• Some stock photographs may show options that are not included. Please check product description.
DAP®

5.5 Fl. Oz. White Dynaflex 230 Premium Indoor/Outdoor Sealant

Mfg.#
18285
Sku#
1126663
  • Interior/exterior use
  • Meets ASTM Specification C920, Class 25
  • Adhesion to wood, MDF, PVC, polystyrene, and composite trimboard

* Estimated stock levels as of Sat, May 9, 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® DYNAFLEX 230® delivers a "Silicone Tough" latex formulation for outstanding exterior performance against the elements. Developed for flexibility and crack proof performance, this sealant endures expansion and contraction without cracking or losing its seal. The paintable, durable sealant can fill gaps up to 1 in wide and the cured sealant is mold and mildew resistant. It has excellent adhesion to a wide range of building materials including wood, MDF, PVC, polystyrene, and composite trim board. Easy to gun out, tools smoothly and can be cleaned up with soap and water. Interior/exterior use. Meets ASTM Specification C920, Class 25.

Specifications

General

Color White
Type Multipurpose Sealant

Manufacturing Details
The following information is subject to change without notice

Country of Origin US
Prop 65 Warning Warning WARNING: This product can expose you to chemicals including Silica, crystalline, which is known to the State of California to cause cancer and Methanol, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Shop USA Yes

Dimensions

Size 5.5 fl. oz.

Please choose a store for pricing and availability.

Find Your Local Store
Feedback