How To Seal Cracks In Cedar Siding

If the entire exterior needs to be refinished wash all the siding down with wood surface cleaner.

How to seal cracks in cedar siding.

Repairing minor defects in cedar siding step 1 use a putty knife to apply exterior wood putty to smaller cracks or holes in siding. Paint works well over it. Use long horizontal strokes with the block instead of short vertical strokes. Seal small cracks and gaps in your siding under 1 4 inch wide using an acrylic latex caulk.

This way you can completely seal the cedar front to back top to bottom and around all edges. Sand the surface of the siding at the area of the crack with a sanding block. After it sets examine the crack and if. When to seal cedar siding for best results seal before applying the siding to the wall.

Sand 3 inches past the end of the crack. Simply apply this inexpensive filler into the cracks to seal. Avoid polyurethane finishes as they can trap moisture below the surface of cedar. Refinish the siding if just the repaired portion needs refinishing apply a deep penetrating wood stain in the color of your choice.

A full seal is important because any space that is missing sealant is more susceptible to water damage and chemical bleeding.