Do I need a primer or sealer?

It depends on what you are covering, on the quality of the surface underneath, and on how long you expect the finished sign to last. If you are covering an older sign, a primer helps to prevent its ghostly presense from bleeding through and spoiling the appearance of the new sign. Use a sealer to prepare a surface, especially a porous surface, so that your sign will last longer.

Sign Painting Primers and Sealers

Sign painting primers and sealers help prime your surface and seal your finished work. Apply them with a brush, roller, or sprayer. Primers create a stable, durable basecoat on a wide range of surfaces, including wood, metal, and vinyl. It al...

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Sign Painting Primers and Sealers (4)

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+ 6 Options
Primo Primer and Sealers
+ 6 Options
Item #: 27106
5 out of 5 stars
A premium quality waterbased acrylic primer/sealant specially designed to prepare non-metallic surfaces for the application of metallic surfacer solut...
+ 3 Options
Zinsser Bulls Eye 1-2-3 Latex Primer Sealer
+ 3 Options
Item #: 01007
2.5 out of 5 stars
For all interior/exterior surfaces, even on damp surfaces (it lets moisture escape). Also used on chalky, weathered surfaces, on glossy surfaces. It a...
+ 2 Options
Ronan Prime-All
+ 2 Options
Item #: 03511
4.6 out of 5 stars
The powerful stain-killing formula of this unique, waterbased acrylic primer checks water stains, smoke damage, wood tannin, asphalt stains, crayon, m...
Zinsser Stain Killing Primer
Item #: 08989
In stock online
Zinsser Stain Killing Primer is an ultra-low odor, all-purpose primer designed to tackle tough stains from water, smoke, nicotine, tannin bleed, greas...