The advantages of using a latex caulk is that.
Caulk siding nail heads.
Siding nails should not be caulked another item that needs room to play is siding boards themselves.
Holes in wood trim are best filled with wood filler.
The claim was that nails have to pass through a minimum of two layers of shingles.
How to fix it.
Nail holes in interior walls can generally be filled with shrink free spackling by overfilling the hole slightly then sanding smooth once it s dry.
Use top quality caulk outdoors where it needs to withstand extreme temperature changes and remain flexible for 30 to 50 years.
Any lower and you might see a few nail heads poking through the bottom of the next board any higher and your siding is likely to be loose and.
Steve shows how to fix rusty nail heads for painting projects.
I ve always considered it necessary to caulk any exposed nail heads on a shingle roof there shouldn t be many.
Apply multiple primer coats to the nail heads.
Caulk is a substance designed to seal a joint between two surfaces and to fill small holes.
Rusted nails and paint don t mix well the rust rises to the surface of a paint job whether the paint is fresh or ages old even if the nail head itself.
See all paint colors warning.
To remove nail head rusting from surfaces.
How to paint over a rusted nail stain.
Hardie plank siding has a nail line across the top of the board that is 1 down from the top and nails are supposed to fall between and 1 from the top of the board to give the best hold.
When james hardie siding products butt into wood based materials a 1 8 gap will.
Nail holes in exterior surfaces just as with cracks or gaps can be dealt with using a good caulking.
The shingles are asphalt backed and this asphalt forms an adequate seal around the nail.
Nail head rusting.
I heard an opposing opinion recently.
Manufacturers caulk and sealant recommendation sheet s 100b issued july 2000 application.
A latex primers and paints will stick well to it.
Sand the nail heads.
The nails holding up the siding should not be caulked.
A diyer or a novice painter might attempt to achieve a cleaner look by caulking the siding nails but the nail is guaranteed to push the caulking material out within a few months.
Apply a rust inhibitive or stain blocking primer to the nail heads and surrounding area.
Caulk the nail heads with acrylic caulk.
James hardie believes it is good building practice to seal the joints to prevent moisture such as wind driven rain and snow from penetrating the wall cavity.