What Lies Below - Bathroom Floors and Tiling

This article and others that follow will be devoted toYou have to create a level surface or the tiles will
home repair and improvement dealing withdifferentcrack or break. Most ceramic floor tile is ¼
areas from roof to basement."thick so you will have up to ¾" added to the
If you are going to re-do the bathroom floor - thisold floor assuming you had plastic tile or vinyl to begin
means taking up your tile, sheet vinyl, or ceramic tilewith. You will be offsetting the height of the old
and underlayments you should make sure there arefixtures and the door so a bit of trimming may be
no signs of water damage to the subflooring andnecessary (If you are replacing fixtures-no problem).
check to see if it is solid throughout. When layingFor tiling bathroom floors these steps will give you
down a new floor the main question is always 'can Igreat results:
lay tile over the existing floor or do I have to pick up* Using a 3/ft level check if the floor even
the old one first?'throughout.
If the floor is level and sound you can usually just tile* Lay out a row of tiles, with spacers (cross shaped
right over it with plastic or vinyl flooring,but keep ininserts for grout lines) along the length and width of
mind how much room you have for the bathroomthe room to gauge how many tiles you are using.
door, door frame and wall molding (if any) -you mayThis is also to see how many tile cuts you will have
have to open or close the door from time to time!to make near walls.
If the underlayment is solid but not quit level you can* Lay down cement board, cut to fit area and use a
use leveling embossers (like mortar) to fill-in low spotssmall layer of mortar to attach board to subflooring.
to make a level surface, otherwise place a newUse screws every 6 to 8 inches along the edges of
¼" underlayment over it, if you can. I haveboard to secure in place. Use mesh tape over the
seen home owners 'doctor it up' with thin plain woodseams and cover with a thin layer of mortar.
strips - don't do it! All materials must be water and* Using a trowel apply mortar about every 3 1/2' at a
moisture resistant as possible. Always use at least atime and use smooth even strokes.
3ft level to insure surface is not slanted in any way.* Set the full ceramic tiles at a point furthest from
For a typical ground level home like a ranch with nodoorway and press down firmly, tapping it with a
basement, floor foundations are 'framed', meaningrubber mallet so it spreads evenly. Have the cut tiles
the floor sits on joists with 2-by's (stills) runningready so as you move away from the wall place and
perpendicular to the joists along the foundation.set as you go.
'Girders', (metal rods) at or near the center of the* insert cross shaped spacers on end between each
joists help in support. Above the framing lays thetile to insure rows are even. At corners lay spacers
subfloor, typically a 3/4" tongue and groove particleflat and butt tiles at the angles (don't worry, it will be
board, plywood or similar material. Above that theresame with). You can also stand the spacers upright
is a1/4" plywood or cement board (moistureagainst walls.
resistant) that's called the underlayment and may also* When you get to the closet flange (toilet hole in
have a sheet of roofing felt or similar material forfloor) you will need a tile nipper or tile saw to cut a
added cushioning. Take extra caution when layingpartial circle. Do this for all sides and lay tile down as
underlayment over the subflooring because the floorbefore. You must do this also for sinks and cabinets.
may crack if the seems match up so it's best to* When all the tiles are down you must wait a least
stagger the seams.one day for it to 'set' properly - this is an important
Ceramic Tiles: Because this type of tiling has becomestep before you put down the grout. When ready,
popular in kitchens, bathrooms, halls and even livingmix tile grout to cover about ¼ of the room at
rooms for its durability and style, I want to devotea time, this will give you time to do to right. Take out
this section on the subject.the cross spacers and apply grout with a grout float,
Installing ceramic tiles in the bathroom will alter thethen holding float at an angle squeeze off excess
height of fixtures like toilets, vanity sinks andgrout. Do this with step with the rest of the room.
cabinets as well as the door and adjoining room it is* The last step is to dampen a clean sponge with
best to remove everything and start from scratch.water and wipe off the access grout, rinsing the
This means removing the old underlayment as well.sponge often.