Use wood shims to hold the top board away from the wall while you continue to remove nails along the length.
Patching cement board siding.
Refer to manufacturer recommendations for products that are compatible with fiber cement.
Make sure that the siding is completely dry from the washing and that the caulk and patches are dry too.
Fiber cement siding repair or patching re applying caulking when it has begun to show signs of wear can help keep moisture from getting into the wall cavity.
Put on a pair of rubber gloves.
Use the carbide grit blade to cut out the bulk of the clap.
Remove the nails and countersink any nubs that might prevent your new siding from sliding up under the old.
For holes larger than 1 2 inch in diameter use a carton knife or carbide tipped tool to cut a v shaped groove behind the edges of hole.
Finally now that your siding is clean and renewed it s ready to paint.
This will allow the patching compound to lock in behind the cement board.
Use only as much water as the manufacturer recommends.
The cement basis of the product dictates the use of thin set mortar to properly repair cracks or holes.
0 312 in x 8 25 in x 144 in hardieplank primed woodgrain lap fiber cement siding panel.
Hardieplank is a cement lap siding product used on commercial and residential exteriors and is designed for very low maintenance and a long useful life.
Apply the patch product and paint on a day with no rain to speed drying and curing time and prevent water damage to your patch project.
The e cut blade works great for cuting out the nails.
Use a plastic putty knife to apply the patching material to the damaged area filling in the area and shaping the patch to match the original contours of the siding.
Rinse the siding with clean water to remove the soapy residue.
Using a stiff brush mix the patch material specifically intended for fiber cement following the manufacturer s directions carefully.
Repair or patching fiber cement board siding dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound.
If you are removing more than one level of siding in an area start at the bottom and work your way up.
Depending on the size of your house you may need a ladder to reach the area of siding near the roof.
Dip a soft bristle brush into the solution then scrub the cracked area of fiber cement siding to remove dirt and debris.
Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.
These areas include but not limited to penetrations flashings plank and trim connections and in some cases between plank joints.
Use only completely acrylic paint and apply with rollers.
Fein multimaster is excellent for this.
