Surface treatment / adhesive surface is necessary that is clean oil , grease , dust , and mold release agent and must be dry. Please apply evenly coating on brush , spray equipment, and appliances. Application of 2 times or more is required for porous intense adhesive of suction . Also should be applied to both sides in the case of non-porous. Drying time/Immediately after application in case oneside coating. In case both side coating, wait about 5 minutes(adhesive does not adhere by touching with a finger) Cleansing/ Extra adhesive can be removed with toluene or lacquer thinner. Temperature of operation/If the temperature is 10 degree C or less, stickyness declines. In winter or in low temperature place, keep the product 10 degree C or less at the last minute of use. warm adhesion surface with drier or something and wipe well with dry cloth.