How To Raise A Garage Floor. Alternatively if levels permit a new timber floor could be constructed over the existing concrete floor. If you have the height to raise the concrete floor 15 inches you can use a pea-stone concrete mix and pour a new floor over the existing one.
If there is noticeable movement in the existing concrete floor up or down you probably have air pockets between the bottom of the concrete floor. Heres how you can lay out your framework in a way thatll make your raised floor last. It may also be desirable to change the level of the floor to match the levels in the existing home.
This establishes a line used to level the floor plate as it is attached to the floor.
Might be missing a trick here but I would have thought you need to create an airspace below the floor to aid air circulation and prevent damp. If your existing floor is pretty flatthen 2x4 PT lumber on edge would make for a decent floorit would also make for a thermal barrier to help with floor temp. Might be missing a trick here but I would have thought you need to create an airspace below the floor to aid air circulation and prevent damp. Use wood shims as necessary to raise the floor plate to.
