Caulking Wood Siding Before Painting

Old caulking that has failed and allowed water to migrate behind the siding can cause wood rot decay and if left undetected mold will most likely grow in your walls.

Caulking wood siding before painting.

Scrape away any peeling paint adjacent to the caulked areas. Don t caulk the horizontal joints on siding where the siding courses overlap. Though you can prime before or after caulking under normal circumstances priming first yields better results. A common mistake is to cut off too much of the caulk tube tip leaving a hole that s way too big for most interior caulking work.

Similar to paint previous coats of. There are several different types of caulking on the market. This can cost hundreds to thousands of dollars to eradicate. Work efficiently by following each step.

Let the caulk cure for a few days before power washing the exterior. Is the old caulking removed before new coats are applied. The different kinds of caulking for your home. If doing so exposes bare wood recaulk all cracks between any two nonmoving materials.

Also any butt joints and joints at the peak of diagonal fascia boards. For caulk that will be painted over a latex caulk should be used. The next place would be the soffits or the plywood underneath. The tiny hole lets out just enough caulk to fill typical small to medium size cracks.

Particularly at the corners where they are mitered together. Caulk should dry before painting over it otherwise it can cause new paint to crack and warp. Before beginning a do it yourself painting project learn the proper preparation procedures or you may end up making the job harder than necessary. The places on the exterior of the house that need careful caulking before painting would be the fascia board joints of the overhang.

Some specialty caulks may need a primer before paint is applied but most caulking is paintable.