Caulking Wood Siding Before Painting

Is the old caulking removed before new coats are applied.

Caulking wood siding before painting.

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. The different kinds of caulking for your home. Caulk should dry before painting over it otherwise it can cause new paint to crack and warp.

The nails holding up the siding should not be caulked. Work efficiently by following each step. Don t caulk the horizontal joints on siding where the siding courses overlap. There are several different types of caulking on the market.

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. Let the caulk cure for a few days before power washing the exterior. 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. 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 places on the exterior of the house that need careful caulking before painting would be the fascia board joints of the overhang. Before beginning a do it yourself painting project learn the proper preparation procedures or you may end up making the job harder than necessary. This can cost hundreds to thousands of dollars to eradicate. Some specialty caulks may need a primer before paint is applied but most caulking is paintable.

Also any butt joints and joints at the peak of diagonal fascia boards. The next place would be the soffits or the plywood underneath. Similar to paint previous coats of. Scrape away any peeling paint adjacent to the caulked areas.

If doing so exposes bare wood recaulk all cracks between any two nonmoving materials.