Foshan Bohua Decoration Materials Co., Ltd.
Fully Seal and Soundproof Solution
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Fire Rated Concealed Drop Down Seal Automatic Door Bottom Seal 915mm
Features:
A concealed, automatic door bottom seal that is spring loaded to lift clear of the floor when the do or is opened.
It is acoustically designed, featuring silicon gaskets for medium temperature smoke and fire door applications.
Operated automatically by pressure against the door jamb on its adjustable strike.
lt can also be fitted into the bottom rail of a meta door by the fabricator.
Location: Fully mortised into the groove in the bottom of single and double butt-hinged door.
Installation: Fixing screws are supplied. This seal is mortised. Pre-drilled radiuses end plates are supplied which also secure the product in place. (Square end plates availableon request).
Seal: Silicon Rubber in gray color. Can change it tothe fire retadant silicone strips if need use it for Fire door, pirce is US$0.2 more expensive than normal silicone strips.
The sealing gap: 3-14 mm (012"- 0.55").
Available length: 250-2500mm.
Finish: Clear anodized aluminum
Installation instruction:
Step 1. Make sure the install direction. The end with copper bolt is near to the frame with hinges and the hermetic seal face to floor.
Step 2. Make sure the bottom seal length can fit the door:
The length of BH-M021 bottom seal should be 3-5mm shorter than width of the door if need to make the side plates implant of the door leaf. If not, the length should be same as the door width.
Step3. According to the frame and door size, cut the end without copper bolt to get the proper length.
Step4. Adjust : After installation. Open the door and turn on the copper bolt out or in to adjust the drop down parts to touch the floor slightly when the door closed.
Note: if there are too few ejections, the sealing effect cannot be reached; If there are too many ejections, it is easy to scratch with the floor and damaged the seals when closing the door, so it needs to be repeatedly adjusted to achieve the best sealing effect.
Specifications:
| Item No.: | BH-M021-915 |
| Min/Max Gap: | 3mm to 14mm |
| Finish: | Clear Anodised |
| Fixing: | Concealed, Fixed by the side plate from both side |
| Seals: | Silicone Rubber Sealing Strips |
| Fixed Part: | Stainless steel side plate with screws |
| Length: | 915mm |
| Other length can do: | Length can do custmized, from 250mm to 2500mm, |
| Length can be cutted: | 915mm - can be cutted to 800mm |
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