How to see the quality of roller shutter door from its appearance

1、好的卷簾門的排水槽和氣壓平衡孔要以交錯的位置來加工，這樣可以避免冷風和灰塵的直接進入，組裝嚴密的排水槽部分都配有密閉的蓋子，這樣可以防止雨水從孔中流入室內。

1. The drainage channel and air pressure balance hole of good rolling shutter door shall be processed in staggered position to avoid direct entry of cold air and dust. The tightly assembled drainage channel shall be equipped with a sealed cover to prevent rainwater from flowing into the room from the hole.

卷簾門

Rolling shutter door

2、好的卷簾門窗所選用玻璃需要是平整、無水紋、安裝牢固的，與塑料型材不能直接接觸，要有密封壓條貼緊縫隙。若是雙玻夾層，夾層內應沒有灰塵和水汽。

2. The glass used for good rolling shutter doors and windows shall be flat, free of water marks, firmly installed, and shall not directly contact with plastic profiles. Sealing strips shall be provided to close the gap. In case of double glass interlayer, there shall be no dust and moisture in the interlayer.

3、好的卷簾門的推拉窗窗框下部應有鋁滑軌，這樣在日常維護中會提供很多方便，方便其更換，一般情況雙滑輪的卷閘門要好于單滑輪的卷閘門。

3. The lower part of the sliding window frame of a good roller shutter door shall be equipped with aluminum slide rails, which will provide a lot of convenience in daily maintenance and facilitate its replacement. Generally, the roller shutter with double pulleys is better than the roller shutter with single pulleys.

4、觀察卷簾門的外觀顏色，如果是青白色是 的，顏色過白或發灰的話，這說明卷閘門的材質不好，材質的穩定成分不高，時間長了卷閘門會發黃。

4. Observe the appearance color of the roller shutter. If it is bluish white, if it is too white or gray, it indicates that the roller shutter is not good in material, its stable composition is not high, and the roller shutter will turn yellow after a long time.

5、卷簾門內應嵌用的鋼襯是否是的，好的卷閘門的密封條會是平整、無卷邊、無脫槽，膠條無氣味的，好的卷閘門窗的壓條、封條等輔助材料應要和主型材料配套。

5. Whether the steel lining that should be embedded in the roller shutter door is correct. The sealing strip of a good roller shutter door will be flat, without curling, without slotting, and the rubber strip has no smell. The auxiliary materials such as the layering and sealing strip of a good roller shutter door and window should be matched with the main materials.

以上卷簾門廠家為大家說明了可以通過卷簾門的顏色，所選用的玻璃，加工的好壞等方面來判斷卷簾門優劣，供大家參考，希望這篇文章能夠幫助各位選擇好的卷簾門。

The above manufacturers of roller shutter doors have explained that we can judge the quality of roller shutter doors by the color of roller shutter doors, the glass used, the quality of processing, etc., for your reference. I hope this article can help you choose good roller shutter doors.