Large format tile has become one of the most popular flooring and wall trends in Edmonton home renovations — and it’s easy to see why. Fewer grout lines, a cleaner look, and a sense of spaciousness that smaller tiles simply can’t replicate. But large format tile also comes with specific requirements that every homeowner should understand before committing.
Here’s what you need to know about large format tile before your Edmonton renovation gets underway.
What Counts as Large Format Tile?
There’s no single industry definition, but large format tile is generally considered any tile where at least one dimension exceeds 15 inches. Common large format sizes used in Edmonton homes include:
- 18×18 inches — a popular entry point for kitchen and bathroom floors
- 24×24 inches — the most common large format choice for open-concept floors and feature walls
- 24×48 inches and larger — a contemporary slab-like look for high-end applications
- Porcelain slabs (48×96 inches and larger) — an ultra-premium option that mimics continuous stone surfaces
The Visual Benefits of Large Format Tile
The appeal of large format tile is primarily visual:
- Fewer grout lines — the eye reads less interruption across the floor, creating a cleaner, more expansive look
- Larger pattern continuity — veining and pattern in stone-look porcelain flows more naturally across larger tiles
- Modern aesthetic — large format tile is closely associated with contemporary and transitional interior styles, both extremely popular in Edmonton new builds and renovations
- Easier maintenance — fewer grout joints means less grout to clean over time
Subfloor Requirements: The Critical Factor
This is where large format tile separates itself from smaller tiles — and where homeowners most often get surprised. Large tiles are rigid and unforgiving. Any unevenness or flex in the subfloor will telegraph directly to the tile surface, causing hollow spots, cracking, or grout joint failure over time.
For large format tile installations in Edmonton homes, the subfloor must meet strict flatness tolerances — typically no more than 1/8 inch variation over a 10-foot span (vs the 3/16 inch standard for smaller tiles). This almost always requires:
- Self-levelling compound on concrete subfloors with any dips or high spots
- Cement backer board or uncoupling membrane on wood subfloors to provide rigidity and prevent flex
- Structural assessment on older Edmonton homes where joists may not provide sufficient stiffness for large format tile
Skipping this preparation is the most common cause of large format tile failure. It’s not a step that can be shortcut.
Installation Considerations
Back-Buttering
Large tiles require full coverage adhesive — both on the subfloor and on the back of the tile itself (back-buttering). This eliminates hollow spots beneath the tile that can lead to cracking under point loads. It adds installation time but is essential for large format work.
Lippage
Lippage refers to the height difference between adjacent tile edges. With large tiles, even minor subfloor imperfections can create visible lippage — where one tile edge sits slightly higher than its neighbour. Professional installers use levelling clip systems to minimize lippage during installation. It’s a technique that makes a significant difference in the finished result.
Grout Joint Width
Large format tile is typically installed with narrower grout joints than smaller tile — often 1/16 to 1/8 inch for rectified (precisely cut) tiles. Rectified porcelain is cut to exact dimensions after firing, allowing tighter joints. This is the standard for large format tile and contributes to its seamless appearance.
Weight
Large format tiles are significantly heavier than standard tiles — a 24×24 porcelain tile can weigh 15–20 lbs per piece. This affects shipping, handling, and installation logistics. Your installer needs appropriate lifting equipment for very large format work.
Large Format Tile in Edmonton’s Climate
Edmonton’s temperature swings — both outdoor and the transition between heated interior and cold exterior in mudrooms and entryways — are worth considering. Porcelain’s low thermal expansion coefficient makes it well-suited to these conditions. Natural stone, particularly marble, can be more sensitive to thermal cycling and may require expansion joints in large installations near exterior walls.
Is Large Format Tile Right for Your Project?
Large format tile is an excellent choice for Edmonton homeowners who want a contemporary, low-maintenance floor with maximum visual impact. It works particularly well in:
- Open-concept kitchen and living areas
- Master ensuite bathrooms with walk-in showers
- Feature walls and shower surrounds
- Basement entertainment areas with concrete subfloors
The key is ensuring your subfloor is properly prepared and that the installation is done by an experienced tile setter who understands large format requirements.
Browse our full tile and natural stone range, view our project portfolio for large format inspiration, or contact us for a free quote. For bathroom renovations combining tile with other finishes, ask about our glass shower doors and custom countertops. Financing options are available.