Table of Contents
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 size wood should I use for decking frame?
Commonly used joist sizes are 2-by-6, 2-by-8 and 2-by-10. For example, when you space joists 16″ apart — which is standard for residential decks — a deck spanning 9 1/2′ would require 2-by-6 joists, a 13′ deck would need 2-by-8 joists and a 16′ deck calls for 2-by-10 joists.
What is the best base for decking?
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. Then, you’ll need to cover the area with landscaping fabric.
What do you put under decking?
A layer of crushed gravel, with or without plastic or weed barrier cloth, is the best choice for using under a deck. It sheds moisture instead of absorbing it, keeps the area under the deck drier, and won’t decay.
Can 2×4 be used as deck joist?
The short answer is yes. 2x4s can work for deck joists. However, they aren’t ideal for spanning long distances without bending or breaking, so you have some limitations. Choosing 2x4s for a low-sitting deck is perfect for keeping your feet out of the mud.
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.
Does a freestanding deck need footings?
A freestanding deck will need additional beams and footings to support the load which if attached to the house, would be supported by the ledger. A freestanding deck is better than an attached deck in that water remains away from the house.
How do you build a simple deck step by step?
Step 1: Attach the Ledger. Photo by David Carmack. Step 2: Protect the Ledger. Step 3: Set Footings and Piers. Step 4: Install Post Bases and Side Rim Joists. Step 5: Install Front Rim Joist, Beams, and Interior Joists. Step 6: Install Front Rim Joist, Beams, and Interior Joists (continued) Step 7: Attach Trim and Decking.
Should deck joists be 2×6 or 2×8?
In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists. 2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards.
How far apart should joists be for decking?
For residential decking, the joist space should not exceed 16 inches as measured on the centre. But if you want a more rigid feel for your decking, you can space the joist by 12 inches on the centre. Additionally, for commercial deckings, the standard joist spacing is 12 inches on the centre.
How many joists do I need for a 12×12 deck?
For example, a 12-foot x 12-foot deck of 5/4 x 6 pressure treated wood decking on 16 inches on center spacing of joists will require: A 12-foot long deck with joists 16 inches on center will require 10 joists.
Can you 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.
Do I need gravel under decking?
Purpose. Most deck installation companies recommend using gravel when installing a deck. Gravel provides ample drainage and prevents pools of water from lingering below the deck structure after it rains, and eroding the wood structure and foundation.
Which way should I lay decking?
The correct way to lay decking boards for most decking is smooth-side-up, with the ridges there to prevent rot and mould.
How do I keep animals from under my deck?
Dig a trench a foot deep near the opening and put in ¼- to ½-inch wire mesh or hardware cloth or strips of lattice. Use a piece that is 12 inches wider than the area you need to cover. Bend the bottom 6 inches out in an L-shape to prevent animals from digging under it. Put the mesh in the trench.
Can I use pallets as a base for decking?
Even though it may not last as long as decking planks, pallet wood is intended to be used outdoors and, if you install a quality pressure-treated timber base, it won’t rot away from below. If any planks crack over time you can simply replace them with more pallet wood for an easy, low-cost fix.
Does decking need drainage?
No matter how well you seal your decking boards, you’re likely to have water problems if the deck doesn’t drain properly. Standing water can discolor and warp the wood and promote the growth of rot and fungus. Drainage issues are best addressed when you are installing the decking boards.
