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DAP®

Dynaflex Ultra10.1-Ounce Black Ultra Advance Exterior Caulk

Mfg.#
18220
Sku#
1894682
  • Powered by WEATHERMAX technology for long-lasting, All Weather Protection
  • Paint ready & rain ready in 1 hour
  • 100% waterproof & weatherproof seal
  • Lifetime mold, mildew, & algae resistance guarantee
  • Seals joints up to 1 inch wide

* Estimated stock levels as of Fri, Apr 10, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Dap® Weather Max Technology™ Dynaflex Ultra™

Powered by innovative Weather Max Technology™ for long-lasting, All Weather Protection. This premium latex formulation provides exceptional UV, mold, mildew and algae resistance, as well as a durable, 100% waterproof seal that stands up to the elements. It stays permanently flexible to endure expansion and contraction caused by sun, heat, cold, wind and rain.

Specifications

General

Appearance Gunnable, non-sag paste
Applicable Materials Window, Door, Siding, Trim
Application Temperature 40-Degrees F to 100-Degrees F
Color Black
Color Family Black
Container Type Cartridge
Coverage 55 linear feet at 3/16 in diameter bead
Density 1.30 - 1.32
Flammability Rating 0
Flash Point >212-Degrees F
Form Paste
Indoor/Outdoor Indoor/Outdoor
Mildew Resistant Lifetime Mold, Mildew & Algae Resistance Guarantee
Moisture Resistant Yes
Odor/Scent Very Slight Ammonia
PH Range 7.0 - 12.0
Pack Qty 1
Paint Ready Time 1 hr
Paintable Yes
Service Temperature -30-Degrees F to 160-Degrees F
Shelf Life 12 months
Type Caulk
VOC Content 19 g/L
Vertical Sag 0.05 in
Water Ready Time 1 hr
Working Time 10-15 minutes

Manufacturing Details
The following information is subject to change without notice

Country of Origin US
Prop 65 Warning Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Shop USA Yes

Dimensions

Size 10.1 oz

Label Information

Certification, Codes, Standards Meets ASTM C920, Class 35 and complies with AAMA 802.3 Type 1, AAMA 803.3 Type 1 and AAMA 808.3 Type 1. VOC compliant

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