DOWSIL 991

Specially formulated to prevent staining of porous substrates such as natural stone and minimize streaking on metal panels and glass. Forms a durable, flexible, watertight bond with most building materials and can be used for new and remedial construction applications.

Features:

1.Non-staining on natural stone and reduces residue rundown on metal and glass panels

2.Medium modulus, high movement capability - can accommodate ± 50% movement in a properly designed joint

3.Good unprimed adhesion to a wide variety of building materials such as natural stone, glass, metal, ceramic tile, fluorocarbon paint finishes and anodized aluminum

4.Outstanding UV and weathering resistance

5.Good working time

6.10-year Limited Weatherseal and Non-Staining Warranties are available

7.One-part easy to use formulation

8.Formulated to prevent staining of porous substrates and reduce streaking on glass and metal panels to improve building aesthetic performance

9.Excellent weathering and durability resulting in longer lifecycle and superior long-term weatherproofing

10.Excellent unprimed adhesion to most building substrates