Faithfull spray adhesive is simple to use either inside or outside. When used inside, allow adequate ventilation during use and afterwards to remove all fumes. Spray adhesive replaces ordinary double sided tapes and can be used for a wide range of applications such as floor laying, upholstery and mounting photographs. Spray adhesive fixes almost all surfaces (excluding Vinyl). Make sure the surfaces you are joining are porous. Each 500ml can covers an area of 60 sq ft approximately (medium setting).