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| Base Technology | Polyurethane |
|---|---|
| Tack Free Time | 5~10 mins |
| Curing Time | 30~60 mins |
| Yield (Output Vol.) | 65~70 L |
| Shrinkage | No |
| Flammability Class (DIN 4102) | B3 |
| Application Temperature Range | +5°C ~ +35°C |
| Temperature Resistance Once Cured | -30°C ~ +80°C |
| Shelf Life | 12 months |
LOTFIX Construction Mega PU Foam is a building-use polyurethane expanding foam for door and window installation, wall gap filling, pipe opening sealing, construction joint filling and cavity insulation support.
It is designed for construction sites where larger openings, uneven gaps and building cavities need to be filled quickly and firmly. After application, the foam expands into the space and cures to form a stable filling structure for common building sealing work.
• Used as construction PU foam for frame gaps, wall openings, pipe penetrations and building joints.
• Mega foam output helps cover wider gaps and larger filling areas in construction work.
• Expands into irregular cavities, cracks and holes where ordinary sealants are difficult to apply.
• No-shrinkage curing helps keep the filled area firm after the foam sets.
• Gun-type application supports controlled dispensing for job-site filling and sealing tasks.
This construction expanding foam is suitable for multiple building scenarios where gaps, cavities and openings need filling, sealing or insulation support.
• Door and window installation foam: fills gaps around frames and improves perimeter sealing.
• Wall gap filling foam: seals uneven gaps, cracks and construction spaces in wall areas.
• Pipe opening sealing foam: fills spaces around water pipes, cables and service penetrations.
• Cavity filling foam: expands into holes and empty spaces inside regular building structures.
• Building insulation support: helps reduce air leakage and supports basic heat and sound insulation around openings.
| Product Type | Construction mega PU foam / building PU expanding foam |
| Base Technology | Polyurethane |
| Application Type | Gun type |
| Tack Free Time | 5–10 minutes |
| Curing Time | 30–60 minutes |
| Yield | 65-70 L |
| Shrinkage | No |
| Flammability Class | B3 |
| Application Temperature | +5°C ~ +35°C |
| Temperature Resistance | -30°C ~ +80°C after curing |
| Shelf Life | 12 months under recommended storage conditions |
The above data is based on standard testing conditions. Actual performance may vary depending on temperature, humidity, gap size, can specification and application method.
LOTFIX supports construction mega PU foam customization for building material distributors, importers, contractors and project buyers. Can size, gross weight, gun type, carton packing, label design and private brand packaging can be adjusted according to construction market positioning.
This product is suitable for customers who need a building-use expanding foam line for door and window installation, construction gap filling, pipe opening sealing and project supply channels.
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