Smoke wall is a kind of building material used to block the spread of fire smoke, and its waterproof performance is very important. The smoke wall is usually composed of fireproof insulation materials and fireproof panels, so its waterproof performance mainly depends on the characteristics of these materials.

First of all, fire insulation materials usually have a certain waterproof performance, which can prevent water intrusion and affect its function of blocking smoke. This material is usually selected with higher density glass wool, rock wool and other materials, which can effectively resist moisture penetration.

Secondly, the fire-proof board, as the outer material of the smoke wall, also has waterproof performance. Materials with good fire performance are usually used, such as gypsum board, silicon calcium board, etc. These materials themselves have a certain waterproof performance, which can effectively prevent water penetration and affect the function of the smoke wall.

In addition, the vertical wall of the smoke baffle is usually treated with a special sealant during installation to ensure the tightness of the various connection parts, thus further improving the waterproof performance. At the same time, in the design and construction process, the joint treatment between the smoke wall and the building structure will be taken into account, and waterproof measures will be taken to ensure the overall waterproof performance.

In general, the smoke baffle vertical wall has good waterproof performance, can effectively prevent water penetration, and ensure its function of blocking the spread of smoke. However, in actual use, it is still necessary to check and maintain regularly, find and repair possible problems in time, and ensure the long-term use effect of the smoke baffle wall.