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Can you build deck over concrete slab?

Can you build deck over concrete slab?

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 build a wooden deck on top of concrete?

Introduction. Is your old concrete patio an eyesore? You can avoid the cost and mess of tearing it out by just screwing down wood sleepers and decking over it.

How do you build a raised deck over a concrete patio?

Building a Deck over Concrete Step-By-Step

  1. Plan. deck footings over concrete.
  2. Create the footings. As I see it, here you have two options.
  3. Set Deck posts.
  4. Install the Deck Rim Joists (Outside Beams)
  5. Install Interior Joists.
  6. Install Blocking for extra stability.
  7. Install the Decking.

Can you deck straight onto 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 deck posts sit on concrete?

There are several ways to set deck posts; we recommend attaching the posts to concrete footers above the ground. This helps to prevent wooden posts from rotting. Set footers a minimum of 6” below the frost line for your area to prevent movement during freezing temperatures.

Can I lay decking boards on concrete?

Can I put deck posts on top of concrete?

Deck posts set in concrete increase rot and make it impossible to replace the post in the future if it is damaged. Also, in many jurisdictions, setting deck post in concrete is illegal; instead, deck posts need to be placed above the concrete footing extending below the frost line to 6″ (150mm) above grade.

How do you build a deck over concrete slab?

– 90 linear ft. of treated 2×4 – 90 linear ft. of flashing tape – Sixty 3/16” x 3-1/4” concrete screws – 1/2”-thick PVC trim or deck fascia (for spacers), plastic shims, 3/16-in. masonry drill bits (minimum drilling depth of 3-1/2 in.)

How to install a deck on concrete?

Before you start this (or any other) digging project,call 811,A new,federally-mandated national “Call Before You Dig” number.

  • Be careful to center the hole on the position for the pier. Specification for distance between piers can be found in most books about deck construction.
  • This is the completed hole.
  • How to build a deck on sloping concrete?

    How to Build a Deck on Sloped or Uneven Ground. It’s not a bad rule of thumb to simply increase the depth of the footing one foot for every unit horizontal steeper the slope gets. Between 3:1 and 2:1 slopes, a minimum of two feet deep, and between 2:1 and 1:1 slopes, no less than 3 feet deep.

    How to build ground level deck on existing slab?

    Building Raised Deck on Solid Concrete Slab · Looking to build the deck up to the level of the top concrete pad that is existing and leave the top pad untouched. Keeping the concrete steps intact, but building a deck over them and wooden steps into the yard from the edge of the deck is my goal.

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