PVC or corrugated pipes can be used in this application. To install this underground downspout extension, you'll need to dig trenches (or hire someone to do it) from the downspouts to the terminal ...

Water puddling around a foundation from an ineffective downspout can create major problems, ranging from damp basements to structural damage. It’s worth finding a system that works for you. Here are ...

Smooth 4-inch-diameter plastic SDR-35 sewer pipe is the material I prefer to use. This pipe has a smooth interior and closely resembles the thick-walled plastic piping used for interior house ...

Glue the wye, one of the short pieces of pipe, and the downspout adaptor together using PVC primer and adhesive. Insert the downspout into the adaptor, and lock it in place with a sheet metal ...

You can now buy a schedule 40 PVC pipe that has the same dimensions as traditional PVC but is lighter weight. It’s called cellular PVC. It passes most codes and may work for you in your new room ...