There are several waterproof bonding adhesives that are suitable for use on roofs in India, including:
KOFFCLUB ADHESIVE MR: This is a rubberized, UV-resistant adhesive that is specifically designed for use on roofs. It is waterproof and can be used to seal leaks and make repairs to a variety of roofing materials.
SikaBond T-21: This is a polyurethane adhesive that is suitable for bonding a wide range of materials, including metal, concrete, wood, and roofing membranes. It is waterproof and resistant to UV radiation.
Dr. Fixit Pidiproof LW+: This is a polyurethane-based adhesive that is specifically designed for use on roofs. It is waterproof and can be used to bond a variety of roofing materials, including metal, concrete, and wood.
Fevicol MR: This is a widely available, high-strength adhesive that is suitable for bonding a variety of materials, including roofing membranes. It is waterproof and resistant to UV radiation.
It is important to choose an adhesive that is suitable for the specific type of roofing material being used and to follow the manufacturer’s instructions for use.