If the anchors are installed too close together it can cause an interaction of the forces thus reducing the holding power of the anchors.
How to install floor anchors.
How to install concrete wedge anchors.
Use wedge anchors to fasten studs to concrete.
To install a concrete anchor a hole must be drilled in the base material.
If the bottom plate is still exposed the process is the same as if it were a new construction on an existing pad with one additional step.
As a rule of thumb the concrete anchor industry has established a minimum standard of ten 10 anchor diameters for spacing between anchors and five 5 anchor diameters from an unsupported edge.
Wedge anchors are fasteners that rely on expanding sleeves to anchor two by fours permanently.
Begin by drilling holes in the concrete with a hammer drill.
Once you ve drilled the holes you ll need only a hammer and a wrench to install the wedge anchors.
If your shed is already built on a concrete pad which is also its floor but has no anchors holding it to the concrete you can install x 7 concrete expansion anchors.
Carbide tipped drill bits that meet ansi standards must be used as they are tolerance matched to the concrete fastener.
A hammer drill must also be used because it will drill the hole correctly and is designed to break up the base material as it hammers.
In order to install them you have to drill a hole the same diameter as the anchor tap the sleeve anchor in the wall and use a wrench to fasten the bolt.