Make sure your finished floors and clean and dry. For hardwood floors make sure flooring application is cured completely - check the floor covering manufacturer specs. Use tape to seal edges. Never use on newly layed stone or porous stone. Moisture can cause stains if wet surfaces are covered.

Estimate construction site traffic and building materials to be used. Rosin paper is still a value staple for light traffic, and light building materials sites. PolyCraft Mask and Finished Floor Guard are upgrades that can take a heavier traffic load and protect from more caustic building materials.