CAD drawings toilet drawn on top of the sewage pipe?

From the appearance, the work is good, clean and neat, and the pipe fittings are also standard, there is no problem.

If you want a PVC100 pipe below, you can use a siphon toilet, as long as the tiled pipe below has a slope, it will not be blocked, and if you choose a straight flush toilet, you need to do a P bend under it.

This depends on the layout of the bathroom. Think about the location and layout of the bathroom basin, toilet, shower, washing machine, etc. Depending on whether your bathroom is long or nearly square. >>>More

88 years of living in the house, I think your bathroom sewer pipe is a cast iron pipe, if it is normal use for about 30 years, this depends on the water quality, if the water quality is alkaline or acidic too high, the chance of bad will be faster. At the same time, it is useless to paint, if there is a small leakage such as sand hole, use the point to plug the leakage, and then use AB glue to coat a layer after drying and it can last for about three years.

You can do it with the plugging king.

After the toilet is installed, it is first treated with the plugging king, and then the focus is on the waterproofing of the ground around the toilet around the sewage pipe, and it is best to do more than two waterproof treatment of the ground. >>>More