Are you looking for the best door sealer factories in China to ensure your doors are sealed perfectly and efficiently? If so, you’re in the right place. In this article, we’ll compare some of the top Chinese manufacturers known for their high-quality door seals, helping you make an informed decision for your needs. Let’s dive in and find out which ones stand out from the rest.
Daoseal: Best manufacturer of door bottom seal in China
High Performance China Mounted Automatic Door Bottom …
Product Details: The High Performance China Mounted Automatic Door Bottom Seal (GF-B03) is designed for doors with slots in the door leaf. It features an M-type spring structure and is suitable for doors with a 34mm*14mm through slot at the bottom. The product is fixed from the wing and installed with a decorative end cover using screws. Key specifications include a length range of 330mm-2200mm, a sealing gap of 3mm-15mm, and finishes such as anodized silver. The seal uses silicon rubber in gray or black colors, and plunger options include nylon, copper, or wedge plungers. It is mounted with stainless steel brackets
and screws[2].
Pros:
– Easy installation with end cover plate or both bottom wings
– Unique M-type spring with reinforced nylon for durability
– Does not affect the overall style of the door
– Available in various lengths and sealing gaps
– Multiple plunger options (nylon, copper, wedge)
– Stainless steel bracket and screws for durability
Cons:
– Requires a specific slot in the door leaf for installation
– Limited to doors with compatible slot dimensions (34mm*14mm)
– No mention of fire rating or sound control capabilities
China Window And Door Silicone Sealant
Product Details: 100% silicone window and door sealant, formulated for both interior and exterior use. It provides a durable, flexible, and mold-resistant seal suitable for windows, doors, siding, trim, and other areas prone to harsh weather. The sealant is 100% waterproof and weatherproof, with excellent adhesion to various surfaces including metals, woods, glass, and more.
Pros:
– 100% silicone and 100% weatherproof
– Highly flexible and watertight seal
– Mold and mildew resistant
– Minimal shrinking and crack-resistant
– Excellent adhesion to multiple surfaces
– Interior and exterior use
– Protects against heat and water damage
– Lifetime or long-term durability guarantee
Cons:
– Non-paintable
– Requires thorough surface preparation before application
– May have a strong odor during application (though some are low odor)
– Not suitable for all types of plastics or metals without specific compatibility…
Retractable door seal | online at Häfele China
Product Details: The Hafele retractable door seal is designed for sliding wood doors, providing sound and/or smoke barriers. It is suitable for pocket doors and wall-mounted sliding door applications. The seal features a carrier made of aluminum, a sealing profile made of silicone, and a floor guide made of plastic with an aluminum retaining plate. The product is available in various lengths, with individual lengths up to 6,000 mm available on request. It includes an automatic door bottom, end caps, and floor guides. The soundproofing level is up to 44 dB, and it complies with standards such as DIN 4109 for soundproof
doors and EN 1634-3 for smoke control doors.
Pros:
– Provides effective sound and smoke barriers
– Suitable for various types of sliding wood doors, including pocket doors and wal…
– Complies with multiple standards for soundproofing and smoke control
– Available in adjustable lengths to fit different door sizes
– Includes necessary components such as automatic door bottom, end caps, and floor…
Cons:
– May require professional installation for optimal performance
– Limited to specific door types and materials
– Could be more expensive compared to other door seal options
China door rubber seal strip manufacturer
Product Details: The door rubber seal strip is made from durable EPDM foam rubber and solid rubber, with internal aluminum metal clips or a gripping tongue. It has a temperature range of -40°C to +120°C and is suitable for various applications including car doors, RV compartments, boat hatches, door seals, storage containers, toolboxes, and decorative trim. The product features a metal carrier (steel or wire carrier) and is designed for noise reduction, waterproofing, dustproofing, soundproofing, and windproofing.
Pros:
– Good aging resistance, lasting over 10 years.
– Excellent comprehensive physical-mechanical resistance.
– Good corrosion resistance.
– High flexibility meeting ISO standards.
– Good elasticity.
– Convenient installation.
– Enhances leakproofness and reduces wind noise at high speeds.
Cons:
– Limited customization options without specific customer requests.
– Minimum Order Quantity (MOQ) requirements may be a barrier for small orders.
– Delivery time is typically 15-20 days after payment, which may not be suitable f…
China EPDM Black Edge Protector Strip, 20m x 15 mm …
China Automatic Drop Down Door Bottom Seal Factory and …
Product Details: The Automatic Drop Down Door Bottom Seal by Gallford Sealing is designed to provide a tight seal at the bottom of doors. Key features include a four-bar linkage mechanism, making it suitable for doors with slots in the door leaf. The product is available in lengths ranging from 330mm to 1800mm and can seal gaps of 3mm to 15mm. It has an anodized silver finish and comes with stainless steel brackets and pre-mounted screws. The seal is made of silicon rubber and is available in gray or black. Optional plungers include copper, Ni, and wanplungers. The product does not affect
the overall door style and is easy to install with a through slot at the bottom of the door[1][4][5].
Pros:
– Provides a tight seal at the bottom of the door, reducing air infiltration, dust…
– Retracts when the door is open to accommodate carpets, rugs, and other floor sur…
– Available in various lengths and sealing gap sizes to fit different door types
– Durable construction with anodized silver finish and stainless steel brackets
– Easy installation with pre-mounted screws and through slots in the door
– Complies with international standards such as ISO 9001, UK CERTIFIRE, and EN BS…
Cons:
– Requires a specific slot in the door leaf for installation, which may not be sui…
– May need additional adjustments or custom sizes for perfect fitment
– The need for precise measurement and installation can be time-consuming
Window And Door Weather Strip
Product Details: Door and window weatherstripping products are designed to seal gaps and prevent air leaks, moisture, and pests from entering. They come in various types such as magnetic, bulb, Q-lon, and fin pile. These products are available for different door and window types, including sliding patio doors, swinging doors, awning, casement, single hung, and double hung windows. Installation methods include adhesive, kerf, T-Slot, slide-in, and snap-in styles. Materials range from vinyl, foam, and silicone to metal and wood-compatible options.
Pros:
– Reduces air leaks and energy loss
– Prevents moisture and pest entry
– Available in various styles and materials to fit different door and window types
– Easy to install with options like adhesive and slide-in designs
– Improves home insulation and energy efficiency
Cons:
– May require specific measurements and cutting for proper fit
– Some types can be more expensive than others
– Adhesive types may lose effectiveness over time
– Installation can be tricky for certain types, such as kerf or T-Slot
China Door Seals Manufacturers Suppliers Factory
Product Details: ERS Door Seals are designed for weather-sealing purposes. They are self-adhesive and easy to install, which helps improve household insulation.
Pros:
– Self-adhesive and easy to install
– Improves household insulation
Cons:
– No specific cons mentioned on the webpage.
Car Door Inner and Outer Belt Weatherstrip from China
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Daoseal: Best manufacturer of door bottom seal in China | daoseal.com | |||
| High Performance China Mounted Automatic Door Bottom … | The High Performance China Mounted Automatic Door Bottom Seal (GF-B03) is designed for doors with slots in the door leaf. It features an M-type spring… | – Easy installation with end cover plate or both bottom wings – Unique M-type spring with reinforced nylon for durability – Does not affect the overal… | – Requires a specific slot in the door leaf for installation – Limited to doors with compatible slot dimensions (34mm*14mm) – No mention of fire ratin… | www.gallfordsealing.com |
| China Window And Door Silicone Sealant | 100% silicone window and door sealant, formulated for both interior and exterior use. It provides a durable, flexible, and mold-resistant seal suitabl… | – 100% silicone and 100% weatherproof – Highly flexible and watertight seal – Mold and mildew resistant – Minimal shrinking and crack-resistant – Exce… | – Non-paintable – Requires thorough surface preparation before application – May have a strong odor during application (though some are low odor) – No… | www.chinasealant.com |
| Retractable door seal | online at Häfele China | The Hafele retractable door seal is designed for sliding wood doors, providing sound and/or smoke barriers. It is suitable for pocket doors and wall-m… | – Provides effective sound and smoke barriers – Suitable for various types of sliding wood doors, including pocket doors and wal… – Complies with mu… | – May require professional installation for optimal performance – Limited to specific door types and materials – Could be more expensive compared to o… |
| China door rubber seal strip manufacturer | The door rubber seal strip is made from durable EPDM foam rubber and solid rubber, with internal aluminum metal clips or a gripping tongue. It has a t… | – Good aging resistance, lasting over 10 years. – Excellent comprehensive physical-mechanical resistance. – Good corrosion resistance. – High flexibil… | – Limited customization options without specific customer requests. – Minimum Order Quantity (MOQ) requirements may be a barrier for small orders. – D… | www.hbkinglin.com |
| China EPDM Black Edge Protector Strip, 20m x 15 mm … | www.shidarubber.com | |||
| China Automatic Drop Down Door Bottom Seal Factory and … | The Automatic Drop Down Door Bottom Seal by Gallford Sealing is designed to provide a tight seal at the bottom of doors. Key features include a four-b… | – Provides a tight seal at the bottom of the door, reducing air infiltration, dust… – Retracts when the door is open to accommodate carpets, rugs, a… | – Requires a specific slot in the door leaf for installation, which may not be sui… – May need additional adjustments or custom sizes for perfect fi… | www.gallfordsealing.com |
| Window And Door Weather Strip | Door and window weatherstripping products are designed to seal gaps and prevent air leaks, moisture, and pests from entering. They come in various typ… | – Reduces air leaks and energy loss – Prevents moisture and pest entry – Available in various styles and materials to fit different door and window ty… | – May require specific measurements and cutting for proper fit – Some types can be more expensive than others – Adhesive types may lose effectiveness… | www.doorwindow-parts.com |
| China Door Seals Manufacturers Suppliers Factory | ERS Door Seals are designed for weather-sealing purposes. They are self-adhesive and easy to install, which helps improve household insulation. | – Self-adhesive and easy to install – Improves household insulation | – No specific cons mentioned on the webpage. | www.ers-techs.com |
| Car Door Inner and Outer Belt Weatherstrip from China | www.tradekorea.com |
Frequently Asked Questions (FAQs)
Frequently Asked Questions About Door Sealer Factories in China
What types of door seals do Chinese factories typically produce?
Chinese door sealer factories produce a wide range of door seals, including rubber seal strips, weather strips, door sweeps, and automatic drop-down door bottom seals. These products are made from various materials such as EPDM foam rubber, which offers excellent durability, noise reduction, and weather resistance. They cater to different applications, including automotive, maritime, residential, and commercial use.
What certifications should I look for in a Chinese door sealer factory?
When selecting a Chinese door sealer factory, look for certifications like ISO 9001, which ensures the factory follows strict quality management standards. Some factories may also have additional certifications such as ISO 14001 for environmental management and IATF 16949 for automotive quality management. These certifications indicate a commitment to quality and customer satisfaction.
Can I customize door seals according to my specific needs?
Yes, many Chinese door sealer factories offer customization options. They can produce door seals based on your samples, drawings, or specific requirements. This flexibility allows you to get products that perfectly fit your needs, whether it’s for a particular application or to match specific dimensions and materials.
What is the typical lead time for ordering door seals from Chinese factories?
The lead time for ordering door seals from Chinese factories can vary, but generally, it is within 15 workdays during both peak and off-peak seasons. Some factories may offer faster delivery options, especially for smaller orders or if you are a repeat customer. It’s always a good idea to check with the factory directly for the most accurate lead time.
How do Chinese door sealer factories ensure product quality?
Chinese door sealer factories ensure product quality through strict quality management systems and advanced testing facilities. They use various testing equipment such as tensile testing machines, gravitometers, abrasion resistance machines, and hardness machines to ensure the products meet high standards. Additionally, many factories have well-trained staff and first-class training centers to maintain high precision and efficiency in their production processes.