INGADA™ PU-111 Flexible Polyurethane Foam Sealant – One-Component
Flexible Polyurethane Foam Sealant
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The Problem: Standard rigid foams crack when a building settles or temperatures change, creating air and water leaks.
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The Solution: PU-111 is the “Endless Elasticity” solution—a foam that stretches and compresses like a rubber gasket to keep joints airtight forever.
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Permanent Elasticity: Cures to a flexible, rubber-like foam that absorbs movement and vibration without tearing.
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Ultimate Movement Recovery: Specifically designed for dynamic building joints, accommodating significant thermal expansion.
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Fine-Celled Insulation: Uniform closed-cell structure provides an effective barrier against moisture, air, and sound.
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Superior Adhesion: Bonds strongly to concrete, wood, brick, metal, and plastics without primer.
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Eco-Friendly Formula: Low VOC, low odor, and free of CFCs, HCFCs, or heavy-metal catalysts.
Technical Comparison
| Feature | PU-111 (Flexible) | PU-112 (Rigid) |
| Physical State |
Rubber-like/Elastic |
Hard/Structural |
| Movement |
Absorbs High Displacement |
Static/Support only |
| Ideal For |
Expansion Joints & HVAC |
Fixing & Mounting |
| Resilience |
High Recovery Rate |
High Compressive Strength |
Q：How does PU-111 differ from standard rigid PU foams?
A:Unlike rigid foams, PU-111 is permanently elastic. It cures into a flexible, rubber-like material that can absorb significant movement and vibration without tearing.
Q：Where should I use flexible PU-111 instead of a rigid foam?
A:It is best for dynamic joints, such as sealing around window/door frames in new builds, HVAC expansion joints, and perimeter joints in curtain walls.
Q：Does PU-111 provide effective insulation against air and moisture?
A:Yes. Its uniform closed-cell structure acts as a durable barrier against air infiltration and moisture, maintaining thermal and acoustic performance over time.
Q：What is the expansion yield of PU-111?
A:One 750ml can yields approximately 45 liters of flexible foam.
Q：Is PU-111 UV stable for outdoor use?
A:While it is weather-resistant, if used externally, it must be protected from UV exposure with a layer of paint or sealant to prevent degradation.
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