MAPEI

Keraset (Hong Kong page)

Cementitious tile adhesive · INTL · manufacturer-sourced

Check your container: This countdown is for the Cementitious tile adhesive variant. Similar-looking versions may have different times.

How long before you can grout over MAPEI Keraset (Hong Kong page)?

Short answer

Ready for grout: 3–6 hours after application.
Light foot traffic: 1 day after application.
Adhesive & glue

Bond-strength path

Hold, handle and full load come at different times

  1. Join the parts with the Cementitious tile adhesive
  2. Hold or clamp for the set time
  3. Put load on the bond only at full strength

This product’s stated stages Quoted at 73°F

  • Working time ends20 minutes
  • Ready for grout3–6 hours
  • Light foot traffic1 day
  • Normal use2 weeks

Worth noticing: Working time is only 20 minutes; the next stated stage, ready for grout, is 3–6 hours.

Common mistake: Releasing the clamps because the glue line feels firm, long before it can carry a load.

Adhesive & glue

Bond-strength path

Assembly, handling and full load are different stages

1 · AssembleClean, fit and apply the Cementitious tile adhesive version correctly.
2 · HoldKeep the joint undisturbed through its set or clamp stage.
3 · LoadUse full cure—not surface firmness—before demanding use.

Time bond readiness

When was the bond assembled?
Conditions that affect drying
Where?
Thickness

Stated times

  • Working time ends20 minutes
  • Ready for grout3–6 hours
  • Light foot traffic1 day
  • Normal use14 days

From MAPEI product page · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.

Manufacturer website: mapei.com

Conditions & fine print
  • Stated conditions: 73°F (23°C)
  • Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.
  • Region INTL. Formulas can differ between countries; check your container.
  • Working time ends: Pot life is 6 to 8 hours.
  • Ready for grout: Floors wait 24 hours.
  • Light foot traffic: Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.
  • Normal use: Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.
  • Entered from the cited manufacturer documentation. Check the current label for the exact formula and region. Report outdated information
  • Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Confirm this is your product

Closely named formulas, colors and regional versions can use different times. Match these details to your container before starting a countdown.

Exact listing
MAPEI Keraset (Hong Kong page)
Variant
Cementitious tile adhesive
Region
INTL
Listed use
wall tiling, floor tiling
Timed stages recorded
tooling, grout ready, light foot, normal use
Source checked
2026-10-25

Documentation: Official product page · Product page, accessed 2026-10-26

Condition attached to the stated time: Pot life is 6 to 8 hours.

About this product

A cementitious adhesive with a wall and floor split: walls can be grouted in 3 to 6 hours, floors in 24, and full service takes 14 days. Pot life runs 6 to 8 hours.

Using this specific product

MAPEI Keraset (Hong Kong page) is listed here as the Cementitious tile adhesive version for wall tiling and floor tiling. For bonding parts, the useful question is not simply whether the surface looks finished—it is whether the exact next-action milestone shown above has been reached.

Before you start

  • Confirm the package says Cementitious tile adhesive; related versions can use different timing.
  • For wall tiling and floor tiling, pay particular attention to surface fit, cleanliness, clamping pressure and bond-line thickness.
  • Pot life is 6 to 8 hours. Floors wait 24 hours. Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.

How to check readiness

Test a noncritical offcut or wait for the stated load milestone before stressing the joint. The page gives an open time of 20 minutes. The page gives grouting on walls after 3 to 6 hours. Try a protected edge first and avoid turning, dragging or concentrated loads.

Avoid this mistake

Handling strength and full load strength are different milestones.

Compare with similar products

Keep going

Questions

How long before you can grout over this product?

MAPEI states: The page gives an open time of 20 minutes. Conditions: Pot life is 6 to 8 hours.. The page gives grouting on walls after 3 to 6 hours. Conditions: Floors wait 24 hours.. The page gives foot traffic after 24 hours. Conditions: Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.. The page gives ready for service at 14 days. Conditions: Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.. These are the manufacturer’s stated times, not a guarantee.

Why does Keraset have two grout times?

The page gives 3 to 6 hours for walls and 24 hours for floors, so floor joints wait longer.

How long do I have to work with this product?

MAPEI states: The page gives an open time of 20 minutes. Conditions: Pot life is 6 to 8 hours.. These are the manufacturer’s stated times, not a guarantee.

How long before I can walk on tile set with this product?

MAPEI states: The page gives foot traffic after 24 hours. Conditions: Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet.. These are the manufacturer’s stated times, not a guarantee.

What affects how long this product takes to dry or cure?

Tile adhesive times assume the stated temperature on an absorbent substrate. Dense tiles, damp or cold rooms and thick beds lengthen them. Follow the current data sheet. Follow the product label for your conditions.

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