PLEN Playground - Forum

Airtight performance comparison Plastic steel doors and windows due to the box, the fan is welded, so its airtight should be slightly better than the aluminum alloy doors and windows screwed, but the aluminum alloy window profiles higher dimensional accuracy, box, fan with more stringent. Insulation performance comparison Broken bridge aluminum insulation properties as good as plastic doors and windows, and aluminum alloy window frames occupy the entire window area is about 10% smaller than the plastic doors and windows, and then aluminum door and window frame fan is not solid, and hollow aluminum wall thickness ( The actual thermal bridge) is 40% smaller than the plastic profile wall thickness. Fifth, the comparison of sound insulation performanc The acoustic performance of the window mainly lies in the sound insulation effect of the glass accounting for about 80% of the window area. Broken bridge aluminum doors and windows and steel doors and windows gap sealing level is basically the same, its sound insulation performance is basically the same.
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