GE Iron Grip 100% silicone adhesive doesn't require additional surface preparation and unlike traditional construction adhesives, bonds to both porous and non-porous surfaces such as: most aluminum, steel, PVC, fiberglass, polystyrene, glass concrete, plywood, drywall, ceramic, porcelain, stone, granite, laminate, poly-composite, treated and untreated wood, MDF, brick, masonry, foam board, furring strips, and fiberboard. Low VOC.