How To Repair Broken Hardie Plank Siding
The advantages of using fiber cement siding in a home remodeling project are un-debateable. The textile is durable, flame-resistant, insect-resistant, and comes in a broad variety of styles that can gratify virtually every homeowner.
What Goes Wrong With Cobweb Cement?
Some manufacture publishers dub cobweb cement as a '100 yr product' and so there really should be no demand to ever have to repair information technology right? The truth is there is ever variables with any home product that could crave repair down the line, generally having to practise with faulty installation (gaps, uneven, loose from poor nailing, lack of capitalist flashing) but could also include rodents, collisions, extreme weather, or h2o harm to the underlayment.
The damage will accept to be analyzed to run across if it can be a cosmetic prepare or if the boards need to exist replaced birthday.
Understanding How Fiber Cement is Installed
Removing fiber cement boards from the exterior of a habitation is basically installing in reverse. Therefore information technology's important to know how the product is installed to begin with. Fiber cement lap siding is by and large blind-nailed at the meridian of the plank with the nails being covered by the subsequent row of siding.
Removing a Damaged Board
In order to remove the board you'll have to pull out or cut off the nails, which are likely located underneath the overlapping siding on the row above. Employ a pry bar and elevator the bottom border of the overlapping siding gently every bit to not cause any additional impairment. Equally y'all pry, use wood shims to create a buffer between the overlapping slice and the damaged piece then that nails can exist removed from the damaged piece easier.
Replacing With the New Lath
If the reason the damaged lath needed to be removed was because of constant water exposure, you lot'll demand to inspect the underlayment and backer board behind the siding to make sure it likewise hasn't rotted or become vulnerable. There'due south no sense in making repairs until any issues have been alleviated. If multiple rows of siding had to exist removed ever piece of work from the bottom up when installing the replacement pieces.
Cheque the 'reveal' or exposed areas on other sections of the home to know how much infinite to leave when installing replacement boards – using a chalk line if needed to make sure this stays consequent from end to end. When sliding the concluding lath into place underneath an overlapping row of siding, you may have to face nail information technology into identify because the summit nailing lip is hard to reach. Use some touch up paint to cover up these face nails and and then re-caulk any gaps to completely repair fiber cement lap siding.
Fixing Holes in Fiber Cement
There'south no doubt that removing entire sections of board risks damage to respective areas but in many means it'southward the only tried and true style of how to repair cracked fiber cement siding. If you need to repair fiber cement siding hole considering of raccoons, mice, squirrels, birds, etc. there may exist a way to set the sections while they are in place.
To repair hole in fiber cement siding in that location is a special putty that can be used every bit 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 allow the patch dry and sand it to blend into the surrounding parts of the plank. Finally, paint the surface area and although the patch may not be cosmetically perfect it blocks out water and insect access.
A bully option to go the job washed is the Organisation 3 1-Quart SculpWood Moldable Epoxy Putty, it comes at a great price, easily shaped and friendly to use.
How to Repair Loose Cobweb Cement Siding
There are two main reasons that cause fiber cement siding to come loose, both of which stalk from faulty installation of either missing a stud or nailing too high on the pieces. A plank that is nailed too high will start to sag because the thin top lip has started to give. This can be diagnosed by a lot of vertical movement in the board.
Planks that have been nailed missing the stud will start to pull away from the house. Either style, the simplest ready is to face boom the boards back into identify, this time hitting the stud. If there is no stud available (such as near gable trim) and the plank is curling or rattling, information technology'south recommended to 'pin back' the board by confront nailing it 3/4" to one" from the lesser – strictly for aesthetics and not to increment wind load. Caulk can also be used to secure an angled cut or some other section where a backer is non available.
Agreement Dealing With Fiber Cement Gaps
One matter to note about gaps between joints of fiber cement siding is that they are left there on purpose. Although the material expands and contracts less than wood, all-time installation practices notwithstanding allow for some move and to respond to shifts in the home.
Edge gaps are filled with caulk to prevent water damage and every siding butt articulation should have flashing behind it to do the same. The flashing should be a non-discreet color so that it is barely noticeable. If there are significant gaps that are destroying the aesthetics of the siding (board too minor to begin with, too large of expansion gaps) the best practice is to remove and replace, both for cosmetics and wet prevention.
Fiber cement siding is a highly durable production but anything installed thirty-40 years on the exterior of a domicile is going to exist vulnerable to harm at some point. Luckily, another versatile benefit of this production is that fixes are usually easy and generally cheap.
Just remember to e'er eliminate the underlying trouble (water harm, rodent infestation, delaminated boards, etc.) before making repairs every bit yous'll merely be running around in circles.
Source: https://innovativebuildingmaterials.com/fiber-cement-siding-repair/
6 Responses
When doing small surface repairs on the cement board are there rubber skins bachelor to add together the grain of the siding to the repaired area?
What is the "special putty"? There is not a product name listed.
Once more, I must write that this 70 years young woman finds your data very, very helpful.
In the back of my dwelling house the lowest line of cobweb cement siding has come downward in a few spots and I need it repaired. It appears that the layer on the dwelling house under the siding is some sort of particle lath which I am sure needs to exist replaced. There is no water barrier cloth at all!
I was quoted a cost of $250 for a contractor to come out and view the harm. Repair costs would be deducted from the $250. The price seems high to me since information technology is ten feet of siding which needs repair. What do yous retrieve nearly the pricing?
Keep upwards the great work!
Where is the "special putty"? What's the proper noun, link….?
The picture of the "special putty" is USG Boral premium premix. You lot can go drywall articulation compound from The Domicile Depot or your local hardware store.
"Drywall articulation compound"? Correct! Yous use drywall articulation compound to set damaged exterior fiber cement siding near of the time.