A sleeper system is a substructure comprising joists that sit between a solid surface (such as concrete) and the decking. Ground-level (and rooftop decks, for that matter) present unique challenges when it comes to water management and air circulation.
Why are they called sleeper logs?
The common explanation of the origin of the word is to connect it with ” sleep,” the timbers supposed to be lying at rest. The real source of the word is the Norwegian sleep, a piece of timber used for dragging things over, a roller, especially used of timbers laid in a row in making a road.
How far apart should deck sleepers be?
They should be spaced 24 inches on center. The sleepers may be random lengths because the concrete slab will support the full length of the sleeper. This can be a savings because short lengths are often less expensive.
Can you lay railway sleepers on soil?
Can you lay railway sleepers on soil? Yes you can. If you’re only creating a structure that’s one or two sleepers in height you don’t necessarily need foundations, which means you can lay your railway sleepers onto the soil.
How do you attach sleepers to concrete?
Cut your sleepers to your required length, which could be random for a rustic look. Then mix up some lean mortar, such as 6:1, to be used as a concrete base and haunching. Place at least a 50mm bed of concrete in the bottom of the trench and start inserting the sleepers, haunching them up as you go.
Can you lay decking over concrete?
An existing concrete patio will make your deck installation much easier and faster, and you can install your deck directly onto the concrete. You will want to account for water drainage and material expansion/contraction, so it is best to place boards called ‘sleepers’ underneath the deck.
Can you lay decking directly on concrete?
Decking boards must NEVER be laid directly on the ground but instead should be fixed to joists of a suitable sub-frame. In most cases we recommend installing your Alpha Composite Decking on a solid concrete base using plastic composite joists.
Can you put decking over patio?
Even if your patio is in terrible shape, you can deck over it. Cracks, craters and seasonal movement along cracks are no problem. But beware of these three situations: If an area is badly cracked and sinks noticeably year after year, any decking you put over it will also sink and develop a low spot.
Can you put decking on top of decking?
In short, yes you can. You are more than capable of placing composite deck boards over existing wooden ones in order to save time and money from building an entirely new frame.
What is a sleeper in framing?
To make low flooring framing that will conserve headroom, lay pressure-treated 2x4s (sleepers) flat and cover them with 3/4-inch tongue-and-groove OSB underlayment or exterior plywood.
What are the types of sleepers?
Based on the materials used, railway sleepers are classified into following types.
Wooden sleepers.Concrete sleepers.Steel sleepers.Cast iron sleepers.Composite sleepers.
What is a sleeper wood?
Traditionally used to lay rail tracks on, railway sleepers are large rectangular sawn pieces of timber that are now used in a variety of landscaping and gardening environments, such as raised beds, lawn and border edging, steps, pathways and retaining walls.
What wood is used for railway sleepers?
Types of wood used in railway sleepers. A variety of hardwoods and softwoods are used in wooden sleepers. Historically, Jarrah and Oak woods have been used. In untreated form, Greenheart, Mora, Karri, and Azobe woods are also commonplace, and they can last for up to a hundred years.
What is a floating deck?
A floating deck is a deck that isn’t attached to a building and they “float” above the ground. Generally, floating decks are low to the ground and don’t require handrails or even staircases. They are sometimes called “grade-level” or “freestanding” decks because they’re built just above the ground level, or grade.
