Rv Roof Plywood Thickness

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Rv roof plywood thickness.

Rubber tpo probably the most common material for an rv roof and actually comes in two different types. I saw no voids along any cut edges so the grade was likely ab. I used 3 8 exterior grade plywood and installed a new rubber roof over it. 8d ring shank nails should be used instead.

I can t remember the grade stamp but i know the outside plys were clear. Allow them become larger troubles as well as roofing substitute simply months from currently implies you invest 4 also 5 numbers. Welcome to my rv renovation series in my last step i removed the rest of the damaged wood now it s time to replace the roof plywood and any other damaged wood in the roof area. This is really just a rough draft of the post a collection of photos with captions.

What size plywood should you use for your roof. The typical thickness range for sheathing is 3 8 to 3 4 inch. I replaced the roof on a previous trailer because it had water damage. Normally the plywood would come 1 4 or 3 8 thickness and it gets laid down every 4 feet in sheets and is screwed down to the frame it also might be glued.

The industry offers a thickness of anywhere from 5 16 inch to inch. My rv roof leaks in several places and the roof sagged around the air conditioner. The major factor to best plywood for rv roof repair is so you with any luck do not need to pay of changing a roof covering. Look for something that s graded as exposure 1 or exterior.

Each type of rv rubber roof requires slightly different maintenance so be sure to consult your owner s manual for the proper way to care for your roof. When my new roof was going on in july 12 i took a look at some of the plywood cuts. The air conditioner mounts to a 2 x 6 piece of plywood that is supported only on one end. While surveying the damage i determined that the roof is constructed in layers including rubber material plywood and foam.

Replacing the wood is not to bad but if the supports that hold the plywood are rotted you are looking at allot of work. 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. There are several factors to consider. Sheathing should be a minimum of 19 32 inch thick.

So what size plywood should you use for your roof. Original roof was 1 4 thick with 16 joist spacing. Like a diving board. What plywood should you use for a roof.

Thickness looked to be 3 8 or metric equivalent. Never attach roof sheathing with staples. No way to tell until the plywood comes up.