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Mad Dog Dura-Build: Surface Smoothing Primer

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$21.95 - $324.95
Usually ships in 24 hours

Dura-Build is the best exterior primer to smooth uneven surfaces, bridges and fill cracks, and permanently resists peeling paint and cracking surfaces. Mad Dog quality at national brand pricing. Use on all surfaces for new and weathered projects. Dura-Build helps last up to 20 years.

Mad Dog Dura-Build fills in and levels uneven surfaces for a more uniform look. High build formula fills and smooths rough and cracking areas. Applies at up to 30 mils wet, extends the life of top-coats for up to 20 years, and reduces prep time by up to 20%. Use on wood, metal, masonry and other substrates.

The Patented adhesive formula adheres to substrates with unparalled grip. The primer remains permanently flexible and breathable while it expands and contracts as the substrate flexes with the seasonal changes in temperature and humidity. This ensures a paint job that endures 2 to 3 times linger than traditional primers.

Use on: All types of wood, Masonry, Concrete, Aluminum, Vinyl, Fiber Cement Siding, T1-11, ect.

Best project applications would include: worn, pitted, weathered substrates in both residential and commercial or industrial projects.


  • Available in quarts, gallons, and fives
  • 35% solids by volume
  • 200% elongation
  • 140 sq ft per gallon @ 4 mils dry (11 mils WFT)
  • Interior/Exterior use
  • Apply by brush, roll, or spray 
  • Back brush for best results
  • Dries high hiding, bright white and tacky to the touch
  • 200 + PSI adhesion
  • 100% Acrylic latex formula
  • Soap and water clean-up
  • <48 g/L VOC

1 Review Hide Reviews Show Reviews

  • 5
    Mad dog dura build

    Posted by Craig Blanchard on Oct 22nd 2020

    I received the paint quickly and got the painting done before the weather got cold

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