicknesses 045 to 090 thick and is available as a non reinforced or reinforced sheet depending upon application. You can get plywood sheets with a length of up to 10 feet. The typical thickness range for sheathing is 3 8 to 3 4 inch.

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. You might be tempted to choose a inch thickness although it s unnecessary in most cases. Please contact us if you have any queries by clicking here. This kind of plywood can be used on roofs with minimal load.

Use our table below to compare membrane thickness and weight for our range of flat roofing. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Owens corning produces high quality asphalt coating asphalt sealants and adhesives for asphalt shingles. Other thicknesses are also available for use in non roofing applications as a special order.

Keep in mind that the load of the roof still plays a role in the plywood thickness. We have just completed a new finished goods warehouse in bridgeport and will be closing the warehouse in saginaw this summer. The standard width is 4 feet. Let owens corning help you determine when it is time for a new roof and then let us help you choose the shingles for your roof that are right for you.

A flatter roof with rafters farther apart may need a thickness of up to inch. We can even help you find a professional to install it. You can return to viewing our roofing products by clicking on the below titles.