What’s The Difference Between Sikaflex 221 And 512?
What’s The Difference Between Sikaflex 221 And 512? Sikaflex is more of an adhesive so more suitable to the bonding of solar panel mounts for example, Sikaflex 512 is more of a sealant and will stick to timber and is less prove to weathering so more suitable for the use in the bonding of awning