Paintable Expanding Polyurethane Foam Spray - 0.036 W/(m*K) Thermal Conductivity, 62dB Sound Insulation

Professional expanding polyurethane foam spray with 0.036 W/(m*K) thermal conductivity and 62dB sound insulation. Features waterproof barrier, excellent adhesion to multiple surfaces, and paintable finish. Ideal for thermal and acoustic insulation in construction, industrial applications, and energy-efficient building projects.

Surface drying time 10 minutes
Application temperature 5℃-40℃
Place of Origin China
Packaging Details 750ml, 12pieces/1 carton,Container loading is determined by weight
Color off white
Shelf life 18 months
Product Description
Professional Expanding Polyurethane Foam Spray

Advanced insulation solution delivering superior thermal and acoustic performance for industrial and construction applications.

Product Overview

This high-performance expanding polyurethane foam spray features a wide-spray nozzle for rapid, uniform coverage across large areas, including tight or hard-to-reach spaces. Upon curing, it forms a seamless, moisture-resistant barrier with excellent adhesion to wood, metal, brick, and various construction materials, effectively eliminating thermal bridges.

Professional expanding polyurethane foam spray application showing uniform coverage and insulation properties
Key Features & Benefits
  • Superior thermal and acoustic insulation performance
  • Quick and hassle-free application process
  • Adapts seamlessly to irregular surfaces and complex geometries
  • Outstanding adhesion strength to multiple substrates
  • Exceptional resistance to cracking and degradation
  • Waterproof and vapor-proof barrier properties
  • Paintable, stainable, and sandable for professional finishing
  • Ideal for confined or hard-to-access zones
Application Areas
  • Large-scale thermal and sound insulation projects
  • Interior and exterior building insulation systems
  • Insulation for confined or hard-to-access zones
  • Roof and attic insulation with noise reduction
  • Garage, patio, and loggia thermal protection
  • Pipe, duct, and electrical conduit insulation
  • Waterproofing for tanks, pools, and drainage systems
  • Elimination of thermal bridges in construction
Technical Specifications
Parameter Value
Yield Approx. 1 m², thickness 3-5 cm layer
Shrink None
Water Absorption 0.9%
Thermal Conductivity λ=0.036 W/(m*K)
Sound Insulation 62 dB
Expanding polyurethane foam spray technical application showing insulation performance Professional insulation foam spray in use on construction surfaces
Performance Advantages

This insulation foam solidifies into a porous polyurethane layer that effectively blocks heat transfer, significantly reducing labor time and energy costs while ensuring long-term thermal stability for roofs and walls. The product represents a game-changing solution for energy-efficient insulation requirements across industrial and commercial applications.

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