Fill in any spots where rainwater pools with either self leveling.
Build a low deck over concrete patio.
Plan the layout of your sleepers.
Check the drainage of the concrete patio.
If the damage to your concrete patio appears too far gone consult with a local trexpro.
Building on top of the concrete slab patio is not a good idea for a few reasons.
Now you are ready to deck over the low deck joist system as you would on any deck.
Cracks and craters with minimal growth may still be covered without issue but be cautious if an area of your patio sinks year after year.
You can build a raised deck over concrete base in two ways.
Evaluate the concrete s condition.
Layout the deck.
First laying deck boards on top of the existing patio without any joists to secure it from below will be free to move twist or just feel bouncy as you walk on it.
Thick pvc trim 3 16 x 3 1 4 in.
One is to demolish your concrete patio completely and then build a wooden one as the replacement of concrete base.
Concrete screws decking flashing tape plastic shims self leveling compound treated 2x4s.
Lay the joists across the concrete perpendicular to the house wall at 16 inches on center.
For a good conditioned concrete base building a raised deck is easy.
How to build a deck over an existing patio slab with low clearance.