Our premium interior/exterior 100% acrylic primer is formulated to meet the performance requirements of the residential and commercial segments. Seal Grip Gripper Primer is especially formulated to block most stains – water, smoke, ink, markers, and tannin. Seal Grip Gripper Primer has exceptional adhesion to glossy surfaces. Also recommended as a whole house primer for use on properly prepared interior or exterior wood, masonry, plaster, wallboard, cement, brick, stucco, cement composition board, aluminum and wall coverings