Steve shows how to fix rusty nail heads for painting projects.
Caulk siding nail heads.
The claim was that nails have to pass through a minimum of two layers of shingles.
Siding nails should not be caulked another item that needs room to play is siding boards themselves.
Nail head rusting.
Sand the nail heads.
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.
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.
I must admit i ve seen many builders that do not seal the nail heads.
I ve always considered it necessary to caulk any exposed nail heads on a shingle roof there shouldn t be many.
A latex primers and paints will stick well to it.
To remove nail head rusting from surfaces.
Use top quality caulk outdoors where it needs to withstand extreme temperature changes and remain flexible for 30 to 50 years.
See all paint colors warning.
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.
The shingles are asphalt backed and this asphalt forms an adequate seal around the nail.
Holes in wood trim are best filled with wood filler.
Nail holes in exterior surfaces just as with cracks or gaps can be dealt with using a good caulking.
I heard an opposing opinion recently.
Apply multiple primer coats to the nail heads.
The advantages of using a latex caulk is that.
Before caulking joints between dissimilar materials make sure that the manufacturer recommends the caulk for both materials.
Apply a rust inhibitive or stain blocking primer to the nail heads and surrounding area.
When james hardie siding products butt into wood based materials a 1 8 gap will.
Manufacturers caulk and sealant recommendation sheet s 100b issued july 2000 application.
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.
How to paint over a rusted nail stain.
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.
How to fix it.
