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Build an Outdoor Table With Tile Top and Steel Base

Construct a small, round tile top patio table with a tiled plywood and cement board top and hand-bent metal legs.

FH05JUN_WTABLE_01-6Family Handyman
This tile top patio table is simple to make, but it's engineered to hold up in any weather. All the materials are available at home centers, you don't need any special tools to make it and you'll save lots of money by making it yourself. Plus, these tables make a beautiful addition to any deck or patio.

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Time
Multiple Days
Complexity
Beginner
Cost
$101–250

Step 1: Tile Top Patio Table Overview

You can build this table with simple tools and basic skills. Get your wood and steel at a home center, and look for interesting tile at a local tile supplier. Ask to see a porcelain or stone tile (or a combination) that’ll withstand harsh weather conditions. Our table, with two sizes of stone tile, cost about one-fifth the cost of a store-bought table!

This tabletop is made from a plywood core wrapped in cement board, sealed with a paint-on membrane and then covered with ceramic tile and grout. The leg base is made from sturdy steel bars (from your home center or hardware store) that you bend (with the aid of a template and homemade jig) into pleasing curves. Then you drill and assemble them and finally, screw them to the tabletop.

Don’t worry if you didn’t pay attention during metal shop. We’ll show you a seat-of-the-pants method for bending the steel without the expensive metal shop tools that a pro would use. Figure on spending 10 to 12 hours over the course of a week to complete the project.

To help guide the process, we’ve broken the tasks down into daily steps. It accounts for time spent waiting for glue, mortar and sealer to dry so you can finish the project efficiently. In total, this project will take about 6 days.

Step 2: Make the bending jig, tabletop core and full-size leg template

Mosaic Outdoor Table Photo 1: Build the bending jig

Glue and screw two 2×4 blocks to a 16 x 36-in. sheet of 3/4-in. plywood, then screw the plywood to your workbench. Let the glue dry overnight before using the jig.

Mosaic Outdoor Table Photo 2: Cut out the plywood base

Mark two 13-in. radius (26-in. diameter) discs on 1/2-in. CDX plywood using a compass made from a strip of scrap wood. Cut out the discs with a jigsaw.

Mosaic Outdoor Table Photo 3: Glue the plywood discs

Spread water-resistant carpenter’s glue onto each disc with a 1/8-in. notched trowel. Carefully align the edges of the discs and screw them together with 1-1/4 in. screws spaced every 6 in. let the glue dry, remove the screws and sand the edges of the disc to form a smooth curve.

Make the bending jig from a 16 x 36-in. sheet of 3/4-in. plywood and two rounded-over lengths of 2×4 as shown in Photo 1. Glue the 2x4s to the plywood and drive eight 2-in. screws through the bottom side of the plywood into each 2×4. Why so many screws? These chunks of 2×4 will be under a great deal of stress later as you bend the steel bars.

Next, make two plywood discs (Photo 2) from a 4 x 4-ft. sheet of 1/2-in. thick CDX plywood. There’s no need to buy fancy plywood for this because you’ll be covering all sides of it. If the plywood is a bit bowed, position the bows opposite to each other to cancel the warp when you screw them together.

While you’ve got your carpentry tools out, make a full-size template from a 12 x 20-in. section of 1/4-in. plywood or hardboard as shown in Figure A. Place marks along all four sides in 1-in. increments and then draw connecting lines across. Plot the points as shown in Figure A and then draw a smooth curve connecting the points.

Leg and Strut Details

Draw a full-size template for the legs on a piece of plywood using this scaled drawing as a guide. Drill bolt holes for the struts

Step 3: Shape the steel legs and mortar the cement board to the top

Photo 4: Bend slightly at each mark

Mark the 1/4-in. x 1-1/2 in. x 36-in. steel bar every inch with a permanent marker. Align the marks with the center marks on the 2×4 blocks and firmly pull the bar until you feel it bend slightly. Move the bar to the next inch mark and proceed with slight bends at each mark.

Photo 5: Check the curve as you go

Check your bent bar with your template. Then insert the bar into the jig again and either bend or unbend it as needed. When you’re finished, cut the steel to a 28-in. overall length with a hacksaw. Then smooth the rough edges with a metal file.

Photo 6: Mark the holes

Clamp the curved legs to the workbench, then use a sharp punch to mark the hole centers for the mounting screws and the assembly bolts. Drill holes at 1/2 in., 1-1/2 in., 4 in. and 14 in. from the top end.

Photo 7: Drill the screw and bolt holes

Drill the 3/16-in. diameter holes through the legs, using a few drops of oil to lubricate the bit. Make sure to clamp the steel firmly while drilling.

Photo 8: Bend the struts

Cut the 8-in. long struts from 1/8-in. x 3/4-in. steel with your hacksaw. Place a mark 1-1/2 in. from each end. Align the marks with the vise jaws, tighten and then hammer the piece to form crisp 90-degree bends. Center and drill bolt holes according to the strut detail in Figure A.

Photo 9: Assemble the legs and struts

Screw the struts to the legs using No. 10 x 3/4-in. bolts and nuts. Tighten with a screwdriver. Note the position of the mounting holes.

Photo 10: Cut the cement board disc

Place the disc on a piece of 1/2-in. cement board and trace the circle. Then cut it out with a jigsaw fitted with an abrasive cutting blade.

Photo 11: Bond the cement board and plywood

Mix about 1-1/2 qts. of thin-set mortar to a toothpaste consistency. Let the mortar stand for 10 minutes, then spread it onto one side of your disc with a 1/4-in. notched trowel. Screw the cement board to the plywood with 1-1/4 in. cement board screws.

Photo 12: Attach lath

Cut 1-3/8 in. strips of galvanized expanded metal lath (stucco lath) 7 ft. long. Nail the strips to the edge of the disc. Use 1-1/4 in. galvanized roofing nails and space them every 4 in.

Photo 13: Cover the lath with mortar

Set the disc on a plastic sheet and mix about 1 qt. of thin-set mortar. Embed the mortar in the lath. Let it dry overnight. Then smooth off ridges and edges with a rasp.

Mark the 36-in. steel bar every inch (up to 28 in.) as shown in Photo 4 with a permanent marker. You’ll cut off the remaining 8 in. later, but for now, you’ll need it for leverage while bending. Buy an extra piece in case one doesn’t turn out—the bending process can be tricky.

Slide the bar between the blocks, align the first mark with the center and pull the bar toward you. This first little bend is easy because you have a lot of mechanical advantage. Don’t be tempted to overbend; a tiny nudge at each mark adds up to a nice even curve.

When you get toward the last few marks of your bending, you may want to pull the bar from the bent side to get a bit more leverage. Check the work piece every fifth bend or so to see how it’s matching up with your template. You may need to stick the leg piece back into the jig and unbend portions to get the curve to match your template. Don’t let yourself get too bent out of shape trying to conform exactly to the template. Close is good enough.

Next, cut and bend the smaller 1/8-in. thick bars to make the struts as shown in Figure A. Be sure to drill them accurately to ensure that the struts hold the legs equally. Complete the leg assembly as shown in Photo 9.

The disc assembly you glued together the day before is now ready to cover with cement board. Be sure to smooth the outside curve of the plywood with a belt sander outfitted with a coarse belt.

A smooth, even curve here will give you a nice even edge to tile later. Next, lay the disc on a sheet of cement board, trace the shape using a carpenter’s pencil and then cut out the shapes with your jigsaw (Photo 10). You can cut this stuff with a standard jigsaw blade, but you’ll need about three blades to get through the circle. Instead, look for a special abrasive cutting blade for your jigsaw at your hardware store or home center.

Mix your thin-set mortar in a bucket to a toothpaste consistency, or if you’re a cook, think of a bowl of mashed potatoes. Then let it stand for about 10 minutes to start the chemical reaction. Trowel the mortar onto the wood disc and then comb it with a 1/4-in. notched trowel.

The trowel helps you get just the right amount of mortar and distribute it evenly. Press the cement board piece into the mortar and immediately screw it to the plywood disc (Photo 11). You can now cut the metal stucco lath (Photo 12) and apply it, then fill the lath with mortar. Let the mortar set up until the next day.

Step 4: Waterproof the disc and finalize your design

Photo 14: Apply waterproofing membrane

Roll or brush two coats of waterproofing membrane on both sides and the edges, then let it dry overnight.

Knock the rough edges off the discs with a rasp and then hand-sand the edges with coarse sandpaper. Wipe off the dust and roll or brush on a coat of waterproofing membrane (available from home centers and tile suppliers).

The membrane will keep moisture from migrating into the disc and causing the core to swell and, down the road, to crack. Apply at least two coats, letting each coat dry. When I saw this stuff for the first time, I couldn’t believe that the mortar would stick to it once it dried. Well, it does work and really seals the surface.

While the membrane is drying (24 hours), lay out your tile design and make sure it works. Make a cardboard disc the same size as your coated disc and draw concentric circular guidelines onto it to help with your tile placement (Photo 16).

Now is the time to try design options. I found that a circular design that radiates evenly outward works best, but feel free to try anything. If you end up cutting tile, be sure to soften the sharp edge with a smoothing stone.

Step 5: Tile the table edge

How to Tile a Table Photo 15: Set the edge tile

Butter the back of each tile with thin-set mortar, push it onto the edge of the table disc and shim the height if necessary. Work your way around the disc and cut or adjust the tile spacing to fit the last piece. Wait 24 hours before tiling the top.

Set your tabletop onto your workbench and then test the tile for coverage. I selected a stone tile for the sides that measured about 1-3/4 in. square. The tile covered the 1-1/2 in. thick side with enough to spare to align with the top tile.

You may have to shim the whole top slightly above the workbench or shim each tile with pieces of thin cardboard. Depending on the size of the tile, the tile can be lower than the bottom edge slightly or even up from the bottom a bit; neither variation from flush will be noticed on a finished table.

Mix the mortar and then butter the back of the tiles and press them into place (Photo 15).With a little planning, you can cover the edge using only full tile by adjusting the width of the joint. When you’ve worked your way around the entire edge, let the mortar set for 24 hours before tiling the top.

Step 6: Tile the top

How to Tile a Table Photo 16: Follow the layout lines

Draw guidelines on your tabletop with a permanent marker and then trowel mortar onto only one quadrant of the top with a 1/4-in. notched trowel. Transfer your tile from your design to the mortared top, paying attention to your guidelines. Complete each quadrant, let the mortar set for 24 hours, then grout the top.

Position your design close to the tabletop (Photo 16). Make guidelines on your tabletop with a permanent marker to help transfer the tile to the top accurately. Then set one section at a time to position the tile accurately.

I mixed up two smaller batches of mortar to complete the top so I wouldn’t have to hurry through the positioning process before the mortar set. Apply the mortar to only one-fourth of the top with your notched trowel and press the tile into place. Keep transferring tile and mixing new mortar as needed.

Keep the top of the tile surface clean and mortar free. After a few hours, check for mortar that may have oozed up above the tile surface. It’s easy to remove the mortar with a screwdriver while it’s in this “plastic state” before it sets hard.

Step 7: Fasten the leg assembly to the table and grout the tabletop

Photo 17: Grout and assemble

Center the leg assembly onto the underside of the table and screw through the outer mounting holes into the table bottom with No. 10 x 1-1/2 in. screws. Scribe and cut the pieces of 1-1/2 in. x 1-1/2 in. pine to fit between two legs. Fasten the pine to the table.

Fasten the legs to the top as shown in Photo 17, making sure to adjust the leg pattern to complement the top. We positioned our leg assembly to align with the tile cross in the tabletop.

If your tile is porous, you’ll have to seal it before grouting. Since our tile was stone and had no glaze, we purchased a sealer, rolled it on the tile and let it dry before grouting. The sealer keeps the grout from hazing the stone surface. If you’re using glazed tile, you’ll be able to grout without sealing. Mix the grout just as you did the mortar.

Some grouts require a latex additive, so follow the manufacturer’s instructions. Push the grout into the spaces between the tile with a grout float and then wipe the top with a damp sponge several times to remove the excess grout and prevent hazing. Let the grout set and cure for a few days, then apply a sealer to the entire top to protect it.

One last note: You’ll need to paint the legs to protect them from rusting and you’ll also need to paint the wood leg braces. Remove the legs to do this. Paint the wood braces and then wipe the steel with mineral spirits and scuff it with steel wool to prepare the surface. Prime the steel and then paint it.

We used a patina kit to simulate an aged brass finish (available at hardware stores and home centers). This is a multi-step system that gives great results and is tough enough for outdoor use. Follow the product directions.

Required Tools for this DIY tile top patio table project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • 4-in-1 screwdriver
  • Adjustable wrench
  • Cordless drill
  • Framing square
  • Grout float
  • Hacksaw
  • Jigsaw
  • Paint roller
  • Punch
  • Rasp
  • Safety glasses
  • Tape measure
  • Tin snips

Margin trowel,
1/8-in. notched trowel,
1/4-in. notched trowel

You’ll also need a carbide-grit jigsaw blade.