The corner base cabinet sets the trend for all of your other base cabinets so take the time to do this step well.
Install cabinets when floor isn t level.
Shim beneath the cabinet to align it with the top of cabinet line you drew on the wall.
Measure the distance from the floor to your laser line.
Join the island cabinets and set them in place.
Cabinets that make up islands and peninsulas need to be secured to the floor.
Without a level cabinet any solid surface counter top have an increased chance of cracking.
If the floor isn t level find the highest point in the floor along the wall where the cabinets will be installed.
It s best to try to start the base cabinet installation as close to this high point as possible it s easier to shim under the cabinets on the lower spots to make them level with this first one rather than starting on a low point and having to trim the bottoms of the cabinets.
Set your laser level according to the height of the base cabinets.
But installing your cabinets level and plumb does not correct the floor that the 900 lb subzero is going to sit on.
Having level cabinets will give your new kitchen a professional look.
Measure around the entire perimeter of the room using your tape measure.
So for newer houses i would say that it is a must for plumb and level and for 150 yr old houses you sometimes need to make decisions that may or may not be plumb.
Use 2x2s to secure cabinets to the floor for kitchen island installation.
Reading the forum it seems like the right way to install cabinets is at the finished floor height not directly on top of the subfloor.
When determing how to install base cabinets on uneven floors check for level and plumb and add shims until the cabinets are at the same level.
Laminated floors cabinets generally get installed first and finished molding is installed around the edges of the toe base areas to cover up the voids.
This allows the floor to be installed after cabinet installation maximizes dishwasher headroom etc.
Obviously you will have to shim the floor for that to happen.
Linoleum installation of the floor is done after the cabinets are in place.