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Dynaflex 230 Premium Indoor/Outdoor Sealant 10.1 fl. oz. Gray
- Mfg.#
- 18286
- Sku#
- 1035534
- Great flexibility and crack-proof
- Seals joints up to 1 in W
- Easy water clean-up and low odor
- Ideal for composite wood and PVC trimboard
- Silicone tough performance
* Estimated stock levels as of Mon, Jun 22, 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
| Applicable Materials | Aluminum Glass Masonry Metal Plastic PVC Trimboard Stone Stucco Vinyl Wood |
|---|---|
| Application Method | Caulk Gun |
| Application Temperature | 40° to 100° F |
| Base Type | Latex |
| Color | Gray |
| Color Family | Black / Gray |
| Compositions | Limestone Diethylene Glycol Dibenzoate Diethylene Glycol Monobenzoate Ethylene Glycol Titanium Dioxide Silica Amorphous Quartz Carbon Black |
| Container Type | Cartridge |
| Coverage Area | 55 linear ft |
| Curing time | 1 day |
| Density | 1.43 to 1.48 g/cc |
| Dry to Touch | 2 to 4 hr |
| Flammability Rating | 1 |
| Net Content | 10.1 oz |
| Odor/Scent | Slight Ammonia |
| PH Range | 12-Jul |
| Resists | Cracks Mildew Mold Water Weathering |
| Specific Gravity | 1.44 |
| Temperature Range | -30°F to 180°F |
| Type | Multipurpose Sealant |
| Usage | For Indoor And Outdoor |
| VOC Content | 33.8 G/L |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | US |
|---|---|
| Prop 65 Warning |
WARNING: This product can expose you to chemicals including Silica, crystalline, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
|
| Shop USA | Yes |
Dimensions
| Size | 10.1 fl. oz. |
|---|
Label Information
| Certification, Codes, Standards | ASTM C834 Specified; ASTM C920 Specified; Class 25 Specified; Class A Specified; TT-S-00230c (COMNBS0)/Type II |
|---|
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