The pipe of the kitchen flue of the townhouse is lengthened by about 3 meters, which is lengthened h

It's too long, and the air resistance is too great. Affects the flue gas of the machine. No.

As long as the diameter and slope of your pipeline are satisfied, it will not be blocked under normal circumstances.

I want to lengthen the kitchen counter table, is there any wayRenovation life problems. According to your description, you need to buy the same marble countertop as the original, and the marble will be picked up, and the carpenter will play the cabinet below.

The flue (if it is a kitchen exhaust flue) is for exhausting oil fumes. So it's definitely okay for you to vent in. However, if your exhaust fan is not suitable for buying, it cannot be discharged, the flue is common to the whole building, generally double-barrel, compartment opening, when others open the range hood, if the pressure of your exhaust fan is less than the pressure in the pipe, the exhaust air volume becomes very small. >>>More

Most of it is rainwater coming in from the exhaust pipe outlet on the roof. It's easy to determine, 1 If the water leaks after the wind and rain, it is the rainwater coming in from the roof exhaust pipe. 2 If it rained before but you are sure that there is no wind and rain, and it is still leaking, it may be one or two rooftops.