A: Thanks for reaching out! Rust-Oleum Zinsser Cover Stain Oil-Based Primer is perfect for priming wallpaper before painting. You need an oil-based primer, as a water-based primer could reactivate the wallpaper adhesive, causing it to come loose from the wall. The surface should be clean and dry, and make sure that anything peeling or unsound has been removed. A topcoat can be applied after 1 hour but should be applied before 7 days. — Rust-Oleum Product Support 15

A: Hi eagle Dad 1, Here is what the manufacturer states: The primer's oil-based formula provides unparalleled penetration for superior adhesion and stain blocking Perfect primer for nearly all interior and exterior surfaces including ones with water, smoke or fire staining Dries to the touch in 1 hour for quick turnaround time Creates a smooth, ready-to-coat surface Blocks stains, hides dark colors, prevents tannin bleeds and seals wood Guaranteed refund for full price of item This whole-house primer-sealer is a favorite with professionals Blocks cedar & redwood bleed Sticks to all surfaces without sanding for your convenience For best results, spot-prime heavy stains with the aerosol spray, so you should be OK.

A: No, this product will make them white.

A: Yes, you can use latex paint over oil primer