China Cheap Polyurethane Foam Sealant for Wooden Doors Manufacturers Suppliers Factory

Home / Products / Polyurethane Foam Sealant / Polyurethane Foam Sealant for Wooden Doors

The Polyurethane Foam Sealant for Wooden Doors Manufacturer!

Taizhou Qingkai Adhesive Co., Ltd. and our associated factory (Zhejiang Qingkai New Material Technology Co., Ltd.) are located in Taizhou, Zhejiang. which covers with convenient transportation access connecting with Ningbo Port. It is a high tech enterprise with a full industry chain integrating design, R & D, production and sales of silicone sealants, polyurethane foam agents, tile adhesives and other diversified building materials.

Pu Foam Caulking Sealant
Engineered for precision sealing and vibration control, K80 expands into a high-yield structural foam delivering quadruple-performance (gap filling, noise reduction, thermal insulation, adhesive

Why choose us

Advanced Manufacturing Capacity

Automated lines and large daily output ensure consistent quality, stable lead time, and reliable bulk supply for international projects.

Strong OEM / ODM Support

Professional R&D and flexible production systems allow formula, packaging, and branding customization for different markets and applications.

Quality Assurance

We are followed to Quality Management System requirements and our full product line conform to the C T C Weather resistant Sealant Grading requirements (25, 35, 50 levels) from China Building Materials Certification Center.

Experimental results at 23°C, 50% humidity
Testing Method:JC//T936-2004,GB/T6343-2009,GB/T10294-2008,GB/T8811-2008,GB/T8626-2007
Peformance	Measured Value
Cutting Time (Temperature 25°, humidity 50%)	30-40 min
Fire Class	B2
Tensile Strength (Aluminum plate not immersed in water under standard conditions)	119 kpa
Shear Strength (Aluminum plate not immersed in water under standard conditions)	116 kpa
Foaming Multiple (Under standard conditions, use a glue gun to prepare the sample)	33
Extended Meters (850g product, sample made with glue gun, sample width about 3cm, height about 3cm)	20m

Performance Advantages of Polyurethane Foam Sealant for Wooden Doors

Multi-Functional Characteristics: PU foam sealant combines gap-filling, bonding, sealing, thermal insulation, and sound absorption functions in a single material, making it a comprehensive building material with superior performance.

Wide Applicability: Adheres well to wood, metal, concrete, PVC, glass, and most plastics, offering broad application scope.

Low-Pressure Formula: Employs a minimal-expansion and low-pressure design, preventing window frame bending or distortion even with proper application—critical for precise window installation.

Fast Curing: Surface drying (contact dry) takes only 3-10 minutes, can be trimmed within 60 minutes, and fully cures in 8 hours, significantly accelerating construction progress.

High Coverage: Produces 20-50% higher yields compared to competing products, resulting in more economical usage costs.

Ease of Use: Single-component design allows simple application with spray guns or applicator tubes, with 30-day re-activation capability providing flexible application options.

Elastic Recovery: Offers excellent elasticity and recovery properties after curing, adapting to thermal expansion and contraction of building materials while maintaining long-term sealing effectiveness.

Applications for Polyurethane Foam Sealant for Wooden Doors

01/

Sealing Gaps and Cracks
PU foam is widely used in construction to close gaps and cracks in a building's structure. Gaps and cracks professional PU foam is a product designed to handle these spaces. It provides an airtight seal that prevents air leaks and drafts.

02/

PU Foam For Window and Door
PU foam for windows and doors is ideal for sealing gaps around window and door frames. It seals irregular gaps, enhances the insulation, and ensures no cold or hot air can enter or escape.

03/

Plumbing Access Points
PU foam is also helpful in sealing off spaces around pipes or plumbing openings, which are typically potential weak spots for air infiltration and, thus, energy loss.

04/

Dryer Vents and Rim Joists
PU expanding foam is also excellent for sealing dryer vents and rim joists, which can be useful areas to insulate, minimize air movement, and increase the building's energy efficiency.

Usage Method

1. Shake the material can up and down for one minute before use.
2. Clean and moisten the construction surface before application.
3. Invert the material can and connect it to the spray gun. Open the flow valve by turning it counterclockwise.
4. Spray from bottom to top. Spray until the volume reaches half of the required filling volume.
5. The foam will start to cure after ten minutes. Wait for one hour before proceeding to the next step.
6. Excess cured foam can be removed with a scraper. The surface can be treated with cement, mortar, paint or silicone.

Storage

Keep in the original sealed state: Store in a cool and dry place below 27 degrees Celsius. The shelf life is 9 months from the production date.
Compliance with standards: GB16776-2005
Transportation: Transport as non-dangerous goods.

Certifications

Ordering Process

Inquiryprice

Confirmation

We will provide options and finalize the design.

Payment

Upon confirmation, proceed with payment.

Sample Approval

Samples will be provided for your approval.

Production

Upon sample approval, we will begin production.

Quality Inspection

Each product undergoes a thorough quality inspection.

Shipping

We ensure timely and safe delivery.

After-sales service

Our team is always available to answer any after-sales inquiries.

Hard Packaging

Warranty: 9 months
Net volume: 300ml
Packaging quantity: 24 pcs per box

Aluminum Film Packaging

Warranty: 9 months
Net volume: 592ml
Packaging quantity: 20 pcs per box

productcate-1-1

fAQ

Q: How to Protect Cured PU Foam from UV Rays

A: Protect cured foam easily. Cover it with plaster, plaster of Paris, or polysulphide sealant (ideal for expansion joints). In some cases, apply acrylic elastomeric paints. Where appearance matters less, you can paint directly on the foam.

Q: On Which Surfaces Can You Apply Polyurethane Foam Spray?

A: Apply polyurethane foam on many surfaces. It bonds well to wood, metal, concrete, brick, and plaster. However, avoid polyethylene, polypropylene, silicone, and Teflon. These materials prevent proper adhesion.

Q: How can I get the price?

A: We usually quote within 24 hours after we get your inquiry (Except weekend and holidays). If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.

Q: Can I buy samples placing orders?

A: Yes. Please feel free to contact us.

Q: What is your lead time?

A: It depends on the order quantity and the season you place your order. Usually we can ship within 7-15 days for small quantity, and about 30 days for large quantity.

Q: What is your payment term?

A: T/T, Western Union, L/C, and Paypal. This is negotiable.

Q: What is the shipping method?

A: It could be shipped by sea, by air or by express (EMS, UPS, DHL, TNT, FEDEX and ect). Please confirm with us before placing orders.

Q: Can you provide OEM service?

A: Yes, we can produce under your own brand name.

Q: How can you guarantee the quality?

A: We have rigorous quality test system, from raw materials to finished products, the materials must be checked and signed by QC people.

As one of the most professional polyurethane foam sealant for wooden doors manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy bulk cheap polyurethane foam sealant for wooden doors from our factory. Contact us for more details.

Daily maintenance Polyurethane foam adhesive, Pu Foam Caulking Sealant, pu foam seal

Send Inquiry