How To Repair Cracked Hardie Board Siding

Hardie board siding usually cracks due to poor installation.

How to repair cracked hardie board siding.

Just the nails that will prevent the new board from sliding back into place you can either completely remove the nails or clip them off. Blind nail the fiber cement siding in place starting with the bottom piece. How to repair cracks in fiber cement siding step 1. Placing the new piece of hardie board is just as simple as the demo.

Cut the fiber cement siding to length wear approved dust protection. Scoop up some of the. Sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and. Remove any nails that still might be underneath the bottom portion of the piece above the one you removed.

Insert the tip of the caulking tube into the crack in the hardiplank. Remove any nails from the top piece of good siding. And it may take time to see it appear so you won t know right away jamie reads. Put on a pair of rubber gloves.

Apply the patch product to. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s. Step 5 draw the gun smoothly along the siding as it fills the crack. Brush away any chipped paint small loose pieces of siding or anything else that mars the plane of the siding.

Use a pry bar to remove the damaged siding. Holding the gun at a 45 degree angle squeeze the trigger to dispense the silicone. Placing your hardie board. How to patch hardieplank step 1.