Gravel Under Deck

Gravel is a good material to place under outdoor structures because it allows water to drain and doesn t decompose.

Gravel under deck. The use of gravel secures deck footings pressure treated wood columns that serve as part of the deck s support structure. The use of gravel secures deck footings pressure treated wood columns that serve as part of the deck s support structure. It prevents erosion weeds keeps moisture away from the underside of the deck and looks much better than mud or weeds. Compacted gravel around wood posts allows for adequate drainage and keeps water away from the wood which helps to prevent rot and extend the life of the deck.

The best gravel for use under a deck is crushed stone. When used beneath a concrete footing. Hopefully you have a better understanding of why you should put gravel under your deck and why it is the better choice. Crushed gravel patio is composed of crushed stones or a type of construction aggregate which is usually 1 inches to 2 inches in diameter.

If you build your deck with wet wood also called green timber then you re likely to be left with large gaps in the deck when the wood dries. Say you want 3 which is 25 of 1 foot. Gravel if the area under your deck or stairs will collect water or is prone to gathering moisture an inorganic mulch such as gravel crushed rocks or river rocks is best. Dig a hole of at least 36 inches.

Crushed stones are produced by breaking down a specific rock such as granite limestone marble or trap rock into a desired size. You need to multiply the width times the length to get square footage in your case 320 sq. Place about 6 inches of gravel into the hole along with a wood footer plate. Using this formula you.

Place about 6 inches of gravel into the hole along with a wood footer plate. Position the columns in an upright position. Ft and then decide how deep you want it. Position the columns in an upright position.