Get ultimate hiding power indoors and out with Rust-Oleum® Zinsser® Cover-Stain® Oil-Base Primer. This whole-house primer-sealer is a favorite with professionals. Use it to block stains, hide dark colors, prevent tannin bleed and penetrate and seal exterior wood.
Interior and exterior
- Best exterior wood sealer
- Blocks cedar & redwood bleed
- Seals water, smoke & nicotine stains
- Sticks to all surfaces without sanding
- Dries in 1 hour
