Aluminium Alloy Roller Rolling Roll up Down Doors Windows Shutter

Commodity characteristics:
Aluminum alloy ventilation shutter is the upgrade product of traditional fixed single-layer rainproof shutter. In addition to retaining the ventilation performance of the original louver, the louver blades have adjustable rotation function, and users can adjust the blade angle according to the actual needs.
The common hollow double-layer flat blade planning makes the aluminum alloy flat shutter more sunshade, ventilation, heat preservation, sealing, rainproof, fireproof, anti-theft and other functions.
Aluminum alloy ventilation shutters not only meet the quality requirements of people's energy-saving requirements for doors and windows, improve the quality of people's activity environment, but also have a serious impact on national equipment energy saving and emission reduction, greenhouse gas carbon dioxide emission reduction, environmental protection and other aspects.
There are sealed slots and wool strips between the blades and the fixed bracket. When the blades are closed, the double-layer hollow structure can maintain the indoor temperature and block the outdoor high temperature. When the blades are closed, the indoor noise can be reduced by 30 dB and the energy can be saved greatly.