How To Waterproof Wood Siding

Apply an even coat.

How to waterproof wood siding.

Using sealants to waterproof 1. Paint penetrates and protects in the same way that oil does. You can find these products at a home improvement stores. Oil a clear finish is absorbed into the wood filling all pores and voids thereby displacing water that otherwise would be absorbed.

After the surface is dry give it a good sanding with rough sandpaper or with a sander to tackle any imperfections. You will need to stir frequently as you work because the. Water seal and stain. Let the wood surfaces dry completely before proceeding to the next step.

Purchase a water based wood sealer. Flip the siding over once the stain is. You ll need to remove any remaining trace of past finish before using a sealant. Oil stain is the same as oil except that a pigment is mixed into the oil.

If it s a new wood surface you can skip the cleaning process. It will be a bit on the runny side so you will. Apply the stain to the back of the siding with a 4 inch paintbrush. Before the vinyl siding is installed on the house a waterproof underlayment called house wrap must be placed on the osb to prevent water from seeping through the siding and reaching the osb.

Stir the oil base stain but avoid creating air bubbles.