
How to Fix a Loose Hardiplank Board
- Inspect the HardiePlank siding on the exterior of your home for loose boards, which will leave your house open to weather and insect damage.
- Slide a paint scraper against the surface of the loose boards in a back and forth motion while applying slight pressure.
- Shift the loose board into the correct position on the exterior of the house, and hold it in place with your hands.
- Hammer 6d nails through the bottom edge of the board that is directly above the loose siding board along the entire loose section.
Can Hardie plank siding be repaired?
This type of siding offers great durability and weather resistance, but it can be damaged by the elements over time. If you have hardie plank siding on your home or business and need to repair it, this blog post will provide information on how to fix common damages like peeling paint and broken boards in order to extend its life span.
How do you use Hardie plank patching?
Apply the patch product and paint on a day with no rain to speed drying and curing time and prevent water damage to your patch project. HardiePlank is a cement lap siding product used on commercial and residential exteriors and is designed for very low maintenance and a long useful life.
How do you fix a damaged Hardie board?
If one or more of the Hardie planks is severely damaged, the first step is to remove it completely. Pry off the plank using a pry bar or hammer and chisel until it comes loose. If you are having trouble removing the board, use a saw to cut it along the seam where it meets the adjacent boards.
How is hardieplank fastened to the home?
HardiePlank is fastened to the home by either blind nailing or face nailing. The nails are covered by the board overlap in the blind nailing method, while the nails are left exposed on the exterior of the boards in the face nailing method.

Can Hardie board be patched?
Dents, chips, cracks and other minor surface damage in Hardie® siding and trim products can be filled with cementitious patching compound.
How do you fix a hole in Hardie board siding?
Use thin-set mortar to repair cracks or holes in cement boards. Step 3: Mix up a small amount of thin-set mortar following the manufacturer's instructions. Thin-set mortar typically has a working time of less than 15 minutes, so smaller batches are the way to go.
How do you repair cement fiber siding?
2:0414:21How to repair and replace damaged siding: Hardie board, Masonite or ...YouTubeStart of suggested clipEnd of suggested clipAny caulk that might be there underneath my pry bar and gently lift that back take a wedge stick inMoreAny caulk that might be there underneath my pry bar and gently lift that back take a wedge stick in there. And just walk.
How do you fill gaps in Hardie planks?
Ugly Caulking 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.
How do you repair damaged cement board?
Use a carton knife or carbide tip tool to cut the cement board to expose a stud on either side of the damaged area. Use the knife to score and break a new piece of cement board to fit the hole. Attach the new board to the stud using corrosion-resistant screws. Predrill the holes for easier installation.
What kind of caulk do you use on Hardie board siding?
Manufacturers' Caulk and Sealant Recommendation Sheet S-100B Caulks and Sealants: James Hardie recommends the use of caulks and sealants that remain permanently flexible.
Can fiber cement siding be repaired?
Repair or Patching Fiber Cement Board Siding Refer to manufacturer recommendations for products that are compatible with fiber cement. For small areas of damage you can use a sealant/caulk (preferably one designed for cement repairs) but then you will have to paint those areas of repair to match the original color.
Do you caulk between Hardie planks?
James Hardie DOES NOT recommend using caulk or “H”-jointers for the butt joints of HardiePlank® siding with ColorPlus® technology. James Hardie also DOES NOT recommend applying caulk to the horizontal overlap between siding planks (see Figure 2).
Does caulking Hardie board void the warranty?
These such areas are called “field butt joints.” In the case of James Hardie's Color Plus siding, which has a pro-rated 15-year warranty, using caulk at field butt joints will flat out void your warranty!
Can you pressure wash Hardie board?
The manufacturer recommends that you do not pressure wash your Hardie siding. The hard spray of water from the power washer can damage the surface of the siding. In fact, pressure washing fiber cement siding is one of the only ways you can damage this durable type of siding.
Does caulking Hardie board void the warranty?
These such areas are called “field butt joints.” In the case of James Hardie's Color Plus siding, which has a pro-rated 15-year warranty, using caulk at field butt joints will flat out void your warranty!
How do you replace the bottom row of Hardie board siding?
2:0910:22How To Replace Damaged Siding | THE HANDYMAN - YouTubeYouTubeStart of suggested clipEnd of suggested clipTake your hammer little rapey from behind your pry bar. You can pry both of them at the same time.MoreTake your hammer little rapey from behind your pry bar. You can pry both of them at the same time. And you don't run out of angle.
How do you repair hardboard siding?
0:355:37Hardboard Siding Repair Made Easy - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd so in order to make this repair you just got a one of these foam paintbrushes yoghurt plasticMoreAnd so in order to make this repair you just got a one of these foam paintbrushes yoghurt plastic cup and some Elmer's carpenters wood glue that's the yellow glue.
How do you repair Masonite siding?
How to Repair Masonite Wood SidingScrape off flaking paint and debris from the damaged area using a paint scraper. ... Hammer down loose nails. ... Scoop a golf-ball sized amount of elastomeric compound out of the container with a 3-inch trowel. ... Repeat applying the compound to the area if you can still see a recess.More items...
Step 1
Brush away any chipped paint, small loose pieces of siding or anything else that mars the plane of the siding.
Step 2
Sand over the damaged area lightly but thoroughly with a medium-grit sandpaper to smooth any jagged edges and create an easy grip surface for the patch product.
Step 3
Apply the patch product to the damaged area with the flexible putty knife to fill in any indentations or holes.
Step 4
Hold the knife roughly perpendicular to the siding patch to finish the surface of the patch, and taper out the edges of the mortar patch blending it into the surrounding siding.
Step 5
Allow the patch material to dry thoroughly according to the recommendations on the product label.
Step 6
Sand the dried patch material lightly with a fine-grit sandpaper to smooth out the surface and blend the edges of the patch with the surrounding siding. Feel along the patch to identify any bumps that need to be smoothed out with further sanding.
Step 7
Wipe or brush away any of the sanding grit with a clean, dry, lint-free rag or a clean and dry brush, leaving a smooth surface.
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.
Step 2
Slide a paint scraper against the surface of the loose boards in a back and forth motion while applying slight pressure. This will remove any loose, bubbling, chipping or peeling paint that will get in the way of repositioning the loose board.
Step 3
Shift the loose board into the correct position on the exterior of the house, and hold it in place with your hands.
Step 4
Hammer 6d nails through the bottom edge of the board that is directly above the loose siding board along the entire loose section. Hammer the nails approximately 3/4-inch to 1-inch up from the bottom edge of the board that is directly above the loose siding. Space the nails 16 inches apart.
How much pressure should I use to keep siding and trim from leaking?
To minimize the chance of damaging your siding and trim use a wide fan tip, keep a minimum of 6 feet from the wall, and keep the pressure below 1500 psi. Maintaining the exterior of your home helps prevent water intrusion and is an important part of sustaining the beauty and value of your home.
What is the best way to clean siding and trim?
Extra care should be taken when cleaning your siding and trim using a pressure washer.
What is fiber cement maintenance?
As a guide, it is recommended that normal fiber cement maintenance tasks and care include: Installing gutters and downspouts on your home —if they are not already present when you purchased the home. Cleaning out your gutters, blocked pipes, and overflows of any debris, leaves, twigs and dirt.
Can you replace James Hardie siding?
It is advised to replace the damage siding with a new section of ColorPlus® siding. If your James Hardie siding was originally painted after it was installed on your home, then check the original paint manufacturer’s recommendations for reapplication of paint.
Can James Hardie siding be filled with cementitious?
Dents, chips, cracks and other minor surface damage in James Hardie siding and trim products can be filled with cementitious patching compound. Refer to manufacturer’s recommendations for products that are compatible with fiber cement.
Why is my fiber cement siding buckling?
Buckled fiber cement siding is most likely to occur because the installer failed to give the recommended gap between the ends of the fiber cement boards and abutting vertical trim at corners, windows, doors, etc. Buckling fiber cement siding may also occur if the product was not properly nailed.
Can you replace cracked siding?
You can replace the damaged sections (work with care); You could also back-flash and then simply paint the cracked siding; #N#any sealant or "patch" will "work" mechanically to seal the crack but it'll be ugly when painted.
Can fiber cement siding be sealed?
Cut ends of fiber cement siding should have been sealed using 100% acrylic latex primer or paint (Certainteed) or in some cases using an approved caulk wiped on the cut surface (see our notes on Hardieplank installation). And caulk is required at certain joints such as vertical trim at windows, doors, corners.
Can James Hardie siding be filled with cementitious?
Dents, chips, cracks and other minor surface damage in James Hardie siding and trim products can be filled with cementitious patching compound. Refer to manufacturer recommendations for products that are compatible with fiber cement.
How thick is Hardie Plank?
HardiePlank® cladding is an 8mm thick weatherboard plank, to be used as external or internal cladding for both new build and renovation projects. To complement the product, both fibre cement and metal trim profiles are available to finish corners, door and window frames.
Do you need to drill for cladding?
The cladding does not require pre-drilling and can simply be nailed or screwed to the battens. Fixings must have suitable corrosion protection for the intended application. Check with your engineer where additional consideration must be made.
