I hired a contractor to repaint my exterior metal railing, which had some peeling paint and some rust.  The contractor sanded it but forgot to use primer even though I had specifically said to use primer.  Instead, he just applied an exterior latex paint on the railing with no primer

I’m working on an old house, they replaced the old siding with new preprimed ceder lap siding. The carpenter told us that it would be great if we would caulk all the laps, so we did on two sides of the house. I told this to a friend at the

Would it be OK to clean with TSP on composite roof around a chimney that has stains?

Will cleaning exterior wood with a bleach solution harm the existing paint?