RAWLPLUG winter gun foam RPP-45-W 750 ml universal mounting foam up to 45 l per canister

RAWLPLUG winter gun foam RPP-45-W 750 ml is a winter-grade universal mounting foam supplied in a 750 ml canister and intended for professional and DIY use. The product cures into a closed-cell polyurethane foam suitable for filling, sealing and thermal and acoustic insulation. Each canister delivers up to 45 liters of cured foam and is formulated for application with foam guns at low ambient temperatures, making it usable in cold-season installation and sealing tasks.

Advantages

The RAWLPLUG RPP-45-W is formulated to work in low temperatures and offers a high yield of cured foam relative to canister volume, enabling efficient coverage of joints and cavities. Applied with a compatible foam gun, it provides controlled dispensing, good adhesion to common building substrates, and reliable thermal and acoustic insulating properties after curing. The product’s universal formulation allows use in a range of mounting and sealing applications.

Suitable for

• Filling and sealing gaps and cavities around window and door frames during cold-weather installations
• Thermal and acoustic insulation of voids, around pipes and conduits
• General mounting tasks where gun-applied expanding foam is required in low temperatures

When it may not be suitable

This foam is a universal mounting foam but may not be appropriate for applications requiring fire-rated or specially certified materials; it is not a substitute for products that must meet specific fire-resistance classifications. It may also be unsuitable for use on surfaces that are sensitive to solvents or where a non-expanding, non-adhesive filler is required.

Key specifications

• Formulation: winter-grade polyurethane gun foam
• Canister volume: 750 ml
• Yield: up to 45 liters of cured foam per canister
• Application method: gun-applied (foam gun)
• Primary uses: filling, sealing, thermal and acoustic insulation
• Adhesion: suitable for common construction substrates (wood, concrete, masonry, some plastics)

How to use

Attach the canister to a compatible foam gun according to the gun manufacturer’s instructions. Shake the canister if required, then apply from the bottom of the cavity upward in layers, allowing partial curing between passes to control expansion and avoid excessive overspill. Fill approximately 30–50% of the cavity to leave room for foam expansion. After curing, excess foam can be trimmed, sanded and finished. Follow all safety precautions, including using gloves and eye protection and ensuring adequate ventilation during application.

What to consider before purchase

• Intended temperature range for application—product is formulated for winter/low-temperature use
• Need for a foam gun and compatibility with 750 ml canisters
• Required yield per canister relative to the volume of gaps and cavities to be filled
• Surface preparation and whether substrates require primer or pre-treatment

Usage recommendations

For optimal results use a dedicated foam gun for precise dosing, apply in layers leaving space for expansion, and allow full cure before mechanical finishing. Store canisters according to manufacturer guidance and protect from extreme heat or freezing to maintain performance.