Tile Mortar: Polymer-Modified, Large Format & Lightweight

Tile Mortar: Polymer-Modified, Large Format & Lightweight

The right mortar depends on the tile size, the substrate and whether a membrane is underneath. Polymer-modified thin-set, large tile and lightweight mortars, an accelerated thin-set and membrane mortars from Mapei, Tec, Schluter, Laticrete and Chembond are at our Mississauga store at 700 Dundas St E and our Barrie store at 112 Saunders Rd.

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Shop Mortar / Cement

Browse our complete collection of mortar / cement.

34 Mortar / Cement Products

5 Brands · 27 Collections

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Featured Tile Mortar: Polymer-Modified, Large Format & Lightweight Brands

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Why Mortar / Cement Stands Out

Mortars we carry

Mortars in stock include:

  • Polymer-modified thin-set: Mapei Ultraflex 1 and Ultraflex 2, Tec Super Flex and Ultimate 6 Plus, Schluter All Modified and XL Set, and Laticrete 252 Silver.
  • Large tile: Mapei Ultraflex LFT and Tec Ultimate Large Tile.
  • Lightweight: Mapei Ultralite Pro and Ultralite S2, Tec Sturdilight, and Tec Full Flex and Sturdi Flex, which are polymer-modified.
  • Accelerated: Tec Quik Flex.
  • For membranes: Schluter All Modified and Unmodified thin-set, made for Schluter membranes, and Tec Uncoupling Membrane Mortar.
  • Also: Laticrete 253 Gold, Chembond Multiflex Magniflex Super 8820 and Tec High Performance Mortar 3N1.
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Grey or white

Several mortars come in both, including Mapei Ultraflex 1, Ultraflex 2, Ultraflex LFT and Ultralite, and Laticrete 253.

Choosing a mortar

The tile size, the substrate and any membrane under the tile decide the mortar. Follow the membrane maker's mortar requirement, and check the tile maker's requirement for large format tile. The coverage chart on the bag gives the coverage for each trowel notch.

With grout and membranes

See grout and tile membranes. Mortar is at our Mississauga store at 700 Dundas St E and our Barrie store at 112 Saunders Rd.

Still Have Questions?

Quick answers to the questions homeowners ask most before buying.

What mortar do you carry?
Polymer-modified thin-set including Mapei Ultraflex 1 and Ultraflex 2, Tec Full Flex, Super Flex, Sturdi Flex and Ultimate 6 Plus, and Schluter All Modified and XL Set; large tile mortars such as Mapei Ultraflex LFT and Tec Ultimate Large Tile; lightweight Mapei Ultralite and Tec Sturdilight; and Laticrete 252 Silver and 253 Gold.
What mortar is for large format tile?
A large tile mortar such as Mapei Ultraflex LFT or Tec Ultimate Large Tile, with the back of the tile buttered for full coverage.
What mortar goes over an uncoupling membrane?
The one the membrane maker specifies. Schluter makes All Modified and Unmodified thin-set for its membranes, and Tec makes an Uncoupling Membrane Mortar.
Is there a fast-setting mortar?
Yes. Tec Quik Flex is an accelerated thin-set mortar.
Should I use white or grey mortar?
Several mortars come in both, including Mapei Ultraflex 1, Ultraflex 2, Ultraflex LFT and Ultralite, and Laticrete 253. Ask in store which suits your tile.
How much mortar do I need?
It depends on the trowel notch, the tile size and how flat the floor is. Check the coverage chart on the bag. For example, a 50 lb bag of Schluter thin-set covers 60 to 70 sq ft setting tile over Ditra with a 1/4 x 1/4 inch notch.
Where can I buy tile mortar?
At both stores: Mississauga at 700 Dundas St E, Unit 3-4, 905-277-2227, and Barrie at 112 Saunders Rd, Units 1-4, 705-726-2272.
Mississauga & Barrie Locations

Two Stores, Mississauga and Barrie, One Team

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Mississauga Store

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700 Dundas St E, Unit 3-4, Mississauga, ON L4Y 3Y5
Mon-Fri 9am-6pmSat 10am-5pmSun closed
Toronto • Mississauga • Brampton • Vaughan • Oakville • Burlington • Etobicoke • GTA West
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Barrie Store

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Deep inventory for cottage-country projects: wide-plank engineered hardwood, freeze-thaw tile, and waterproof options. Confirm each product’s published temperature range and seasonal application limits.

112 Saunders Road, Units 1-4, Barrie, ON L4N 9A8
Mon/Wed/Fri 9am-6pmTue/Thu 9am-5pmSat 10am-5pmSun closed
Barrie • Innisfil • Orillia • Midland • Collingwood • Wasaga Beach • Muskoka • Simcoe County
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