The Spruce on MSN19d
7 French Drain Mistakes That Are Ruining Your Lawn (and How to Fix Them Fast)
A 1-percent slope means that it drops 1 foot vertically for every 100 horizontal feet. Example A 50-foot French drain that starts at the correct depth of 18 inches would be 24 inches deep at the ...
Homes & Gardens on MSN1mon
How to add drainage to a deck that is already built – decking experts reveal how to do it without ripping up all the boards
After that, attach drainage panels or troughs to the supports to achieve optimal slope angle. Install the gutters at the low ...