Caulking Pressboard Siding

Pay special attention to siding located near the ground and at junctures where the siding meets other building materials.

Caulking pressboard siding.

3 fit a caulking. Let the primer dry. The thing is over time the chemical treatment in the pressure treated wood dries out and the wood contracts and literally gets a tiny bit smaller since it s not now swollen with moisture. Siding caulk can be used on several different areas of your exterior siding to help prevent water damage and moisture buildup.

The caulk was still perfect in the few areas i had caulked along the siding. Brush or roll a layer of exterior primer on the flat portions of the masonite siding and use the tip of a paintbrush to work the primer into seams and crevices. However once water has penetrated hardboard siding and deterioration has begun the siding will eventually need to be replaced. Bottom of siding boards should not be caulked.

It may be possible to perform minor repairs and improve aesthetics by caulking and painting. Next look for more subtle telltale signs of deterioration problems such as discoloration rusted nails. Watch this graphic depiction of the removal and replacement of hardboard siding. The siding expands and contracts with temperature and humidity.

Water is meant to exit through the bottom of each board. Think of a wood home as a living thing. For small holes make the opening in the tube no more than 60 to 70 percent of the width of the hole in the wood. Trim the tip of the tube of caulk with a utility knife or razor blade.

Also avoid caulking tongue and groove siding boards together. Some of the most commonly caulked areas of siding include both corners and crevices as well as some butt joints and window and door trim boards. It needs to move and breathe.