Wet Plywood Under Siding

Using 2 inch siding nails attach the new wood piece.

Wet plywood under siding.

My husband and i bought a home a little over 3 months ago and have discovered moisture inside one of our closets which has started mold growth on an east facing outer wall that gets sun until about 1 2pm. The wood that goes under residential siding exterior sheathing performs several functions. Builders often call the siding t1 11 which refers to its design. The best choice depends primarily on the intended use but budget can also be a consideration.

The nails should be placed into each of the individual wall studs. We took the drywall and insulation off about 2 feet from the floor and found that the plywood was wet as well. It also provides a. Cdx plywood a stock item at most lumberyards is a utility grade suitable for most outdoor.

Exterior siding plywood comes in 3 8 and 5 8 inch thick sheets with a variety of surface patterns. Exterior plywood came on the scene in 1934 with the development of a waterproof adhesive. Plywood underlayment is a thin plywood material that is most commonly used under resilient flooring materials such as vinyl and linoleum sheets and tiles. Place the new wood piece under the lower edge of the blank in the upper plank.

This isn t just a stucco crisis. Today builders can choose from several types of exterior plywood. It can also be used under hardwood laminate and carpet but this is much less common these days because subflooring is typically smooth enough for these materials many of which are installed with a different type of underlayment or pad. Hopefully they put a water barrier over the wood sheathing before putting on the vinyl otherwise it is quite likely that you do have some rot under there because lap type siding is a water shedding layer not by any means waterproof so there is a limited amount of water that gets behind it especially in windy rainstorms and that has to be.

While it s true that some types of siding are more forgiving than others vinyl siding is the safest siding while stucco and adhered manufactured stone are the riskiest choosing the right siding won t be enough to keep you out of trouble especially if your windows aren t flashed properly.