【Self-adhesive】You don't need to apply the joint filler first, just cut out the required size, stick it directly on the hole, make sure at least 1 inch of fillet tape is covered by the edges of the hole; the high adhesion and consistency of the adhesive allow you to apply many linear feet of this product at once without detaching from the wall surface before the first layer of filler is applied 【High Quality Fiberglass Joint Tape】High tensile strength, crack resistant, lightweight drywall tape. provides excellent alkali resistance and durability for drywall repair, wall joints during repair or painting 【Performance Features】Industry standard mesh provides excellent vibration and penetration resistance for installing drywall joints, repairing cracks or holes on roofs, ceilings and walls in dry or wet conditions, it adheres well to walls, concrete, tiles and other building materials, resists cold and high temperatures and lasts more than 50 years under putty 【Wide Range of Uses】Drywall