Acquire an empty 5-gallon drywall bucket, 1- and 4-inch-diameter PVC pipe, a 4-inch flat PVC end cap, pipe fittings to reduce the 4-inch diameter down to 1 inch, a 1-inch tee fitting, PVC solvent ...

1. Cut a piece of 4-inch PVC pipe to about 12 to 14 inches long, measured to the longest point of the roof slope. We cut an angle of about 30 degrees, but any angle from 10 to 40 degrees will work.

Our options range from being able to cut 3/4 inches up to 4.5 inches. Another factor to consider is how much pipe you’ll realistically be cutting—is it a one-time project or are you a ...

Make Square Cuts for Strong PVC Joints Make an improvised guide by screwing together scraps of 2×4. Saw using a handsaw with a blade that’s 3 or 4 inches wide. Note: Square pipe ends fit snugly ...