Cement-and-sand mortar to lay tiles is dead. It's been dead in the rest of the world for 20 years. In India, we're slowly catching up — but tile contractors still default to "let me just mix some cement" because that's how their thatha did it.

Modern thin-bed tile adhesives are stronger, faster, and last 3× longer. The catch: you have to pick the right type, because tile adhesives are not one-size-fits-all.

TL;DR — which adhesive for which tile + surface

Tile type On floor / wall Indoor or outdoor Adhesive type
Ceramic tile Floor Indoor Type 1
Vitrified tile (matte) Floor Indoor Type 3
Vitrified tile (glossy) Floor Indoor Type 3
Any tile on existing tile Floor/wall Indoor Type 3
Any tile, any surface Outdoor / pool / wet area Outdoor Type 4 (epoxy or polymer-modified)
Heavy stone (>10mm) Floor Any Type 4 / Epoxy
Stone / marble Wall Any Type 3 / 4
Mosaic / glass tile Pool / fountain Underwater Epoxy

What does "Type" mean?

Indian standard IS 15477 classifies tile adhesives by performance:

  • Type 1: basic, for ceramic tiles on cement plaster (interior, dry walls and floors)
  • Type 2: improved water resistance, for areas with occasional moisture
  • Type 3: high-strength polymer-modified, for vitrified tiles and demanding interiors
  • Type 4: heavy-duty, for exterior facades, swimming pools, glass/stone

Higher type = more polymer = stronger bond = more expensive. Type 1 is around ₹290/20kg bag, Type 3 is around ₹540/20kg, Type 4 / epoxies run ₹1,500–₹3,500 for smaller packs.

Why not cement-sand mortar?

Three reasons it fails on modern tiles:

  1. Vitrified tiles are non-porous. Water in the cement mortar can't escape into the tile, so the bond is weak. Result: tiles popping up 2-3 years later.
  2. No flexibility. Buildings move. Concrete shrinks. Mortar cracks. Polymer-modified adhesives flex with the movement.
  3. Inconsistent strength. A site mason mixing 1:3 cement-sand by eye produces wildly variable bond strength. Adhesive bags are factory-batched — consistent every time.

Coverage and cost

Standard estimation: 4 to 5 kg of adhesive per square metre at the recommended 3-5mm bed thickness.

For a 1000 sqft floor tiling job (~93 sqm):

  • Type 1 (₹290/20kg): 25 bags = ₹7,250
  • Type 3 (₹540/20kg): 25 bags = ₹13,500
  • Epoxy (₹1,950/15kg): 30 packs = ₹58,500

Type 3 on a vitrified tile floor adds about ₹6,000 over Type 1 cement-sand work. For tiles that cost ₹50,000–₹2,00,000 to lay, this is the cheapest insurance you'll buy.

Brands we stock

MYK Laticrete — the gold standard for India. We stock:

  • Laticrete 305 (Type 1) — ceramic floor tiles indoor — MYK Tile Adhesive Type-1 →
  • Laticrete 307 (Type 3) — vitrified, large-format tiles indoor — MYK Tile Adhesive Type-3 →
  • Laticrete 325 (Type 3 white) — for marble and light-coloured stone where grey would show through
  • SP-100 Epoxy (Type 5) — pools, food-grade environments, heavy industrial — MYK SP-100 Epoxy →

Also: tile spacers (2mm, 3mm, 5mm), grouts (sanded, unsanded, epoxy), and aluminium tile trims — all in our tiling category.

Grout — don't forget this

Grout is the line between tiles. It also fails — and ugly grout makes new tiles look 5 years old.

Standard cement grout: cheap (₹120/kg), works for low-traffic dry areas. Stains easily.

Epoxy grout: ₹1,500–₹3,500 per kg, stain-proof, water-proof, lasts forever. Use it in:

  • Bathroom floor and walls
  • Kitchen backsplash
  • Anywhere food/wine/coffee might land

MYK Sp-100 Epoxy Grout → is what we stock.

The 5 tiling mistakes that cause tiles to pop

  1. Cement-sand on vitrified tiles. Will fail within 3 years.
  2. Skipping the back-buttering on tiles >600×600mm. Large tiles need adhesive both on the floor and a thin layer on the tile back.
  3. Working without spacers. Eyeballing the gap. Looks wavy after grouting.
  4. Grouting same day as laying. Adhesive needs 24 hours to cure first.
  5. Walking on the tiles for 24 hours after grouting. Pops the not-yet-cured grout out.

Procedure: a quick mason briefing

For a vitrified floor with Type 3 adhesive:

  1. Surface prep: clean substrate. No dust, oil, loose material. Slightly damp (not wet).
  2. Mix adhesive: 5L water per 20kg bag (check brand instructions). Mix with electric paddle, not by hand — clumps will cause hollow spots.
  3. Rest 5 minutes (slake time) then re-mix briefly.
  4. Trowel: 10mm notched trowel for tiles up to 600mm, 12mm for larger. Comb in one direction.
  5. Back-butter tiles >600mm: thin scratch coat with the flat side of the trowel.
  6. Lay, press firmly with a slight twisting motion to collapse the ridges.
  7. Insert spacers (2mm standard, 3mm for outdoor).
  8. Tap lightly with rubber mallet for full bedding.
  9. Wait 24 hours, then grout.

What about VLT (Very Large Tiles) — 1200×600 and bigger?

Standard tile adhesives struggle with very large tiles. Use:

  • Type 3 minimum, ideally Type 4
  • Back-buttering mandatory
  • Levelling clips (not just spacers) to keep edges flush
  • 12mm or larger notched trowel

Suppliable stocks tile-levelling clips on request — WhatsApp us if you need 100+ for a project.

Bottom line

For 95% of Chennai residential tiling jobs:

  • Ceramic floor/wall tiles: Type 1 (MYK Laticrete 305)
  • Vitrified tiles: Type 3 (MYK Laticrete 307)
  • Bathroom walls + floor: Type 3 + Epoxy grout

For pools, fountains, food prep areas: epoxy adhesive + epoxy grout, no shortcuts.

All in stock at Suppliable Sholinganallur, delivered to your site in 60 minutes. Browse tiling products →

Tiling materials team at Suppliable. WhatsApp us with your tiling BOM and we'll quote within the hour.