Quick Answer: How Much Gravel Do You Put Under A Deck?

Using 3 to 4 inches of clean or washed 3/4″ gravel under deck; it is the best rock for under deck use. The deeper stone provides a deep enough layer to allow dust to settle through but keep seeds from rooting.

How much gravel do I need for under deck?

Gravel should be spread out to a depth of 2” (50mm) over the landscape fabric under your deck. Deep enough to cover the fabric and prevent weed growth. 2” is also a nice working depth for raking the gravel. It takes about 1 yard to cover 100 square feet 2” (50mm) deep.

Should I put gravel under my deck?

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. When used beneath a concrete footing gravel prevents water from pooling up underground which reduces issues related to erosion that can compromise your deck.

How do you prepare the ground under a deck?

To suppress the growth of unwanted vegetation underneath the deck, the area should be covered with landscaping fabric. First, add a layer of coarse sand for drainage. Then cover the sand with landscaping fabric. Bury the fabric under several inches of gravel.

Can you lay decking on gravel?

The good news is, you have a few options that you can choose from. Many professional and self-made builders agree that gravel is the perfect material to place under your deck. How can you put gravel as your deck’s base? First, you will need to prepare the installation area and dig a few inches out.

Is crushed stone the same as gravel?

Gravel is similar to crushed stone because it is a type of rock, but gravel is produced naturally. If it is crushed, gravel loses its unique smooth rounded texture and becomes crushed stone. It is important to note that some contractors refer to any stone in certain size ranges as “gravel,” even if it is crushed stone.

How many ton of gravel do I need?

Length in feet x Width in feet x Depth in feet (inches divided by 12). Take the total and divide by 21.6 (the amount of cubic feet in a ton). The final figure will be the estimated amount of tons required.

Should landscape fabric go under gravel?

Should landscape fabric go under gravel? Yes. Putting landscape fabric under gravel isn’t a requirement, but it is recommended. When used under gravel, it provides all the positives of weed control and added stability, without any of the negatives.

Should I put a vapor barrier under my deck?

Do not install a vapor barrier beneath the deck. Rain may collect on the plastic and become a breeding ground for insects. Water vapor from the soil can cause severe cupping of the decking. The underside of the decking boards readily absorb moisture that evaporates from the soil.

Should you put landscape fabric under a deck?

A ground covering of landscape fabric topped with 3–4 inches of gravel is the best way to keep weeds from growing underneath your deck. The barrier will prevent weeds from sprouting and keep sunlight from reaching the soil.

Can a deck be built on ground level?

Yes, you can build a deck directly on the ground, but with some conditions. The selection of material is critical in building a deck on the ground level — not so much the decking but the substructure. The wrong joist and beam material in contact with the ground will quickly rot, making your deck, garbage.

What should I do under my deck?

8 Under-Deck Design Ideas to Fill Your Empty Space

1. 1) Add Lattice as a Deck Option.
2. 2) Skirting.
3. 3) Build a Shed Under the Deck.
4. 4) Build a Patio Under Your Deck.
5. 5) Add a Patio Swing.
6. 6) Cover the Ground in Weed Blocker Fabric and Gravel.
7. 7) Create an Under-Deck Play Area for Children.
8. 8) Completely Finish the Space.

What do you lay under decking?

All decking requires the same materials underneath the frame – ledger, joists, beams & support posts in solid footing. If you’re building an on-grade deck (a decking structure built just above the ground) then you might not need railings, features, posts or steps.

How do I get rid of standing water under my deck?

A better way to draw away water and protect the wood in your deck is to install a drainage system under the deck during construction. A quality under-deck drainage system such as Trex RainEscape is installed OVER the joists, so no water comes in contact with the wood that supports your deck.

Can you put decking on stones?

Yes it ok to go over the existing paving. Best bet if you have enough room is to set your joists on legs so they are off the paving allowing an airflow around them, most of your legs can sit directly onto the paving, but it would be wise to set some of them into the ground to stop movement in the frame of the decking.