ILLUSTRATED MOSAIC INSTRUCTIONS -- HOW TO MAKE A MOSAIC
These instructions are for an indoor mosaic not subjected to excess moisture. The mosaic process is similar for outdoor mosaics
(such as pools and fountains) but thinset mortar is used outdoors instead of Weldbond adhesive. For wet mosaics such as shower floors,
you also need to use thinset. Thinset is a sticky concrete with polymers added for strength, adhesion and water
More information on outdoor mosaics, specialized topics and advanced mosaic methods can be found on our
Mosaic Information Guide.
Our FAQ page also contains additional mosaic instructions, tips on using thinset and answers to many specific
mosaic questions. It is constantly being expanded and has solutions for
many common mosaic problems. Also, here are some
tips on how to avoid disasters while
For an indoor project not subjected to moisture, it is very simple:
1. Draw a simple "cartoon" (outline) on the mosaic surface. You can copy a mosaic pattern from a
coloring book or your favorite pattern of china or fabric.
2. Decide what size mosaic tiles are most appropriate for the level of detail in the design
(don't use 1" tiles to make details that are 1/2"). Lay a few tiles down just to make sure the colors look right together.
3. Glue the tiles to the surface one at a time. Make sure the gaps between the tiles are about 1/8 inch or less.
4. After the glue cures for 24 hours, grout the mosaic with regular tile grout.
For more complicated designs, you can lay the project up on mesh (by gluing sparingly with Weldbond adhesive), or you can pick up the tiles with clear contact paper. In either case, the next step would be to spread glue or cement on the surface and press the sheet of mosaic onto the glue or cement.
See the Mosaic Tips below for more help with your mosaic.
Also, visit our Online Mosaic Instructions Guide for links to information, instructions and detailed mosaic techniques and methods. Find mosaic guides for beginners, mosaic tutorials, and
how-to mosaic guides sucha as creaing outdoor, pool, patio and shower mosaics.
The Legal Disclaimer and Copyright Information should be
read for questions regarding reproducing this information and the
responsibilities of the user. This information is not intended to be a
substitute for manufacturer's recommendations or standard safety practices such
as wearing gloves, dust masks or safety glasses.
- Start simple.
- Make a small mosaic plaque before you mosaic a wall or floor. That
way you can work out your materials and methods before the big job.
- How can you draw a design? Simple drawings like those in a
coloring book work best. The color and the details come when you add
the tile and glass. I always sketch something on paper
and then come home and draw a simple cartoon on my plywood or concrete board
using a magic marker.
- My first rule of grouts is to choose a contrasting color. If you use white grout with white tile or grey grout with grey tiles, then the tiles don't stand out from the grout, and most of the detail of your design will be lost.
- My personal second rule of grouts is that DARKER GROUTS ALMOST ALWAYS LOOK BETTER. I have almost always been disappointed when using plain white grout. White grout makes a nice mosaic look like a summer camp project! Try an off-white or light beige if you think you need a light color. Also remember that grouts are much
darker while they are wet and get lighter as they cure.
- Don't know anything about glues, grouts or tiling? Your local hardware store or handyman is a mosaic expert even though they've never made one. (You might
not know anyone who has made a mosaic, but you probably know someone who has tiled
a bathroom or kitchen. The technical skills are very similar.)
- Use a wheeled glass cutter to cut glass and smalti. Use a tile
nipper to cut ceramic tiles, china and other dishes.
- Always wear safety glasses when cutting tile or glass or mixing grout. (Grout is
mildly caustic and has sand and grit in it.) Making a mosaic can be fun but you should always be careful.
- Grout mosaics outside. It's a messy process. Look at books on
home improvement for basic techniques of grouting if you're not sure.
Keep grout damp as it cures and do not allow it to dry out rapidly,
otherwise it will crumble. Remember, the grout is binding water
internally in a chemical process as it cure. It is NOT drying.
- Keep mosaic tiles and supplies out of reach of children. Use caution
when handling the broken glass and ceramics.
- Spend a little more time on your mosaic. Don't rush and don't think about what you want to make next.
It can make a world of difference in your satisfaction.
- Avoid plywood as a backer unless you can seal the edges and bottom. Wood materials absorb water
over time and warp, and then grout and tiles pop off. You might not be trying to recreate
a timeless Roman mosaic that will endure for centuries, but at least make something that
will last 2 or 3 years. Use plywood at least 1/2" thick inside and concrete or concrete
board outside. Always use concrete or concrete board as the base of any
mosaic that will be walked on. Concrete board can be purchased from building material stores.
A common brand name is Wonderboard. For my indoor mosaics, I laminate
1/4" Wonderboard to 3/8" plywood.
- The best all-around glue for making mosaics is Weldbond. It is a
water-based adhesive that looks and handles just like plain white glue, yet
it cures stronger than many of the smelly solvent-based glues. The
manufacturer's brochure calls it "the most versatile, non-toxic,
non-flammable adhesive on the North American market." I agree. It bonds
to hundreds of different materials and is very water-resistant once it
dries. It cleans up easy with soap and water.
- If you make a mistake, don't be afraid to pry some of the tiles off if you don't like what you see. (Wear
goggles or safety glasses with side shields.)
- I always wait for a week or two before I grout a piece. That way I have a chance to change
things before they are literally set in concrete.
- Simple and crude can also be noble. It’s ok if your art has blemishes and mistakes.
That’s what makes it interesting and keeps it from looking like it was made on an assembly line.
Don't try to make it a perfect reproduction of anything, and you'll probably
be much happier with the time spent and the results.
- Avoid making copies of phony arts-n-crafts stuff.
There's way too much of that around. Make your mosaic YOUR way
and it will be genuine art in the highest sense of the word.
Legal Disclaimer and Copyright Information.
No warranty is implied by these instructions. Use at your own risk.
Please wear goggles when cutting mosaic materials or mixing grout. Mosaic
materials are often sharp. Keep out of reach of children. Do not
overload patio tables with mosaic materials so that the table becomes unstable
(top heavy). You should also make sure that the table frame can support
the overall weight. Copyright 2009 J.E. Moorman. Please link to these
instructions freely, but email us if you would like to reproduce them for
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