Hello, iam Mervin Allscheid, Have a pleasant day.
Do You Need To Seal The Underside Of A Deck? [Solved]
It is not necessary to stain the underside of your deck for protection from the elements, especially if you use pressure-treated wood, which helps keep wood-boring insects out.
Should you paint the underside (Underneath) your Deck ?
From pro to pro opinions vary. Find out the opinion of Anthony Ford -Proprietor of Kong Armor , and notorious
DIY Under Deck Roof and Drainage (Part 1) - Renee Romeo
Here is a DIY Under
Under deck waterproofing - cheap and easy
How to dry in