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Durajoint® Construction Sealant/Adhesive

Brand: DCA Construction Products, LLC

Durajoint® Construction Sealant/Adhesive is a one-component, low-modulus, moisture curing, advanced polymer adhesive and sealant. 

The product’s one component design ensures that it cures rapidly when exposed to atmospheric moisture to form a durable bond, and can be applied in a wide range of temperature and weather conditions (-40°F to 140°F). 

It is engineered to deliver aggressive adhesion with the most common construction substrates while ensuring complete compatibility – even with rubberized asphalt flashing and other flexible plastic building materials. 

These unique features make it a sealant of choice for professionals everywhere. Compatible with SBS flashing. Paintable in 2 hours. Solvent Free. Low VOCs.

Specifications

Skin Time

  • Less than 20 minutes @ 77° F / 50 % Relative Humidity

Tack Free Time

  • Less than 1 hour @ 77° F / 50 % Relative Humidity

Cure Rate

  • 1/4” Bead per 24 Hrs.

VOC

  • 9 g/L (0.14 %)

Elongation at Break

  • 300 % - 400 %

Shore A

  • 35 ± 5

Movement Capacity

  • 25%

Lap Shear

  • 190 psi

Tensile Strength

  • 205 psi

Staining

  • None

Low Temperature Flexibility

  • Retained as Low as -90° F

High Temperature Flexibility

  • Retained as High as 425° F

Modulus of Elasticity; Internal / Modified ASTM D412

  • 1.24 N/mm

Sag/Slump; Internal/modified ASTM D2202

  • Minimal, ~ 0

UV Rating; Internal

  • No discoloration or change in appearance after 12 months of UV

  • Roofing 
  • Siding
  • Windows
  • Doors
  • Concrete & Masonry 
  • Metal Buildings
  • EFIS
  • HVAC
  • Marble/Granite

Documentation

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