The original installer might have accidentally installed a nail too close to the edge of the siding causing a crack.
How to repair cracked hardie board siding.
Remove any nails that still might be underneath the bottom portion of the piece above the one you removed.
Scoop up some of the.
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.
Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.
Holding the gun at a 45 degree angle squeeze the trigger to dispense the silicone.
Step 5 draw the gun smoothly along the siding as it fills the crack.
Placing your hardie board.
Blind nail the fiber cement siding in place starting with the bottom piece.
And it may take time to see it appear so you won t know right away jamie reads.
Cut the fiber cement siding to length wear approved dust protection.
Sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and.
Remove any nails from the top piece of good siding.
Placing the new piece of hardie board is just as simple as the demo.
Hardie board siding usually cracks due to poor installation.
Insert the tip of the caulking tube into the crack in the hardiplank.
Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.
Apply the patch product to.
How to patch hardieplank step 1.
Put on a pair of rubber gloves.
Use a pry bar to remove the damaged siding.