Preparing to Install Bathroom Vanity Cabinets
Why do you want to install bathroom vanity cabinets?
Perhaps you are fed up with your existing bathroom sink. It may be old, unattractive, or you may just prefer the advantages of the extra storage and workspace that bathroom vanity cabinets provide.
If you are a reasonably competent do-it-yourself, installing a vanity should be well within your abilities and probably won’t take more than a day or two to do.
Disconnect Water Supply
Assuming that there is already a sink in the place you want for the vanity, you’ll have to remove it before you start installing the new one. Then you need to prepare the space for it.
The first thing is to disconnect the water supply to the sink. You will have to close off the main water supply to the bathroom and drain out the water already in the pipes before you begin.
Now you can uncouple the plumbing with an adjustable wrench. Put a bucket under the trap to catch any water still inside when you remove it. If you are removing the existing water supply pipes and drain pipe, you should try and leave nice long stubouts protruding from the wall. They are easier to work with if they are not too short.
You may need a utility knife to loosen the caulking sealing the existing sink to the wall. There may be bolts or brackets to be removed and then your old sink should come free and you can remove it.
Have a good look at your bathroom vanity cabinet and see where it needs to be fastened to the wall. You will need a corresponding strip of wood set between the wall studs inside the drywall to secure the vanity.
You may need to remove a piece of drywalling to set this in place and fasten it. Then, marking the position of the batten, replace the drywalling. Depending on how much damage has been left, you can fill in holes, smooth rough surfaces and paint or retile. Also make sure your floor is level. If necessary, allow everything to dry overnight. Now you are ready for the new bathroom vanity cabinet.
Installing Bathroom Vanity Cabinets
It is probably easier to install the faucets and drain hardware to the sink before you set the vanity into position. It is easier still if the countertop is removable and you can loosen it and turn it over. Normally you will receive an instruction pamphlet when you buy the hardware for your vanity.
Follow the instructions to install the faucets and the drain. Insert the faucets into the holes in the sink and tighten them with a wrench. Attach the flexible supply lines. Using a generous amount of silicone sealant, install the drain fitting to the basin, tightening up the washer underneath to make a good seal. Now you can attach the drain trap as well. Turn the counter top over and fasten it into its place on the vanity.
Now you need a spot of real accurate measuring! Measure your new bathroom vanity cabinet. Mark out these dimensions on the wall in its new position. Mark the positions of the screw holes to attach the vanity to the wall, and then drill the holes in the wall. Now mark the positions of the plumbing stub outs on the back of the vanity. Using a hole saw, cut out the holes for the stubouts. If you don’t have a hole saw you could, instead, drill a hole just inside the circle you have marked for the pipe, and insert a saber saw to cut out the holes. Make them slightly larger than you need to allow for adjustments when you level the vanity.
You should be able to move the vanity into position now. Using shims if necessary, level your vanity. Fasten it to the wall.
Now you can install the water inlet hardware and the drain pipe inside the cupboard of the vanity and link up the plumbing from the faucets and the drain trap. It is so convenient to have shutoff valves at your sink inlets. You should consider installing them for any future work on the faucets.
Finish off your bathroom vanity cabinet installation by carefully caulking the edges of the vanity and the back splash to the wall tiles. This is often more tricky than it looks, and you can end up with rough, uneven caulking around the edges. You can stick strips of masking tape on either side of where you want the caulking to be. Then apply the caulking from the gun in between these strips. Now smooth the bead carefully with a damp finger. When you remove the masking strips you should have nice straight, smooth caulking. This little finishing touch can make your job look really professional.
Bathroom Cabinet Design
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