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Anonymous users2024-01-24Yes, the hood of the general community is higher than the roof, the method is very simple, as long as a galvanized round steel needle higher than the hood is erected on the lightning protection belt next to the hood to protect it.
This should be divided according to the actual situation. Some people didn't install it, and some people were safe. The key is what your actual situation is. Actually, it's better than nothing.
Ventilation ducts and flues are generally completed during civil construction. The size of the vent of the ventilation duct and flue is 160mm. Jiuzheng Home Network believes that PE or PPR pipes are generally used for water pipes, with a pipe diameter of 20mm, a two-way sewerage, a wastewater pipe PVC of 50mm, and a sewage pipe of PVC110.
1. The kitchen flue is generally reserved with the masonry of the wall, and the outside of the flue is generally flat with the inner wall plane, and it is also displayed as a small protruding plane column. When the interior is decorated, the outside of the flue is either plastered with mortar or tiled, and most of them are decorated with the main wall. >>>More
It is not expensive, even if the best Wanju transformer air pull-out five-proof exhaust system is less than 1,000 per household. It's not even more expensive than a house. But the effect must be good, otherwise it is equal to white clothing.
The kitchen flue on the top floor cannot be repurposed.
The main flue is designed to be vertical, because the principle of air heat rise and cold fall is adopted, forming the principle of natural wind pipe, giving the flue an effect of pulling out the air, which is conducive to flue gas emission. If it is changed to bending, it will definitely have a detrimental effect on smoke exhaust. >>>More