QA

How To Build A Floating Deck On Uneven Ground

Can I lay decking on uneven ground?

You can install decks almost anywhere, as long as there is a suitable foundation. While they are easiest to install on level grounds, you can also build them on sloped or uneven terrain. With that said, you may need to take a few extra steps in ensuring the stability and quality of your composite decking.

Does a floating deck need to be level?

A deck does not need a handrail or stairs if its walking surface is under 30 inches above the ground. However, it’s best to keep a floating deck as low as possible. Even a fall from a height of 12 inches, or so, can easily twist an ankle or cause more serious injury.

Can I build a deck directly on the ground?

Yes, you can build a deck directly on the ground, but with some conditions. A deck on the ground must be built with ground-contact wood, and the substructure needs to be adapted for minimal height. Even though technically a ground level deck is elevated up to 24”, here we will discuss decks built less than 8” high.

What are the disadvantages of a floating deck?

Cons: Usually requires more maintenance. Because these kinds of decks are typically close to the ground, you’ll probably have to deal with weeds growing-up under and between the planks. May not bring a high return-on-investment.

Will a floating deck move?

By very definition, a floating deck will move. Sitting on the surface of the ground, it is as stable as the ground beneath it. A floating deck’s movement is often connected to seasonal freezing and thawing by can also be caused by other factors. If a floating deck has good support, it will move very little.

How far should floating deck be from house?

For a deck to be free standing it really must be unattached to any other structure like a house. It can be within 3/4″ to 1″ from the siding or exterior of the house and appear like it is connected to an untrained eye but it is truly freely standing from the house.

How do you lay decking on an uneven patio?

Method 1: Cemented support posts decking base To build a decking base on sloped uneven ground: Clear the area of all grass, weeds and debris using a good quality spade. Dig 1ft deep post holes. Set the posts using post mix so that the top is at or slightly above the desired height.

How low can a deck be to the ground?

The 30” Rule As a simple rule, you need a permit for any deck that is higher than 30 inches off the ground. This rule applies to most decks. Anything lower than 30” is often considered a patio or “porch deck,” and no permit is required.

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.

How much does a ground level deck cost?

Ground level decks range from $10-$20 per square foot or about half the price of a standard style. This is because they have no stairs and often no railings. Second story decks cost from $40-$50 for additional posts and stairs. Accessibility issues can push that price even further up.

Can pressure treated wood touch the ground?

Ground-contact pressure-treated lumber can be used either above ground or in contact with the ground. Has twice the level of chemical retention and protection compared to above-ground treated wood. Must be used when lumber is less than 6 inches from the ground or has poor ventilation.

Can you lay decking on grass?

There are two ways you can lay decking on grass. Use a flat surface (a decking board or tamper is perfect for this) and place a spirit level on top to check the ground is even. If the spirit level indicates the ground is uneven, level it out with extra soil or compact the soil to flatten it out.

What is a freestanding deck?

A freestanding deck is a beautiful addition to your home’s backyard landscape. This type of deck structure is self-supported and not directly attached to your home. It’s often the most practical choice for homes with brick or stucco exterior walls, which can make installing ledger boards difficult.

Are Floating decks a good idea?

Yes, a floating deck is a good idea if the deck is low, not attached to the house or built close to trees. A floating deck will save you both time and money during construction. But a floating deck is a bad idea if the deck is tall or is attached to the house.

How many footings do I need for a floating deck?

For an 8×10′ freestanding deck, you’ll need six footings. Unless you have access to a power auger, that’s a lot of digging. After digging each hole, you will need to install tube forms into each.

Can I build a freestanding deck?

A freestanding deck can allow you a lot of freedom in terms of design. Because it is a self-supporting structure, you can build it anywhere on your property. You can build it next to your house so it can function much like an attached deck without the attachment.

Is a floating deck considered a permanent structure?

Floating decks, on the other hand, sit low to the ground and actually appear to float on two or more sides, depending on the joist system design. They rely on a structural base that’s not permanently fixed in the ground, classifying them in most communities as personal property instead of real estate.

How much weight can a floating deck hold?

A floating deck designed by code can hold a minimum of 50 lbs per square foot. Calculated as 20% being dead weight, the mass of the deck itself. The other 80% or 40 lbs is the weight you can have on the deck, people, furniture, dogs, etc.

How do you build a multi level deck?

Building a Multi-Level Deck Draw a Plan. Prepare the Site. Dig and Fill the Footing Holes. Attach the Ledger Board. Install the Beams. Install the Upper Deck Level Joists. Install the Joist Rim and Reinforcements. Place the Upper Deck Level Decking.

How many deck blocks do I need for a 12×12 deck?

Calculating Out How Many Deck Blocks for a Floating Deck Deck Dimension Square Feet of Deck Number of Deck Blocks 12″ x12″ Supporting 2000 lbs 8×8 64 4 8×10 80 4 10×10 100 4 10×12 120 6.