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10 oz cartridge of dark bronze acrylic latex sealant

D.A.P.

D.A.P. 18420 Acrylic Latex Elastomeric Sealant 10 oz Cartridge Dark Bronze

SKU CH-40HZ-79VAX

Acrylic latex elastomeric sealant in dark bronze for windows, doors, siding and trim, paintable and waterproof with crack, mildew and mould resistance

  • Acrylic latex elastomeric formula stays flexible through seasonal movement
  • Dark bronze colour matches trim and siding for a finished look
  • Meets ASTM C920 Class 25 standard for joint-sealant performance
  • Low-odour, paintable sealant resists mildew, mould and water intrusion
  • 10 oz cartridge fits standard caulking guns for window and door applications

10 oz Cartridge Sealant for Windows and Doors

This acrylic latex elastomeric sealant comes in a 10 oz cartridge coloured Dark Bronze. It is designed for sealing windows, doors, siding and trim. The low-odour formula is paintable and meets ASTM C920 Class 25 standards.

ASTM C920 Class 25 Rating Determines Joint

The single specification that decides suitability is the ASTM C920 Class 25 rating. This classifies the sealant for joints with limited movement capability. Verify that your project requires Class 25 performance before purchasing.

Handles Exterior Gaps with Full Cure in One Day

The waterproof, weather-resistant sealant remains flexible and resists cracking, mildew and mould. It comfortably handles exterior exposure up to 180 degrees F. Full cure is reached in one day, after which the bead can be painted.

How it compares

Measured against everything we stock in Caulking & Sealing Supplies, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 93% of the 631 comparable items (median $16.99).

Specifications

Product
Brand nameDAP

Questions about this item

What does ASTM C920 Class 25 mean for joint movement once the sealant is in place?

It certifies the sealant can handle up to 25 percent joint expansion or contraction without losing adhesion or cracking.

How does the cartridge format affect the tools I need to apply it?

The 10 oz cartridge fits a standard caulking gun, so no special dispensing equipment is required.

What surface preparation or backing is needed for the sealant to bond properly?

Clean, dry, and frost-free surfaces are required; use a backer rod in joints deeper than 1/2 inch to control depth and ensure proper cure.

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