Question we have a kitchen cabinet job with a peninsula and a 3 4 granite slab.
Attach wood brace foto underside of granite counter.
Our contractors lay plywood under our granite countertops.
We have an eased edge that is 1 5 8 4 cm thick to showcase the white princess granite and to keep the design clean.
Place a wooden brace long enough to span the sink opening on the countertop.
The undermount sinks are held in place with metal anchors that are glued to the underside of the stone with a two part epoxy that cures rapidly and has incredible tensile strength once cured.
I followed the package directions with two exceptions.
Have another person underneath the countertop to tighten the machine screws into the granite and place the clips under the rim of the sink.
Mako there really should be some sort of mechanical means of attaching your sink not just caulking or glue.
Years ago when i worked at a university the method of support for undermount durcon and soapstone sinks in lab tops was by uni strut hanging by all thread from either t nuts in the sub top or right angle brackets through bolted to the side walls.
Place the sink back into the hole in the granite and pull it up into place using a string wrapped through the drain.
Under a thin granite slab top a plywood subtop is needed for support and to attach legs.
The granite sits on the wood and the bottom underneath edge of the granite just about matches the level of where the plywood is.
When installing granite countertops you will not need an underlayment of plywood if the granite has a thickness of 3 centimeters about 1 1 4 inches.
High strength epoxies anchors and clips and silicone caulk are used to attach the sink to the underside of the stone tops.
Heavy solid slabs of stone such as granite glue in place on top of the.
Place wood braces tight under the sink for support.
If the granite is installed on a floor were it will be walked on then 1 4 cement board should be placed on a solid sub floor.
Supporting a granite countertop overhang under a thin granite slab top a plywood subtop is needed for support and to attach legs.
Insert the bottom ends of two bar clamps through the drain openings in the sink.
If the garnite marble or tile is installed on a counter top the cement board in not needed.
August 7 2006.
Lift the sink into place and hook the.
Before installing granite countertops a lot of people put down a layer of plywood but can you install granite countertops without plywood.
The counter top should be plywood not saw dust board.
How to secure countertops.
First i dry fitted and marked the locations where the two grabbers would be mounted to ensure a precise fit.