Plywood Roof Sheathing Which Side Up

The common grade of plywood for roof sheathing is cdx.

Plywood roof sheathing which side up.

One side is usually better quality than the other c in this case. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance. It adds proven performance and durability to new homes room additions and renovations. Most roofs will be sheathed in plywood at least 3 8 inch thick.

The protection of the shingles isn t likely to be enough to prevent the plywood from becoming warped and delaminated over time. The textured side can go up to give. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. You just have to keep the shiny side face down.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Roof sheathing materials plywood. Find plywood sheathing plywood at lowe s today. It s stronger costs less per sheet and there is no directional grain as in plywood to consider when spanning rafters.

A is smooth and knot free while d the lowest quality has missing knots and cracks. It is only manufactured to hold up to water for a short period of time. Basically plywood or osb sheathing with a thin aluminum facing on one side radiant barrier sheathing installs like any other roof sheathing. It should be placed up on the roof.

How to correctly install plywood or osb roof sheathing. Osb has a slick side and a textured side. You might wonder why the shiny side facing down wouldn t just reflect heat back into the attic. As a quick primer in plywood each side is rated from a to d.