what must happen if lumber is in contact with masonry? it must be pressure treated. it must be secured with…
what must happen if lumber is in contact with masonry? it must be pressure treated. it must be secured with epoxy. it must be secured with finishing nails. it must be separated by a waterproof underlayment.
Answer
Brief Explanations:
When lumber is in contact with masonry, moisture can transfer from the masonry to the lumber, causing decay. A waterproof underlayment separates them to prevent moisture - related issues. Pressure - treating is for general protection against decay and insects, not specifically for masonry contact. Epoxy and finishing nails are for securing, not for dealing with moisture transfer.
Answer:
It must be separated by a waterproof underlayment.