ATTENTION CUSTOMERS: The building & construction industry is currently experiencing a worldwide shortage of raw materials due to the COVID-19 pandemic. Manufactures have already begun notifying distributors of these disruptions and shortages in the supply chain and have also implemented immediate price increases. At this time we cannot guarantee all items will be available in stock. If you have a large job coming up make sure to order early so that we can still provide you with the materials needed to complete your jobs. Please allow additional time for your order to arrive, thank you for your patience in this matter.
Sale! Bostik SiroFlex Duo-Sil Urethane Acrylic Sealant 2018 Conspec Tampa Florida
Bostik SiroFlex Duo-Sil Urethane Acrylic Sealant Conspec Tampa FloridaBostik SiroFlex Duo-Sil Urethane Acrylic Sealant 2018 Conspec Tampa FloridaSiroflex Duo-Sil Urethane Acrylic and Adhesive Window and Door SealantSiroFlex Duo-Sil Color Chart Top 20SiroFlex Duo-Sil 140 Optional Color Chart Page 1SiroFlex Duo-Sil 140 Optional Color Chart Page 2


Conspec Family Business BadgeConspec Warranty BadgeOne part, Urethane Acrylic Emulsion Sealant and Adhesive. Non-Hazardous, Non-Flammable, available in over 140 in stock colors, and Mildew Resistant.

Clear selection

BOSTIK / Siroflex – DUO-SIL® Acrylic Urethane Sealant 10-oz


Limited Quantities Available,



Bostik – DUO-SIL® is a special formulation of urethane and acrylic emulsion formulated for the Professional applicator which can be used as an adhesive or caulking compound for commercial and residential construction. Perfect for Vinyl Siding, Windows and Doors, Kitchens, Baths and Showers, Moldings, and Countertops. Available in more than 140 colors!

Not all colors listed online, please call if you need a color not listed.
24 Tube Minimum on Special Order Colors.

• Meets ASTM C-834, Type C, Grade 0
• Easy to apply
• Cleans up with Soap and Water
• Commonly used in the window & door industry
• Excellent adhesion to most common building substrates
• Flexible, UV-Resistant, and will not crack or fade
• Non-Hazardous, Non-Flammable, Mildew Resistant
• Low VOC formulation
• Available in more than 140 colors



To download the most recent Technical Data Sheet, please click here.



To Download the Siroflex PDF Color Chart, please click here.

Weight 20 oz
Dimensions 2 x 2 x 13 in
Product Color

2000 Clear, 2001 White, 2003 Black, 2201 Bronze, 2428 Tan, 2944 Gray, 2203 Musket Brown, 2403 Wicker, 2408 Heather Gray, 2425 French Vanilla, 2426 Woodland Mist, 2429 Beige, 2448 Antique White, 2449 Pearl, 2502 Silver Ash, 2521 Dove Gray

Product Size

10-oz Cartridge

You may also like…

Call Now Button