Use only completely acrylic paint and apply with rollers.
Patching cement board siding.
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.
Using a stiff brush mix the patch material specifically intended for fiber cement following the manufacturer s directions carefully.
Refer to manufacturer recommendations for products that are compatible with fiber cement.
0 312 in x 8 25 in x 144 in hardieplank primed woodgrain lap fiber cement siding panel.
The cement basis of the product dictates the use of thin set mortar to properly repair cracks or holes.
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.
Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.
Patching fiber cement siding.
Dip a soft bristle brush into the solution then scrub the cracked area of fiber cement siding to remove dirt and debris.
Though it is a tough wearing product the surface of the siding can sometimes be damaged during installation by unusual wear or by impact.
Make sure that the siding is completely dry from the washing and that the caulk and patches are dry too.
Put on a pair of rubber gloves.
If you are removing more than one level of siding in an area start at the bottom and work your way up.
If its blind nailed you can usually stick a couple of wood shims under the next clap to give you a bit of clearance.
Finally now that your siding is clean and renewed it s ready to paint.
The e cut blade works great for cuting out the nails.
Depending on the size of your house you may need a ladder to reach the area of siding near the roof.
Remove the nails and countersink any nubs that might prevent your new siding from sliding up under the old.
Fein multimaster is excellent for this.
This will allow the patching compound to lock in behind the cement board.
Rinse the siding with clean water to remove the soapy residue.
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.
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.
Use wood shims to hold the top board away from the wall while you continue to remove nails along the length.
Use the carbide grit blade to cut out the bulk of the clap.
Use only as much water as the manufacturer recommends.
