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.