The last roofer said he could not find any hard board or fiber.
Caulking pressboard siding.
Siding caulk can be used on several different areas of your exterior siding to help prevent water damage and moisture buildup.
I will probably have to nail through the siding into the studs and caulk the nail heads but i am determined to keep the siding for as long as possible.
Think of a wood home as a living thing.
In my opinion caulking between the seams in any lapped siding either horizontal or vertical is not good practice but not just because of any potential vapor barrier effect.
Water is meant to exit through the bottom of each board.
For small holes make the opening in the tube no more than 60 to 70 percent of the width of the hole in the wood.
I have areas around dormer windows and where siding meets roof that have deteriorated.
Bottom of siding boards should not be caulked.
P addicott april 17 2018 at 5 08 pm.
3 fit a caulking.
It may be possible to perform minor repairs and improve aesthetics by caulking and painting.
It needs to move and breathe.
While paint does tend to somewhat glue these pieces together caulking them is never advised and can cause permanent damage.
The siding expands and contracts with temperature and humidity.
However once water has penetrated hardboard siding and deterioration has begun the siding will eventually need to be replaced.
Some of the most commonly caulked areas of siding include both corners and crevices as well as some butt joints and window and door trim boards.
Let the primer dry.
Next look for more subtle telltale signs of deterioration problems such as discoloration rusted nails.
Watch this graphic depiction of the removal and replacement of hardboard siding.
The thing is over time the chemical treatment in the pressure treated wood dries out and the wood contracts and literally gets a tiny bit smaller since it s not now swollen with moisture.
Also avoid caulking tongue and groove siding boards together.
Trim the tip of the tube of caulk with a utility knife or razor blade.
The caulk was still perfect in the few areas i had caulked along the siding.