Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.
How to repair cracked hardie siding.
Insert the tip of the caulking tube into the crack in the hardiplank.
Looks like they have ways to repair all these hardie plank siding problems hardie board siding usually cracks due to poor installation.
Scoop up some of the.
The original installer might have accidentally installed a nail too close to the edge of the siding causing a crack.
How to repair cracks in fiber cement siding step 1.
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.
Step 5 draw the gun smoothly along the siding as it fills the crack.
Nail guns are great for this we re big fans of the airstrike.
Be sure the top one goes through both boards.
Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.
You ll want to place a nail every 12 inches top and bottom.