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Jason zg 发表于 2023-2-12 22:11
没有,cavity都是在外墙底部有通风口可以和外界通气,不是靠外墙的缝隙通气的,不管是weatherboard还是别 ...
Bevel-back weatherboards are known as a reasonably air leaky cladding system. Even when the boards are direct-fixed, air can penetrate the assembly at the laps and circulate within the voids created by the lap at the back of the boards. Water that leaks into the assembly can drain down the back of the boards and, in some cases, out through the laps or be dried by the circulating air.
Because they allow air to enter and water to drain or dry, bevel-back weatherboards are considered a robust cladding system with good weathertight performance.
https://www.weathertight.org.nz/ ... weatherboards/#h3-3 |
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