718294 GCP APPLIED TECHNOLOGIES 21481 Grace, 9 x 75, Vycor Plus Self-Adhered Flashing, Provides Superior Protection Against Water, Air Moisture Infiltration In Critical Detail Areas Such As Window Door Openings, Corner Boards, Under Stucco Finishes, Masonry Walls Other Flashing Areas, Do Not Use On Roofs, It Is 25 Mil Thick Compatible With Wood, Plywood, Oriented Strand Board, Concrete Masonry, Fully Adheres To The Substrate To Prevent Water From Passing Through, Shrink Wrapped Rolls.