Caulking Wood Siding Before Painting

Is the old caulking removed before new coats are applied.

Caulking wood siding before painting.

Also any butt joints and joints at the peak of diagonal fascia boards. If doing so exposes bare wood recaulk all cracks between any two nonmoving materials. Similar to paint previous coats of. The next place would be the soffits or the plywood underneath.

Caulk should dry before painting over it otherwise it can cause new paint to crack and warp. The different kinds of caulking for your home. 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. When you re filling small cracks to prepare for painting cut the tip carefully to keep the hole tiny about 1 16 in.

Before beginning a do it yourself painting project learn the proper preparation procedures or you may end up making the job harder than necessary. 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. The nails holding up the siding should not be caulked. Don t caulk the horizontal joints on siding where the siding courses overlap.

A diyer or a novice painter might attempt to achieve a cleaner look by caulking the siding nails but the nail is guaranteed to push the caulking material out within a few months. Scrape away any peeling paint adjacent to the caulked areas. The tiny hole lets out just enough caulk to fill typical small to medium size cracks. Though you can prime before or after caulking under normal circumstances priming first yields better results.

This can cost hundreds to thousands of dollars to eradicate. Work efficiently by following each step. Particularly at the corners where they are mitered together. For caulk that will be painted over a latex caulk should be used.

There are several different types of caulking on the market.