Particle board in modern homes is required to be visibly marked as astm type 2 m w.
Particle board roof decking.
Carr you keep mentioning particle board.
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Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood dominated market its use for exterior sheathing is.
Probably was installed 15 years back 5 8 inch particle board roof decking.
You got bids for a new roof from two legitimate contractors and they are very close in price.
X 2 ft.
Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands.
It s cheaper and that s all.
This was installed on a detached garage.
Osb is widely used as roof decking material.
A homeowner recently wrote and asked me the following regarding osb roof decking.
Find osb sheathing osb at lowe s today.
A viable alternative to plywood this osb board is engineered to prevent any cupping warping or splitting.
Dens solutions are industry trusted high performing fiberglass mat gypsum panels suitable for your wall roof ceiling and floor projects.
Densdeck roof boards have also been tested within roofing systems for sound isolation.
Let me see if i understand your issue.
I did a search on this board and did find that at some point there was a type of particle board allowed for roof decking not sure if it is still around.
If not of a type approved for use as roof sheathing particle board strength and stability when exposed to moisture is significantly lower than that of plywood or oriented strand board osb more commonly used for this application.
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Particle board has no business being anywhere near the exterior of any building.
Roof wind damage situations i ve seen many cases where the nails came right of of the osb along with the roofing.
Dimensions oriented strand board common.
I believe you are referring to osb oriented strand board.