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DAP® 3.0™ Window, Door, Siding & Trim

  • Best For:
  • Window, Door, & Siding
  • Weatherproofing

High-Performance, no shrink hybrid sealant offers superior flexibility and adhesion for a durable, 100% waterproof and weatherproof seal that won’t crack or shrink. It stays flexible to withstand expansion and contraction caused by temperature and weather fluctuations. It can be applied in extreme temperatures: 20ºF to 120ºF and adheres to wet/damp surfaces. DAP 3.0 guns out easily and tools smoothly. It is rain and paint ready in just 30 minutes. Once cured, the sealant is mold and mildew resistant. It is low in odor and VOC compliant and backed by a Lifetime Guarantee. It meets ASTM C920, Class 25, and complies with AAMA 808.3-16 Type I, AAMA 803.3-16 Type I, and AAMA 802.2-16 Type II, and is for interior and exterior use.

Key Features
  • water ready
    Rain Ready Time
  • DAP
    Paint Ready Time
  • DAP
    Extreme Temp Application
  • DAP
    Lifetime Guarantee


  • Details


  • Technical Data
  • 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 apply a layer of this caulk over 100% Silicone in order that I may paint?

    No, this product will not adhere over 100% Silicone.

    Can I use this in a shower?

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

    Why can’t I paint this caulk with an oil base paint?

    The caulk must first be primed with a latex primer before you can apply an oil base paint.

    What paints are compatible with DAP® 3.0™ High Performance Sealant?

    Acrylic latex-based paints are compatible. Priming with an acrylic latex primer is necessary before painting with oil-based paints.

    How do I clean Up DAP® 3.0™ High Performance Sealant?

    Excess uncured DAP® 3.0™ High Performance Sealants can be cleaned up from surfaces or tools using mineral spirits. Once they have cured, any excess sealant needs to be cut or scraped away.

    If I only use half of a cartridge, can I use the other half at a later date? If so, what are the proper storage conditions?

    Yes. You can use the remaining product after the cartridge is opened if stored properly. The cartridge should be stored below 80°F in a dry place. When ready to use again, remove the cured material at the tip or cut the tip back to reveal fresh product.

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