SWR Institute
400 Admiral Blvd
Kansas City, MO 64106
816.472.7974
info@swrionline.org

Product Name: DOWSIL™ 791 Silicone Weatherproofing Sealant
Submitted by: Dow Silicones Corporation
2200 W. Salzburg Rd.
Midland, MI 48686
Ahlinka@dow.com
dow.com/construction

Test Results
ASTM C 719 Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement [Hockman Cycle];
Pass: Yes
Extension: +50%
Compression: -50% Substrate: Unprimed aluminum, glass; Primed mortar [DOWSIL Primer P was applied to mortar substrates.]
Validation Date: 11/20/2025
Expiration Date: 11/19/2030
Lab Details: Interek
130 Derry Court
York,  PA 17406
Phone: 717-764-7700