Block Construction PU Heat Insulating Adhesive is a high-performance polyurethane adhesive specifically developed for bonding, sealing, and insulating in window and door installation projects.
Product Introduction
Block Construction PU Heat Insulating Adhesive is a high-performance polyurethane adhesive specifically developed for bonding, sealing, and insulating in window and door installation projects. This single-component adhesive is moisture-curing and designed to provide superior adhesion to a variety of substrates such as wood, aluminum, PVC, concrete, and glass. With excellent heat insulation, soundproofing, and durability, it is an ideal choice for construction professionals seeking efficiency and reliability.
Unlike conventional adhesives, this PU-based solution combines bonding strength with heat insulating properties, making it particularly suitable for energy-efficient buildings and modern architectural requirements.
Key Features
Strong Bonding: Exceptional adhesion to multiple substrates including metal, plastic, wood, and masonry.
Heat Insulation: Reduces thermal bridging and enhances overall building energy efficiency.
Soundproofing Effect: Helps minimize noise transmission when used around doors and windows.
Moisture Curing: Reacts with atmospheric moisture to cure, ensuring reliable bonding even in challenging environments.
Elasticity & Flexibility: Accommodates structural movement, vibration, and expansion without cracking.
Durability: Resistant to aging, weathering, and temperature fluctuations.
Easy to Apply: Ready-to-use formulation suitable for both manual and mechanical application.
Product Details
Type: Single-component polyurethane heat insulating adhesive
Appearance: Paste-like or foam-type consistency depending on nozzle application
Color: White, cream, or light yellow (customizable)
Density: Approx. 1.2 g/cm³
Curing Method: Moisture curing at ambient temperature
Open Time: 5–10 minutes (adjustable based on humidity/temperature)
Full Cure Time: 24–48 hours depending on application thickness
Temperature Resistance: -40°C to +100°C (short-term up to +120°C)
Thermal Conductivity: Low, providing effective insulation
Shelf Life: 9–12 months when stored in original, unopened packaging at 5–25°C
Applications
Window & Door Installation: Provides strong adhesion and thermal insulation in joints between window/door frames and surrounding walls.
Block Construction: Suitable for bonding lightweight construction blocks, panels, and insulating boards.
Sealing & Filling: Can be used for sealing gaps, cavities, and joints in construction projects.
Curtain Walls & Facades: Ensures stability and insulation in aluminum and glass structures.
Interior Fitting: Ideal for soundproofing and insulating around partition walls and flooring systems.
Product Advantages
Energy Efficiency: Its insulating properties help reduce heat loss, improving building energy performance.
Comfort Enhancement: Provides both thermal insulation and noise reduction for a quieter, more comfortable indoor environment.
Time Saving: Single-component, fast-curing formulation reduces labor and installation time.
Cost Effective: Combines bonding and insulating functions, eliminating the need for separate materials.
Eco-Friendly Option: Low volatile organic compounds (VOC) and environmentally compliant formulation.
Long-Term Stability: Resistant to weather changes, UV radiation, and moisture infiltration, ensuring durability in outdoor installations.
FAQ
Q1: What materials can this adhesive bond to?
A1: It adheres strongly to wood, aluminum, PVC, glass, concrete, brick, stone, and most common construction substrates.
Q2: Is this adhesive suitable for outdoor use?
A2: Yes, it has excellent resistance to UV, moisture, and weathering, making it ideal for both indoor and outdoor construction.
Q3: How does it contribute to energy efficiency?
A3: By filling gaps and providing thermal insulation around windows and doors, it reduces energy loss and improves the thermal envelope of the building.
Q4: What is the curing time?
A4: The adhesive forms a tack-free surface within 5–10 minutes, and fully cures within 24–48 hours depending on thickness and ambient conditions.
Q5: Can it be used as both an adhesive and sealant?
A5: Yes, it functions as both a bonding adhesive and a sealing/insulating material, reducing the need for multiple products.
Q6: How should it be stored?
A6: Store in a cool, dry place between 5–25°C. Avoid direct sunlight and high humidity. Shelf life is typically 9–12 months.
