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DAP Dynaflex 230 Sealant

  • Best For:
  • Window, Door, & Siding

DAP DYNAFLEX 230 Pro is a premium elastomeric latex sealant delivering silicone-like toughness with exceptional durability, adhesion, and flexibility. Use to caulk and seal, DYNAFLEX 230 Pro is designed for easy application. High flexibility sealant accommodates joint movement caused by temperature and humidity fluctuations without cracking. It provides a long-lasting, waterproof & and weatherproof barrier. Cured sealant is mold and mildew resistant. This sealant is ideal for preventing air leaks around windows, doors, siding, trim, and baseboards up to 2" wide. By improving a home’s energy efficiency, it helps reduce utility costs. Featuring excellent tooling properties, paintability in 2 hours, and a low odor with water cleanup, this sealant delivers high performance and convenience. DAP DYNAFLEX 230 meets ASTM Specification C920, Class 25, and is VOC compliant. Suitable for both exterior and interior applications.

Key Features
  • DAP
    Waterproof Seal
  • DAP
    Crack Proof
  • DAP
    Paintable
  • DAP
    Exceeds ASTM C920, Class 25
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DETAILS + SPECIFICATIONS

  • Details
  • SKU Code Unit Size Color Dimensions (in.) Weight Case Pack Cases/Pallet
    7079811275 18300 10.10 FL OZ White 8x6x12 13.1 lbs. 12 108
    7079818275 18300 10.1 FL OZ White 8x6x12 13.1 lbs. 12 108
    7079818280 18280 10.1 FL OZ Black 8x6x12 12.8 lbs. 12 108
    7079818286 18301 10.1 FL OZ Gray 8x6x12 12.85 lbs. 12 108
    7079818288 18306 10.1 FL OZ Almond 8x6x12 12.85 lbs. 12 108
    7079818304 18305 10.1 FL OZ Clear 8x6x12 10.01 lbs. 12 108
    7079818412 18412 10.1 FL OZ CedarTan 8x6x12 12.9 lbs. 12 108
    7079818416 18416 10.1 FL OZ Clay 8x6x12 13 lbs. 12 108
    7079818418 18302 10.1 FL OZ Brown 8x6x12 12.9 lbs. 12 108
    7079818420 18303 10.1 FL OZ DarkBronze 8x6x12 12.9 lbs. 12 108
    7079818860 18357 5.5 FL OZ Clear 7.75x7.378x10 6.3 lbs. 15 120
    7079818886 18285 5.5 FL OZ White 7.75x7.378x10 8.57 lbs. 15 120
    7079874096 74094 300 ML Brown 8x6x12 13.5 lbs. 12 108
    7079874108 74106 300 ML Gray 8x6x12 13.5 lbs. 12 108

RESOURCES + FAQs

  • Technical Data
  • Why offer a sealant designed for windows, doors & trim?

    Windows, doors and trim are among the top applications for sealant for both Pros and DIYers. Many times consumers choose acetoxy silicone technology for exterior applications on these projects, however DYNAFLEX 230® meets performance standards of acetoxy silicone with the added benefits of being paintable, low odor, easy to tool and easy to clean up with soap and water. It is engineered with increased elongation by 33% to deliver increased toughness for outstanding performance against the elements.

    What does “Silicone Tough” mean?

    Based on laboratory testing, DYNAFLEX 230® delivers the performance characteristics of acetoxy silicone, but with all of the advantages of a latex sealant (paintable, low odor, easy to tool and easy to clean up with soap and water). Beyond meeting the ASTM C920 Class 25 test standard (demonstrating over 50% total joint movement in extreme temperatures), the DYNAFLEX 230® also meets the same stress/strain tests as acetoxy silicone.

    What is “Composite” molding and why is it important?

    The term “composite” is a term used to describe synthetic building materials (including polystyrene, MDF and others). The synthetic building materials market is a $3 billion industry and is growing quickly, especially with molding and trim. Usage of composite and PVC trimboard has become common, and few sealants are able to claim compatibility with this category of materials.

    What colors does DYNAFLEX 230® come in?

    DYNAFLEX 230® comes in a wide variety of colors to match the most popular colors of exterior siding and trim. Colors include: white, clear, almond, gray, clay, cedar tan, brown, bronze and black.

    How long is the shelf life on this product?

    A minimum of 12 months from the date of production in an unopened tube.

    Can I use this in a shower?

    No. The product is not applicable for use in a bath or shower.

    Is this a paintable silicone caulk?

    No, DYNAFLEX 230 is a latex base caulk that performs to many of the same standards as a silicone sealant

    Is there any silicone in this caulk?

    No, there is no silicone in DYNAFLEX 230.

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