12 Oz. Multi-Purpose Foam Sealant, White

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.