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 siding.
If you re replacing more than one board in a run simply hammer a nail into the top corner to support it and then move half way down the board.
Nail guns are great for this we re big fans of the airstrike.
Scoop up some of the.
You can easily fix it by cleaning it and then using caulk to patch the gap.
Step 5 draw the gun smoothly along the siding as it fills the crack.
Insert the tip of the caulking tube into the crack in the hardiplank.
How to repair cracks in fiber cement siding step 1.
Put on a pair of rubber gloves.
Holding the gun at a 45 degree angle squeeze the trigger to dispense the silicone.
Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.
Be sure the top one goes through both boards.