PINE WOOD ISOLATION PRIMER 1K is a primer designed to preserve the raw, pure appearance of softwoods. It effectively blocks tannins and prevents unsightly stains. Its single-component formula protects without heating up the wood's natural color. Perfect for surfaces treated with Wood Oil or natural softwood, this primer offers long-lasting protection without altering the feel of untreated wood. For use exclusively with NO VISIBLE PINE 2K varnish.