A "hazmat" shipping fee is added to the shipping of this product.
Sikaflex primers are specially formulated to be used on specific substrates with Sikaflex polyurethane sealants. Most substrates require a primer only if testing shows need and where the sealant will be underwater after cure. Some substrates do require a primer under all conditions.
Promotes Adhesion to clean, sound and dry concrete, masonry, EIFS, and wood - including teak and mahogany.