Downspout Drain Lines: SDR 35 or Schedule 40? Should I use SDR 35 or Schedule 40 for my underground downspout and sump-pump drain lines? This question has been asked more than a few times and in this short article we will go over which should be used. Initially Schedule 40 looks better on paper. All […]
underground drain lines, Estimator friendly professional Tony H. If you believe you have a clogged downspout drain you can easily verify your thought by testing the drain with your garden hose, this will let you know if you need drain cleaning. If the drain is 100% clogged then it shouldn’t take long before you […]
