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Installation precautions and tips for door and window seals

Number of visits: Date:2018-01-13 08:46

                                     Installation precautions and tips for door and window seals


In order to tightly install doors and windows to avoid air leakage and water leakage, sealing strips are usually installed, which can be dustproof, waterproof, and soundproof. However, many people don't know much about it, especially when it comes to installation.


Door and window sealing strips are mainly used in architectural decorative doors and windows such as plastic steel doors and windows, aluminum alloy doors and windows, wooden doors and windows, and aluminum-clad plastic doors and windows. Door and window sealing strips on the market are generally formed by extrusion of PVC, modified PVC, EPDM, elastomeric sealing strips (including TPV, TPE, TPR, SEBS) and silicone. According to different purposes, it can be divided into three categories: door leaf door cover sealing strips, wool tops, and glass sealing strips (rubber strips). Door leaf / sleeve sealing strip is mainly used for sealing between door panel and door frame, while wool top is mainly used for sealing between door frame and door leaf, glass sealing strip is mainly used for sealing between glass and door leaf and frame.



Door and window sealing strip installation method

1.Glass gasket and sealing tape

Window frames and sashes should be welded and the corners should be pushed in the right direction with a special roller to push the strip into the slot of the profile, and at the same time press the head of the strip down into the slot of the profile. Because the rubber strip is an elastomer, it may shrink after being rolled. The correct method is: when the rubber strip is installed at the interface of the two ends, retract the two ends of the rubber strip to the middle and leave 2- 3 cm shrinkage margin, then cut into the slot.



2. Glass bead

Push the rubber strip into the groove of the profile manually by pressing the rubber strip with the correct surface, and then press the exposed surface of the rubber strip to press the rubber strip into the gap between the glass and the profile. The rubber strips at both ends are retracted a little to the middle, leaving a length of 1-2 cm, then cut off, and press into the slot.



Door and window sealing strip installation precautions

1. Before installing the glass, carefully remove the debris in the slot, such as mortar, brick shavings, wooden blocks, etc. When placing the glass, carefully center it to ensure that the gap on both sides is uniform, and correct and fix in time to prevent collision displacement and deviation Notch center.
2. The rubber sealing strip cannot be pulled too tight, and the length of the blanking is longer than the assembly length by 2O-3Omm. The installation should be in place, the surface should be straight, and it should be in close contact with the glass and glass notches, so that the surrounding glass is evenly stressed. The rubber strip should be broken off at the corners, and the glue should be firmly adhered at the break.
3. When sealing the glass with a sealant, the glass should be squeezed with rubber strips or rubber blocks to leave a gap for injection. The injection depth should be not less than 5mm. Before the adhesive is cured, the glass should be protected from vibration.
4. The installation part of the top is generally on the window (door) fan, around the frame fan or on the sealed bridge (wind block) to enhance the seal between the frame and the fan.
5. Top specifications are an important factor affecting sliding doors and windows and watertight performance, as well as an important factor affecting the opening and closing force of doors and windows. The size of the top is too large or the height of the vertical hair is not only difficult to assemble, but also increases the resistance of the door and window movement, especially the initial resistance when opening and the final resistance when closing.
6. The specification is too small, or the height of the vertical tops is not enough, and it is easy to get out of the groove, which greatly reduces the sealing performance of doors and windows. The tops need to be siliconized. The appearance of qualified tops is straight, the bottom and vertical hairs are smooth, without bending, and there are no pits on the bottom, which meet the requirements of 0.2mm.

Hebei Qianbo Rubber Seals Co., Ltd. specializes in the production of door and window curtain wall rubber strips, which is the best choice for door and window manufacturers! 


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