1. Describe the construction of UNDERLAYMENT-grade plywood. How is it used in floor construction?
2. A single-layer floor system is used to support a floor dead load of 10 psf and a floor live load of 75 psf. Panels with a span rating of 16 in. will be used to span between floor joists that are 16 in. o.c.
Find:
a. Is an APA nonveneer panel able to support these loads, or is a plywood panel necessary?
b. What are the advantages of field-gluing floor panels to the framing members before they are nailed in place?
c. What is meant by nail popping, and how is the problem minimized?