To install a composite deck over concrete you re going to need a sleeper system.
Laying decking on concrete pads.
A typical pad has a 4 inch layer of gravel underneath and about 4 inches of concrete on top.
Weed control fabric and gravel or concrete pads.
If you remove the existing patio or concrete slab you will have an added 5 to build your deck.
Install the sleepers directly on the concrete.
Learn everything you need to know about installing concrete footings to support your deck.
This means you will be laying decking boards literally on top of the concrete pad resulting in potential problems.
Install bracing cut from the same 2 x material you used for the joists 2 x 8 for this deck between joists in the middle of the frame to support parting boards.
Parting boards also known as pattern boards add a distinctive look and can eliminate the need to butt boards together to span the width of the deck.
The added 5 makes building a wood deck possible if you do it right along with a little bit of additional work.
Set up a sleeper system.
3 tips for building a deck over concrete in recent years it s become more and more common for homeowners to reconsider their concrete patios for something more attractive and easier to maintain.
Check out our deck footing frost map to help you understand how deep your footings will need to be excavated.
When building a landing for deck stairs typical codes require the pad to extend beyond the steps about 36 inches behind the steps about 12 inches and on the sides of the steps about 6 inches.
Spacers let you run sleepers parallel to the house so decking can run perpendicular to the house if that s what you prefer.
A sleeper system is a substructure made up of joists that sits on the surface of the concrete below the decking.
The titan deck foot anchor is a fast and easy solution for supporting any light weight structure that is floating or free standing from a house you just screw the auger portion into the ground using a lightweight hand held impact wrench and never experience any kick back.
We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads.
In this guide we ll provide you with basic instructions to help install a composite deck over concrete.
Gravel sand dirt and concrete pavers are not suitable materials upon which to install the sleepers and decking because the sleepers are not sturdy enough to span gaps as with a normal raised deck.
How to lay decking.
You could lay your sleepers directly on the concrete but we bought a 1 2 in thick pvc trim board and cut spacer blocks from it.
Laying decking is an easier job than you might have first thought.
The more planning you do and the more you understand the steps the easier the job will be.