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 colours, prevent tannin bleed and penetrate and seal exterior wood.
 
Features: 
Oil based primer
Best exterior wood sealer
Blocks cedar and redwood bleed
Dries in 1 hour
Interior/exterior
Sticks to all surfaces without sanding
Seals water, smoke and nicotine stains
 
For best results - spot-prime heavy stains with aerosol spray 
 
All information above is from the official Rust-Oleum website, for more information visit rustoleum.com.au