Master Well sponge dock seals create a weather-resistant, airtight workspace between the building and the truck that allows for air circulation while effectively keeping out birds and insects.
Technical Parameter | |
Tensile Strength | 250N/m㎡ |
PVC Curtain Board | 3.6kg/㎡ |
Tensile | More than 550N |
Working Temperature | -35℃~+70℃ |
Unit Weight | 0.4kg/㎡ |
Color | Black or customer-tailored |
Maximum Size | 2800mm × 3300mm (or Custom Sizes) |
Suitable Door Opening Dimensions | W: 2200mm–2400mm H: 2700mm–3000mm |
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With superior sealing performance, Master Well sponge dock seals help reduce energy consumption; they are made from wear-resistant polyurethane fiber and are suitable for a wide range of temperatures.
In addition to sponge dock seals, we also offer mechanical dock shelters and inflatable dock seals; colors and dimensions can be customized. We provide one-stop service and welcome your inquiries.
Master Well Sponge dock seals are widely installed at the loading bays of cold storage warehouses, food and beverage plants, pharmaceutical distribution centers, cleanrooms for electronics, and manufacturing facilities with standardized trailer sizes. They provide a tight thermal seal that minimizes energy loss while blocking the entry of dust, pests, and outside air during loading and unloading operations.
A1: A dock seal (foam dock seal) consists of high-density compression foam pads wrapped with heavy-duty PVC fabric, mounted on both sides and the header of loading bay openings. When a trailer backs in, it presses against the foam pads to create a tight air seal between the trailer and the warehouse. It is widely used for cold storage, food, and pharmaceutical warehouses.
A2: Dock seal uses fixed foam pads that rely on compression for tight sealing, best for consistent trailer sizes and cold rooms. Dock shelter uses flexible canvas curtains with spring frames to wrap trailers. It tolerates big variations in trailer height/width, but the thermal seal is not as tight as foam dock seal.
A3: Yes. Dock seal delivers superior airtight performance, minimising hot air infiltration and cold loss. It is the preferred option for refrigerated loading bays where trailers are mostly the same size. If your site receives many different trailer heights, a dock shelter or inflatable seal may be better alternatives.
A4: Foam dock seals work best when incoming trailers have limited variation in width and height. They cannot accommodate extremely mismatched trailer dimensions. Large or much smaller trailers may leave gaps, which reduces sealing efficiency. Measure your most frequent trailer sizes before ordering.
A5: The core is high-resilience polyurethane foam. The outer cover is heavy-duty abrasion-resistant PVC-coated fabric. Optional scuff guard layers can be added to increase wear resistance at the contact face.
A6: Under normal usage with consistent docking, service life is 5–8 years. Lifespan depends on docking frequency, driver accuracy, weather, and whether trailers hit the pads hard. Regular inspection and cleaning can extend service life.
A7: Yes. Properly installed dock seals block rainwater, wind, dust, insects, and pests from entering the loading bay during loading/unloading. This also helps facilities meet food safety and GMP hygiene requirements.
A8: Yes. We can custom-cut pad dimensions, adjust foam thickness, and add accessories such as wear pleats, bumper matching pads, and sloped header pads to fit non-standard door openings. Please provide door dimensions and bumper projection for a quotation.