Tec 7 is a Solvent Free MS Polymer based product that can seal, mount and bond all common building materials - even under water, eliminating the wait or need for damp or wet surfaces to dry and meaning you don't have to carry the usual assortment of adhesives and sealers to each job. It will remain flexible without compromising its strength so it can be used anywhere that a normal silicone would be used without the possibility of shrinking or rotting. This product is also U.V. and weather resistant, anti-fungal and anti-bacterial. And when you work with Tec 7 you can be certain that your work will be guaranteed to last for a minimum 10 years. Works on wet & dry surfaces Solvent free