After the holes have been drilled into the concrete slab you should brush away any concrete dust.
Diy pergola on concrete slab.
I first started with a couple rough.
As the bolt is turned the anchors will press against the concrete for a very strong hold.
Place the anchor into position and place the anchor bolts into the holes.
These plans for a pergola on a concrete slab are very detailed and easy to follow.
All good designs start with a sketch.
How to build a pergola on a concrete patio in two days step 1.
Because this diy pergola project is made to stand independent of the house you can either locate it right near your house as we did or let it stand alone in the garden.
The first step in building the pergola is to lay out the locations of the post bases.
It s very important that your pergola or pavilion sits on a level surface.
Laying out the post bases.
However most people purchase their horizon structures pergola or pavilion as a kit to be surface mounted onto an existing concrete patio or deck with the anchor brackets we include in the kits.
Install pergola posts in the ground some of you might not have a concrete slab to put your wood pergola on.
Pergola post setting options normally a free standing pergola would be built on concrete piers sunk below the frost line.
Since the patio was in good solid shape with concrete 5 to 6 thick we took the instant gratification route and built it right on the patio.
If you can t put your posts on a concrete slab make sure to place them in the ground below the area where frost can wreak havoc.
You can also consider using wood chips or gravel as a floor or even pour a concrete slab underneath.
The redwood backyard plan.
Conceptual design and planning.
Use your ratchet to tighten the anchor bolt into the concrete.
Install the 4 post anchors using tapcon screws to the concrete slab.