I've just done this to my deck, and removed all of the rotten wood around some of the screws, which of course left big holes. I tried several different two-part putties, but BONDO was the easiest, strongest and cheapest.
The screws that hold down decking can loosen up over time. I favor exposed screws when aesthetically feasible, and I make it a plan to return after a year or two and tighten down the decking Figure 10 . Even kiln-dried hardwood decking boards usually shrink by 1/32 inch to 1/16 inch in thickness after the first hot summer.
I want to attach these clapboards with countersunk deck screws. caulk as the stain in the screw hole. screw is what is attaching the clapboard to. get detailed info Which sealant for screw holes, 4200, Boat Life Caulk or.
I have never heard of, nor seen, caulked screws on a deck. Use galvanized or coated deck screws and then you won't have to caulk. Your best bet against rot is to wait until the wood cures check with local supplier and is completely dry.
6 Professional Deck Builder March/April 2007 Dont Build Decks That Rot decking; even though captured organic matter may not affect the composites, it can still rot the framing below. Screws or nails fastened from above should be driven
Caulking This page is intended to be a supplement to your estimate document. Caulking is a sealant that fills gaps, cracks, nail holes, and similar imperfections on the surface.
Nail holes or screw holes for that matter should rarely be an issue in a new deck, correctly installed with two screws through each deck board into each joist.
He insists it's OK to use caulk to fill gaps we're using solid stain on the deck, and it does cover caulk. . He also wants to caulk the small gaps where the posts go down through the deck boards. I say using caulk is the sign of poor workmanship, and, frankly, I've never seen caulk on a deck.