Porcelain Tile Installation on Maui
Maui Prestige Flooring installs porcelain tile in open-plan Maui homes, condo kitchens and baths, resort lobbies, restaurants and outdoor lanais. With 16+ years on the island and 1,700+ flooring jobs behind us, we set everything from 12 x 24 inch floor tile to 48 inch squares and 2 cm pool deck pavers.
Porcelain is denser than ceramic and absorbs 0.5 percent water or less, so humidity, pool splash and afternoon sun through a slider barely touch it. Its weak point is size: the bigger the tile, the less it forgives a wavy slab.
That is why we flatten the floor first, set in large and heavy tile mortar and lock every edge with leveling clips. You get a flat, lippage-free porcelain floor, a written quote and a 1-year labor warranty.
Porcelain Tile Flooring Installation, Indoors and Out
Porcelain is a ceramic tile made from fine, dense clay fired at higher temperatures, which leaves it absorbing 0.5 percent water or less under ANSI A137.1. That density lets it handle lanais, pool splash, wet entries and commercial traffic that would wear out ordinary ceramic.
It comes glazed, with the design printed on the surface, or through-body, with color running all the way through so chips barely show. Most premium porcelain is also rectified, meaning its edges are ground square after firing for tight grout joints.
Porcelain is the most versatile of our tile installation services on Maui, and every quote includes:
- Old floor removal and slab grinding
- Flatness checks and leveling to large-format tolerances
- A crack isolation or waterproofing membrane
- Large and heavy tile mortar, leveling clips and movement joints
- Grout, trims, sealant and cleanup
Porcelain Styles We Install
Porcelain now copies wood, concrete, marble and limestone closely enough that most guests cannot tell. These four styles cover most of the porcelain floors we set on Maui.
Wood-Look Porcelain Plank
Wood-look plank gives you the warmth of oak, teak or walnut with no risk from termites, humidity or a leaking dishwasher. Common sizes are 8 x 48 and 9 x 48 inches.
Long planks are rarely perfectly flat, so we hold brick offsets to 33 percent or less, as ANSI A108.02 calls for. A 50 percent offset puts the high center of one plank against the low end of the next and creates lippage at every joint.
Large-Format Porcelain Tile
Large format means any tile with an edge of 15 inches or more, and today that often means 24 x 48 or 48 x 48 inch tile. Fewer grout lines make an open-plan room look calm and bigger and make cleaning quicker.
Gauged porcelain tile panels, thin sheets about 6 mm thick, follow their own installation standard, ANSI A108.19. They need two-person handling frames and a very flat substrate.
Textured Outdoor Porcelain
Outdoor porcelain has a structured, gritty surface that stays safe underfoot when wet, even barefoot. Look for tile the maker declares Exterior Wet under ANSI A326.3.
It shrugs off the UV that fades wood decking and composite. Light colors stay noticeably cooler underfoot than dark stone in full sun.
Porcelain Pavers for Pool Decks
Porcelain pavers are 2 cm thick, about 3/4 inch, and strong enough to lay on pedestals, gravel or a mortar bed. On a pool deck we usually mortar-set them over a sloped slab so water drains and nothing rocks.
Pedestal systems suit raised decks over a waterproof membrane, where water drains under the pavers and single pieces lift out for access.
Large-Format Tile Needs a Very Flat Floor
Large-format porcelain needs a floor flat to within 1/8 inch over 10 feet and 1/16 inch over 24 inches, per ANSI A108.02. Most Maui slabs are not that flat as poured, so leveling is usually part of the job.
An out-of-flat floor causes lippage, where one tile edge sits higher than its neighbor. The standard allows only 1/32 inch of lippage on joints narrower than 1/4 inch, plus the tile’s own allowable warpage, and on a 48 inch tile in low sun from a slider even that can show.
How we keep large porcelain flat:
- Fix the floor first. High spots are ground and low areas filled with self-leveling underlayment through our subfloor repair and floor leveling service.
- Use the right mortar. Large and heavy tile (LHT) mortars meeting ANSI A118.4 or A118.15 hold a thick bed without slumping, so tiles do not sink as they cure.
- Back-butter every tile. A thin coat on the back of each tile, plus a 1/2 inch notched trowel on the floor, fills the voids a single layer leaves behind.
- Hit the coverage target. ANSI A108.5 calls for at least 80 percent mortar contact in dry interiors and 95 percent in wet areas and outdoors, and we lift tiles during the job to check.
- Lock the edges. Clip-and-wedge leveling systems hold neighboring edges in plane while the mortar sets.
Thinking about 24 x 48 inch tile or bigger?
We check your slab against the large-format flatness tolerance at the measure, so leveling is priced in from the start.
Porcelain Outdoors: Salt Air, Sun and Rain
Outdoor porcelain on Maui lasts when water drains off it, the setting materials are rated for exterior use, and the tile has room to expand in the sun. Miss any one of those and the lanai is the first floor in the house to fail.
Drainage. We slope exterior tile about 1/8 to 1/4 inch per foot away from the house, so trade wind showers and pool splash run off instead of ponding. Where a lanai sits over living space, a waterproofing membrane goes under the tile.
Mortar and grout. Exterior work gets polymer-modified mortar and grout rated for wet, exterior use, with 95 percent coverage so no water sits in voids. Salt spray leaves white residue on porous grout, so within sight of the ocean we favor high-performance cement or epoxy grout.
Heat. Tile in full sun moves far more than tile indoors, so TCNA EJ171 calls for movement joints every 8 to 12 feet outside. Edge trims are stainless steel or aluminum, because salt air in Kihei and Wailea or Lahaina and West Maui corrodes plain steel within a few seasons.
Rectified Edges and Grout Joint Width
Rectified porcelain can be set with joints as narrow as 1/16 inch, though many makers ask for 1/8 inch, while pressed-edge tile usually needs 3/16 inch or wider. ANSI A108.02 sets the real rule: a joint must be at least three times the actual size variation of the tiles in the box.
| Factor | Rectified edge | Pressed (cushion) edge |
|---|---|---|
| How it is made | Edges ground square after firing | Edges left as pressed, slightly rounded |
| Size consistency | Very consistent | Varies more from tile to tile |
| Typical minimum joint | 1/16 to 1/8 inch | 3/16 to 1/4 inch |
| Look | Crisp, modern, nearly seamless | Softer and more traditional |
| Lippage sensitivity | High, square edges show any high corner | Lower, rounded edges hide small offsets |
| Best for | Large format, wood-look plank, modern rooms | Smaller tile, rustic and Spanish styles |
A narrower joint is not always better. Wood-look planks with a slight bow often look straighter with a 1/8 or 3/16 inch joint that absorbs small differences, so we set a few test pieces before committing the whole floor.
Our Porcelain Installation Steps
Measure and order
Measure day
We measure, check the slab for flatness, cracks and moisture, and order 10 to 15 percent extra tile for cuts and future repairs.
Removal and slab prep
1 to 2 days
The old floor comes out through our floor removal and disposal service, and the slab is ground clean. High moisture readings get a moisture vapor barrier on the slab.
Leveling
1 to 2 days
Self-leveler is poured where needed, left to cure, then checked against the large-format tolerance with a straightedge.
Membrane and layout
1 day
Crack isolation or waterproofing goes down, and we snap a grid so plank offsets, borders and doorway cuts land where they should.
Setting
2 to 5 days
Tiles are back-buttered, set in LHT mortar and clipped level, with spot checks for coverage as we go.
Grout, joints and walkthrough
1 to 2 days
Clips come off, grout and movement joint sealant go in, trims are fitted and we walk the finished floor with you.
Most 1,000 sq ft porcelain floors take 1 to 2 weeks on site, longer when the old floor is tile on a thick mortar bed. Want warm porcelain in a bathroom? An electric mat goes under the tile as part of our radiant heated floor installation.
For a primary suite or entry that calls for the real thing, our natural stone flooring installation team can blend marble or travertine into the plan. Resort owners planning porcelain for a lobby, pool deck or guest rooms can start with our hotel and resort flooring page.
FAQ
Porcelain Tile FAQ
Is porcelain tile slippery when wet?
It depends on the finish. Polished porcelain can be slick when wet, while matte, textured and structured finishes grip well, so check the DCOF number on the spec sheet: 0.42 or higher for indoor floors that get wet.
For showers, pool surrounds and open lanais, choose tile the manufacturer declares Interior Wet Plus or Exterior Wet under ANSI A326.3. Small mosaics, with more grout lines, add grip on shower floors.
Can porcelain tile be installed over existing tile?
Sometimes. The old tile must be firmly bonded with no hollow sound when tapped, no cracks, and enough clearance for the extra 3/8 to 1/2 inch of height at doors, appliances and transitions.
We clean and scuff the old glaze and use a mortar rated for tile-over-tile work. For large-format porcelain we usually remove the old tile instead, because its uneven surface makes the flatness tolerance hard to meet.
What does porcelain tile installation cost per square foot?
Most porcelain tile floors on Maui land between $16 and $30 per sq ft installed, including material and labor. Large-format tile, outdoor work, pattern layouts and heavy leveling push a job toward the top of that range.
Glazed ceramic usually runs a little less, about $14 to $25 per sq ft, and our ceramic tile installation page compares the two. The written quote after your measure is the exact number.
Get a quote
Plan Your Porcelain Floor
Share the rooms or outdoor areas, the tile size you have in mind and a few photos. We will check the slab flatness, measure and send a written quote for your porcelain tile installation.
- Mon to Sat 7am to 9pm, Sun 9am to 9pm
- 1710 W Kaahumanu Ave, Wailuku, HI 96793
- Licensed, insured and backed by a 1-year labor warranty