DAP
DAP Dynaflex 230 Premium Elastomeric Sealant, Clear, 5.5 Oz (7079818860)
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Highlights
- DAP Dynaflex 230 sealant is Silicone tough with superior flexibility and crackproof performance
- Dynaflex 230 Clear is a premium elastomeric latex sealant that may be painted after it dries completely clear
- Dynaflex 230 is a 100% waterproof sealant providing a weatherproof seal, clear sealant applies white and dries clear in 7 to 14 days following application
- Clear sealant seals joints up to 2" wide and performs like silicone providing a highly flexible sealant that handles joint movement without cracking
- Premium elastomeric latex sealant adheres to a wide range of building materials indoors or outdoors, such as wood, MDF, PVC, polystyrene, and composite trimboard
Why You'll Love It
- Applies white for easy visibility and dries completely clear within 7 to 14 days
- Handles significant joint movement without cracking, offering silicone-like flexibility
- Provides a 100% waterproof and weatherproof barrier for indoor and outdoor projects
- Fills wide gaps and joints measuring up to 2 inches across
- Can be painted over once it has cured completely clear
- Bonds reliably to wood, MDF, PVC, polystyrene, and composite trimboard
Pros
- +Applies white and cures clear
- +Seals wide joints up to 2 inches
- +Paintable once fully dry
- +100% waterproof and weatherproof
- +Adheres to indoor and outdoor surfaces
Cons
- -Takes 7 to 14 days to dry clear
- -Cannot be painted until completely clear
Detailed Review
DAP Dynaflex 230 Premium Elastomeric Sealant is a flexible latex caulk designed to seal indoor and outdoor joints against water and weather. It offers a practical solution for homeowners and builders who need a reliable seal that can handle building movement without cracking. Packaged in a 5.5-ounce tube, it is sized for quick repairs and targeted sealing tasks.
The sealant applies white so you can clearly see your bead during application, then cures completely clear over 7 to 14 days. It provides a 100% waterproof and weatherproof barrier that bridges gaps up to 2 inches wide. The elastomeric latex formula mimics silicone flexibility, helping joints withstand seasonal movement. Once the bead has turned entirely clear, it can be painted to blend into surrounding surfaces.
Compatibility is broad across common building materials, adhering to wood, MDF, PVC, polystyrene, and composite trimboard. The main trade-off to keep in mind is the curing time: it requires between 7 and 14 days to dry fully clear, and you must wait for this full cure before applying paint over the bead.
Verdict: DAP Dynaflex 230 is an ideal choice if you need a flexible, weatherproof, and paintable seal for wide gaps on trim, siding, or interior moldings. It fits any project where you want visible application that eventually dries to an invisible, paintable finish.
Who Should Buy It
A great fit if you:
- Need to seal wide joints up to 2 inches across indoors or outdoors
- Want a bead that goes on white for easy tracking and cures clear
- Plan to paint over your cured sealant after it dries
- Work with wood, PVC, MDF, polystyrene, or composite trim
Consider something else if you:
- Need a fast-curing sealant that can be painted immediately
- Prefer a sealant that comes out of the tube already clear
FAQ
How long does it take for the sealant to dry clear?
The sealant applies white and dries completely clear within 7 to 14 days after application.
Can I paint over this sealant?
Yes, it may be painted once it has dried completely clear.
What materials does it stick to?
It adheres to indoor and outdoor building materials including wood, MDF, PVC, polystyrene, and composite trimboard.
Product Details
| Brand | DAP |
| ASIN | B00GXJ4KUS |
