Hi guys after reading and posting on this forum and with some great advice and critique.
Very low deck over concrete.
Bluemetal s low deck over concrete finished but not finished.
Or if your deck blocks are too low the joist will be suspended and over a longer distance.
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Diy decking over concrete is one of our most frequently discussed topics and today we d like to highlight two options that make installing decking over concrete incredibly quick and easy and more importantly.
1 you can build a floating deck over concrete very quickly and easily.
Below are eight reasons to build a floating deck.
In low spots where we had to stack up shims we switched to 3 3 4 in.
For this low deck application you will probably not be able to use a hidden deck fastening system because there isn t adequate room.
Layout the deck boards perpendicular to the joists.
I ve finally managed to complete my merbau 90x20mm hardwood 3 4mm gap deck over existing concrete.
Floating decks don t take as much work as a fixed deck.
They are elevated a bit above the ground and they can be moved from one area of your yard to another.
Just make sure that any low spots where the concrete has settled have stopped sinking before you start a new project on the same area.
Screwing down sleepers with concrete screws is simple but there are some things to keep in mind.
As you drill dust compresses around the drill bit.
For synthetic decking use a 16d nail to space the boards apart.
This can result in a bouncy sensation as you walk on it.
Screws should penetrate the concrete by at least 1 in so 3 1 4 in.
Allow a gap of at least 1 4 between the deck boards for additional ventilation and drainage.
Now you are ready to deck over the low deck joist system as you would on any deck.
Clean the area thoroughly mix and pour your chosen material into the sunken area and run a straightedge over the newly poured mix until it is level with the surrounding concrete.
This kind of deck takes a little work but gets easier as you go.
Check the drainage of the concrete patio.
If you use deck blocks to support 2x6 joists at various locations you have to have the elevations just right or the joist will rest on the highest deck block and not the others.