How To Seal Shed Walls. By sealing your shed base from the inside, the water can't as easily get into the channels. Reduce vegetation growing around your shed.
If you are going to put a door in one of the side walls then proceed to step 5 for instructions on how to frame a door into this wall.
It doesn't matter how watertight your shed is, damp days mean damp air, which, unless your shed is well ventilated, means a damp shed. I have no idea what type wood this is. Learn how to seal windows and doors for winter in the steps below. When we bought the house, my husband and i were enamored with the beautiful tile floor: