Step 1 inspect the hardieplank siding on the exterior of your home for loose boards which will leave your house open to weather and insect damage.
How to repair james hardy siding.
Proper hardie plank siding maintenance.
From the ends of the plank.
You can use a soft cloth or a brush to clean the planks in the direction they run.
Wherever hardie siding meets a trim board the company recommends you leave a 1 8 gap between the siding and the trim and apply a 3 8 bead of approved caulking to protect and seal the edge of the 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.
Acid and high pressure washing can damage the fiber cement surface and is not recommended.
James hardie recommends a backer rod be placed rod be placed into hole and sealed to prevent water infiltration.
That has been created by scaffold anchors pipe etc.
Pinning the plank down at the bottom edge is a common practice called pin back.
Sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and create an easy grip surface.
A low pressure water spray and a soft medium bristle non metal siding cleaning brush is most suitable for cleaning fiber cement products.
Step 2 slide a paint scraper against the surface of the loose boards in a back and forth motion while applying slight pressure.
Dent chips cracks and other minor surface damage in james hardie primed siding and trim products can be filled with cementitious patching compound except on colorplus.
When repairing holes of less than 1 in.
Fasteners shall be installed between 1 in.
Use a 4 foot level to check and then hammer in another nail.
Trim trees and other plants away from your home.
Then hammer away on the rest of the board.
Clean dirt and other debris off the outside of your house with a garden hose once or twice a year.
Clean james hardie colorplus products by using water and a soft brush or cloth.
How to patch hardieplank.
Brush away any chipped paint small loose pieces of siding or anything else that mars the plane of the siding.
From the top edge and no closer than 3 8 in.
Don t use a high pressure power washer to get the job done as it turns out a low pressure hose and a soft medium bristle nonmetal brush is the best way to remove dirt and debris from james hardie siding and trim.