DAP® 18836 DAPtex® Plus Latex Foam Sealant – Technical Product Information
DAP® DAPtex® Plus 18836 is a professional-grade latex-based foam sealant engineered for precision sealing applications in construction and mechanical installations. Developed specifically for use around windows, doors, and penetrations, this high-performance foam provides controlled expansion, excellent adhesion, and long-term flexibility. The advanced latex polymer formulation allows for easy tooling and clean-up while delivering superior resistance to bowing or warping of frames. Designed for efficient use by contractors, DAPtex® Plus meets rigorous performance standards for sealing, insulation, and energy management in both residential and commercial environments.
Technical Specifications
- Manufacturer: DAP® Industries
- Product Name: DAPtex® Plus Latex Foam Sealant
- Model Number: 18836
- Product Type: Multi-Purpose Latex Foam Sealant
- Form: Cartridge / Squeeze Tube
- Net Volume: 12 oz. (340 g)
- Color: White
- Base Chemistry: Water-based latex polymer foam
- Composition:
- Isopropyl Alcohol
- Ethylene Glycol
- 1-Docosanol
- Dimethyl Ether
- Propane
- N-Butane
- Alcohol C11–14-ISO C13 Rich, Ethoxylated
- Application Method: Manual or pneumatic dispensing from cartridge/tube
- Cure Time: 24 hours at standard ambient conditions
- VOC Content: 163.7 g/L (Compliant with VOC standards)
- Odor: Slight alcoholic
- Density: Medium cellular foam
- Workability: Toolable and moldable before curing
- Cleanup: Water (before cure)
- Paintability: Paintable with latex-based coatings once cured
- Temperature Range: Recommended 40°F–120°F (4°C–49°C)
- Expansion Characteristics: Controlled, non-overexpanding
- Elongation: High flexibility when cured
- Moisture Resistance: Water-resistant once cured
- Flammability: Consumer Commodity ORM-D
- Storage: Store in a cool, dry location; protect from freezing
- Compliance: Meets ASTM C920 and applicable VOC regulations
Performance and Application Features
- Engineered to fill and seal large gaps, cracks, and voids with minimal expansion
- Latex polymer foam provides excellent adhesion to wood, metal, masonry, and vinyl substrates
- Remains permanently flexible — prevents distortion of window and door frames
- Water-resistant and paintable after curing for long-term durability
- Toolable surface allows for precise finishing and shaping during installation
- Non-toxic, low-odor, and environmentally responsible formulation
- Compatible with standard construction materials and finishes
- Does not require special solvents for cleanup; water cleanup prior to cure
- Stable formulation ensures consistent extrusion and expansion control
Professional Summary
DAP® DAPtex® Plus 18836 Latex Foam Sealant delivers professional-grade performance for sealing and insulating construction assemblies where flexibility, adhesion, and precision are required. Unlike traditional polyurethane foams, this latex-based system prevents overexpansion and remains resilient after curing, maintaining seal integrity around moving substrates such as windows and doors. The water-based composition ensures ease of application, fast cleanup, and compatibility with painting and finishing systems. Ideal for contractors working in HVAC, glazing, framing, and general construction, DAPtex® Plus provides a durable, controlled-expansion seal that meets modern building performance standards.
