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.
Full Answer
How do I repair Hardie plank siding?
The first step to repairing hardie plank siding is measuring the damage. In order to repair your hardie planks properly, you will need a good idea of how much material needs replacement in each area and approximately where on the paneling it should be added in relation to existing boards.
Is hardiplank siding durable?
Learn more... Hardiplank and other brands of cement siding are among the most durable of all siding materials. Typically made of a high-density combination of cellulose fiber, cement and sand, fiber cement siding is tough, termite-resistant, water-resistant, and non-combustible.
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 do you fix gaps in hardboard?
If there are visible gaps in hardboard, you can first tighten the boards and reduce gaps by nailing the lose boards. Use a quality exterior nail, preferably stainless steel so it does not rust.

Can hardiplank siding be repaired?
Repair or Patching Fiber Cement Board Siding Dents, chips, cracks and other minor surface damage in James Hardie siding and trim products can be filled with cementitious patching compound.
How do you repair Hardie board damage?
Cut the fiber cement siding to length (wear approved dust protection). Blind-nail the fiber cement siding in place, starting with the bottom piece. Face-nail the top piece of fiber cement siding through the old siding. Prime and paint new siding to match the old.
How do you fill holes in Hardie board?
The installation guide for Hardie Board, which is a brand of cement board siding recommends using caulking to fill nail holes. When I've installed it I used a high-quality exterior paintable calking after smoothing the edge of the holes. Once the caulk is dry you can touch up the paint.
How do you repair holes in fiber cement siding?
Use a plastic putty knife to apply the patching material to the damaged area, filling in the area and shaping the patch to match the original contours of the siding. Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process.
What causes hardiplank to crack?
Common Causes For Hardie Board Cracking Or Splitting Nails driven below the panel surface and directional nailing can cause cracking and splitting of fiber cement. Nailing too high or close at an edge. This can create a small crack which leads from the nail to the edge of the siding board.
How do you repair cement board?
Linda CottinStep 1: For holes larger than 1/2-inch in diameter, use a carton knife or carbide-tipped tool to cut a V-shaped groove behind the edges of hole. ... Step 2: Use a clean, damp sponge to wipe down the area to be patched.Step 3: Mix up a small amount of thin-set mortar following the manufacturer's instructions.More items...•
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.
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 fill a hole in a fiber board?
0:221:13Fix Particle or Chipboard Screw Holes - YouTubeYouTubeStart of suggested clipEnd of suggested clipCover the end of the doubt with wood glue. And also put some glue in the new hole insert the dowelMoreCover the end of the doubt with wood glue. And also put some glue in the new hole insert the dowel and tap it home with a small hammer. Clean up any excess. Glue.
How do you replace one piece of fiber cement siding?
3:114:42Replacing some pieces of hardboard siding with decent results - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou know measure it measure the replacement. Board cutting it with a circular saw just a regularMoreYou know measure it measure the replacement. Board cutting it with a circular saw just a regular blade in here kind of a general purpose blade stuff cuts very very easily.
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 caulk fiber cement siding?
0:542:14How to like a Pro: Caulking Cement Siding - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe caulking tube which we use our tool that's on the caulking gun we push it in pull it out this isMoreThe caulking tube which we use our tool that's on the caulking gun we push it in pull it out this is ready to go we insert it in the gun. Push it up where it needs to go. And we're ready to begin.
Can you repair Hardie board?
Though it is a tough wearing product, the surface of the siding can sometimes be damaged during installation, by unusual wear or by impact. 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.
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 a backer board?
1:5918:43How to repair cement board behind damaged shower tile - YouTubeYouTubeStart of suggested clipEnd of suggested clipI'm going to use this multi-purpose tool with the cutter and I'll show you I'm going to do that whatMoreI'm going to use this multi-purpose tool with the cutter and I'll show you I'm going to do that what we're going to do is if you come in here.
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...
How to remove paint from a board?
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.
What to wear when hammering nails?
Wear eye protection when hammering nails to avoid injury.
How to get a broken piece of wood off a cut?
Once it’s cut you’ll simply begin prying away the broken piece . You can do this with a small pry bar or by hand: You’ll want to work your way up and down the piece, and keep pressure on the bottom of the piece above the one your removing to prevent it from coming loose or cracking.
How do I remove old siding?
To remove the old siding, simply score or cut away any old caulk or paint that might be in the joints. I used a RYOBI Jobplus to score ours. {If there’s a chance to use a power tool, I might as well.}
Can hardie boards break?
Here’s the trickiest part about this whole process: while hardie board is an amazing product, it also breaks a little too easily. They break under their own weight, so make sure to carry them vertically, not flat. Another pair of hands is always best when handling the boards.
Can you remove nails from hardie board?
Remove any nails that still might be underneath the bottom portion of the piece above the one you removed. (Just the nails that will prevent the new board from sliding back into place.) You can either completely remove the nails, or clip them off. Placing the new piece of hardie board is just as simple as the demo.
Does Steelstik stick to wood?
Steelstik and Woodstik will stick to a variety of surfaces, as the package indicates, which is why I suggested them. I don't think they list 100% of the things it will bond to.
Can you use sheathing under cement siding?
Here often no sheathing is used under cement siding. Nothing but house wrap underneath. Probably not true where the OP is but (s)he needs to make sure there is something besides cement board to fasten to.
What is hardiplank siding made of?
Typically made of a high-density combination of cellulose fiber, cement and sand, fiber cement siding is tough, termite-resistant, water-resistant, and non-combustible.
How to fix a gap in hardboard?
If there are visible gaps in hardboard, you can first tighten the boards and reduce gaps by nailing the lose boards. Use a quality exterior nail, preferably stainless steel so it does not rust. If there is still a gap, or you really want to eliminate any gap, you can caulk the bottom of each board before painting.
How to remove flaking paint?
If any old paint still remains that is flaking or showing other signs of poor adhesion, remove it by careful wire-brushing, working in the direction of the simulated wood-grain, if there is any. When doing this work, wear a dust mask, as well as eye and skin protection .
What to use to remove glue from a drywall wall?
Use a glue remover like Goof Off.
Can you paint with silicone caulk?
Unlike similar-sounding silicone caulks, siliconized acrylic caulks can be painted, so they enhance the finished appearance of the paint job .
Who sells touch up paint for Hardyboard siding?
Hardie sells touch-up paint that can match the color of your HardyBoard siding.
How do I repair a wood board?
OPINION: Clean out the area of damage, removing loose material but trying not to gouge into the boards. For larger areas I prefer to use a cement (or "cementious") patching compound, sold in plastic tubs or in tubes that can be used in a caulking gun. If your boards include a pattern such as a wood grain, small areas of repair can be tooled to match the surrounding lines with a putty knife; for larger areas of repair some owners have tried making a clay impression of nearby surfaces to press into the patch.
Why does my siding have algae?
Algae, fungus, moss or lichens on siding are usually due to a combination of moisture and shade on the building wall. Plants too close to the building wall, repeated wetting by sprinkler systems, or unnecessarily dense close shade tree growth are conditions that can usually be remedied.
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 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.
Do you need caulk on a J channel?
And caulk is required at certain joints such as vertical trim at windows, doors, corners. Caulk is not to be installed in J channel, F- channel, nor in fiber cement siding butt joints, though it may have been applied later by a homeowner or maintenance contractor.
Can you cut a gap between siding and trim?
It may be possible to cut an end gap clearance in place between the siding end and vertical trim, wearing proper protective gear to avoid silica dust hazards etc.
