QA

Quick Answer: How To Patch Hardie Board Siding

You can easily fix it by cleaning it and then using caulk to patch the gap. “And it may take time to see it appear, so you won’t know right away,” Jamie reads. When siding shrinks it causes a gap to form between the planks. The best way to fix these gaps is to clean the joint and then patch it with caulk.

How do you fix a hole in Hardie board?

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. Apply the patch product to the damaged area with the flexible putty knife to fill in any indentations or holes.

Can you patch fiber cement siding?

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.

How do you fill holes in fiber cement siding?

To repair hole in fiber cement siding there is a special putty that can be used as a patch. This putty should be included in every fiber cement repair kit. The patch is mixed, formed, and spread to match the contours of the board. You then let the patch dry and sand it to blend into the surrounding parts of the plank.

How do you fill nail holes in James Hardie siding?

ColorPlus® Products ColorPlus® Touch-up Kits can be used to cover nicks, scrapes and nail holes that may occur over time. If the touch up area is larger than the size of a dime, the use of ColorPlus® Touch-up Kit is NOT recommended. It is advised to replace the damage siding with a new section of ColorPlus® siding.

How do you repair cement board 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.

Can you repair Hardie board siding?

Fixing Hardie Plank Siding You can easily fix it by cleaning it and then using caulk to patch the gap. The best way to fix these gaps is to clean the joint and then patch it with caulk. This way water and other elements can’t go past the patch, between or behind the planks, and cause further damage.

Do you caulk Hardie board joints?

Joint-flashing material must be durable, waterproof material that does not react with cement based products. Other products may also be suitable. James Hardie DOES NOT recommend using caulk or “H”-jointers for the butt joints of HardiePlank® siding with ColorPlus® technology.

What do you put on seams of cement board?

Use special mesh tape on seams Cover all of the corners, joints and seams, including the joint where drywall and cement board meet, with the fiberglass mesh tape.

What is the best caulk for Hardie board?

So, here I am telling you about the best caulk for Hardie siding.Comparison of Our Best Caulk for Hardie String. Product Type Weight DAP INC 18152 Silicone 10.1oz GE Sealants & Adhesives M90015 Silicone 10.1oz Dap 18001 Kwik Seal Caulk Silicone 5.5oz Gorilla White 100 Percent Silicone Sealant Caulk Silicone 10.1oz.

How do you fill nail holes in exterior siding?

To patch holes and depressions in siding of any kind, follow these steps: Clean the hole or depression you plan to fill. Roughen the area you want to patch with 80-grit sandpaper for a better bond. Fill the area with patching compound. Allow the compound to harden and then sand it smooth.

How do you cover nails with Hardie panels?

Fastening Siding Use hot-dipped galvanized or stainless steel nails. Nails should penetrate through the sheathing and at least 1” into studs. Position nails ¾” to 1” from the edge of the siding. Siding can either be blind nailed at the top or face nailed at the bottom.

How do you fix nail holes in siding?

If you simply have a small puncture in your vinyl siding, repair is easy. Use siding cleaner to clean the area around the puncture. Wipe the area dry with a rag. Cut the tip of your color-match vinyl siding caulk and fit the tube into your caulk gun. Squeeze the caulk into the puncture to fill the space behind the hole.

How do you remove Hardie board siding without damaging it?

Slide the thin edge of a flat pry bar carefully under the lower edge of the first piece of HardiePlank siding to be removed. Pry the piece of siding out toward you gently to let you see the nail or screw patterning of how the planks have been fastened to the under-structure.

How do you replace individual siding boards?

How to Repair Wood Siding: Replace rotted siding Evaluate the boards. Decide which boards need replacing and where to make your cuts. Cut the nails. Make the first cut with a circular saw. Finish the cut with a sharp utility knife. Pry off the rotted boards. Install the new boards.

Why does fiber cement siding crack?

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.

Do you caulk between siding boards?

Bottom of siding boards should not be caulked While paint does tend to somewhat glue these pieces together, caulking them is never advised and can cause permanent damage. Also, avoid caulking tongue-and-groove siding boards together.

What kind of caulk do you use on hardiplank?

For regular Hardiplank lap siding (the kind you paint AFTER installation), caulking at butt joints is optional. This from installation instructions: A high quality, paintable caulk is recommended. For best results use caulks that comply with either ASTM C 834 or ASTM C 920.

Should fiber cement siding be caulked?

Many professionals, like those at James Hardie, also agree that you should not use caulk on fiber cement siding unless there is no metal flashing underneath. Flashing acts as a waterproofing layer for this type of siding, and caulking will prevent the flashing from doing its job.