How To Repair Hardie Siding

Blind nail the fiber cement siding in place starting with the bottom piece.

How to repair hardie siding. Watch this graphic depiction of the removal and replacement of hardboard siding. Refer to manufacturer recommendations for products that are compatible with fiber cement. Dip a soft bristle brush into the solution then scrub the cracked area of fiber cement siding to remove dirt and debris. Put on a pair of rubber gloves.

Then head to your local building supply store and grab your supplies. You can easily fix it by cleaning it and then using caulk to patch the gap. Face nail the top piece of fiber cement siding through the old siding. Acid and high pressure washing can damage the fiber cement surface and is not recommended.

Acrylic mortar compound can be found at most home improvement retailers and hardware stores under various brand and trade names. A low pressure water spray and a soft medium bristle non metal siding cleaning brush is most suitable for cleaning fiber cement products. Dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound. Remove any nails from the top piece of good siding.

Here s the trickiest part about this whole process. Placing the new piece of hardie board is just as simple as the demo. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Rinse the siding with clean water to remove the soapy residue.

Use a pry bar to remove the damaged siding. Clean james hardie colorplus products by using water and a soft brush or cloth. The james hardie company makers of hardieplank recommends the use of a cement patch product made of an acrylic mortar compound for patching their siding products. Hardie board siding usually cracks due to poor installation.

To remove and replace damaged siding. While hardie board is an amazing product it also breaks a little too easily. You ll need to measure the length of the boards you ll be replacing.