PENOSIL Universal Strawfoam 265 is a high-performance, one-component polyurethane straw foam designed to fill, seal and insulate interior and exterior gaps, joints, cracks and penetrations. Ideal for both professional builders and DIY enthusiasts, this multipurpose insulation foam adheres to a wide range of building materials including wood, concrete, stone, plaster, metals, PVC and polystyrene.
Wood, Concrete, Masonry, Bricks, Stone, Plaster, Plasterboard, Metals, PVC, Polystyrene, Roof Tiles, EPS
Included: 1 x 1000ml Aerosol (750ml contents)
Trade Box also available - see related products
Key Benefits:- Colour: Cream
- Excellent thermal insulation (0.033 W/m·K)
- High sound insulation (62dB)
- Non-shrinking with high post-expansion
- Low curing pressure prevents damage to delicate structures
- Reduces thermal bridges and improves energy efficiency
- Strong adhesion to most building materials
- Ideal for filling cable and pipe penetrations, plasterboard joints, gaps and cracks
- Sealing and insulating gaps, cracks, joints, holes and penetrations
- Filling plasterboard joints
- Improving thermal and sound insulation
- Reducing thermal bridges
Wood, Concrete, Masonry, Bricks, Stone, Plaster, Plasterboard, Metals, PVC, Polystyrene, Roof Tiles, EPS
Why Buy This Product:
PENOSIL Universal Strawfoam 265 is a reliable, versatile solution for thermal and acoustic insulation, helping to keep homes energy-efficient and comfortable while providing a professional-quality finish.
Tags:
penosil,
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gap filler,
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thermal insulation foam,
sound insulation foam,
joint filler,
building insulation,
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energy efficiency,
draught proofing,
wall insulation,
ceiling insulation,
roof insulation,
cavity filler,
construction foam,
exterior foam,
interior foam,
pipe penetration filler,
cable penetration foam,
plasterboard joint filler,
non-shrinking foam,
low-pressure foam,
post-expansion foam,
high performance foam,
waterproof foam,
adhesive foam,
diy insulation,
professional insulation,
all-weather foam
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Disclaimer
Images are for reference only, showing products from different angles. The quantity shown may not reflect what you purchase, usually only one item is supplied unless stated otherwise.
Any advice is for general guidance only. We cannot guarantee products will meet your specific needs or usage. Please check all measurements and specifications before purchase, as we are not responsible for incorrect advice or items ordered in error. Return costs in such cases are the customer’s responsibility.

