LevelQuik RS Rapid Setting Self-Leveling Underlayment
Powder (all sizes) · US · not yet reviewed
How long before you can tile over Custom Building Products LevelQuik RS Rapid Setting Self-Leveling Underlayment?
Short answer
Return-to-use gates
Open the surface gradually instead of treating cure as one moment
Calculate return-to-use time
Your countdown
Stated times
- Working time ends15 minutes
- Ready for tile4 hours
- Ready for floor covering16 hours
- Light foot traffic2–4 hours
From Custom Building Products data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.
Manufacturer website: custombuildingproducts.com
Conditions & fine print
- Stated conditions: 70°F (21°C) and 50% relative humidity
- The manufacturer says cure time varies with temperature and humidity and gives no fixed correction. Moisture-sensitive coverings at 1/8 inch (3 mm) nominal thickness can go on after more than 4 hours in moderate temperature and humidity. If the first layer has dried more than 12 hours, re-prime before a second layer. Ambient, substrate and product temperatures must be 50 to 90°F (10 to 32°C). The data sheet gives no grouting or heavy-traffic time.
- Temperature range: 50°F to 90°F
- Region US. Formulas can differ between countries; check your container.
- Working time ends: At 70°F (21°C) and 50% relative humidity.
- Ready for tile: The data sheet gives no conditions for this time.
- Ready for floor covering: The data sheet gives no conditions for this time.
- Light foot traffic: At 70°F (21°C) and 50% relative humidity.
- Entered from the manufacturer source; second review pending. Report outdated information
- Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.
Using this specific product
Custom Building Products LevelQuik RS Rapid Setting Self-Leveling Underlayment is listed here as the Powder (all sizes) version for self leveler, underlayment, and tile. For installing or finishing a floor, 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 Powder (all sizes); related versions can use different timing.
- For self leveler, underlayment, and tile, pay particular attention to subfloor condition, trowel coverage, room temperature and traffic plan.
- At 70°F (21°C) and 50% relative humidity. The data sheet gives no conditions for this time.
How to check readiness
Test the least-ventilated area before walking, covering or replacing furniture. Working time (pot life) is more than 15 minutes in the bucket. Install non-moisture-sensitive ceramic tile or stone in 4 hours. Install moisture-sensitive floor coverings after 16 hours.
Avoid this mistake
Foot traffic, furniture and rugs can have different return times.
Questions
How long before you can tile over this product?
Custom Building Products states: Working time (pot life) is more than 15 minutes in the bucket. Conditions: At 70°F (21°C) and 50% relative humidity.. Install non-moisture-sensitive ceramic tile or stone in 4 hours. Conditions: The data sheet gives no conditions for this time.. Install moisture-sensitive floor coverings after 16 hours. Conditions: The data sheet gives no conditions for this time.. Walkable hardness is reached in 2 to 4 hours. Conditions: At 70°F (21°C) and 50% relative humidity.. These are the manufacturer’s stated times, not a guarantee.
How long before I can install flooring over this product?
Custom Building Products states: Install moisture-sensitive floor coverings after 16 hours. Conditions: The data sheet gives no conditions for this time.. These are the manufacturer’s stated times, not a guarantee.
How long do I have to work with this product?
Custom Building Products states: Working time (pot life) is more than 15 minutes in the bucket. Conditions: At 70°F (21°C) and 50% relative humidity.. These are the manufacturer’s stated times, not a guarantee.
How long before I can walk on tile set with this product?
Custom Building Products states: Walkable hardness is reached in 2 to 4 hours. Conditions: At 70°F (21°C) and 50% relative humidity.. These are the manufacturer’s stated times, not a guarantee.
What affects how long this product takes to dry or cure?
The manufacturer says cure time varies with temperature and humidity and gives no fixed correction. Moisture-sensitive coverings at 1/8 inch (3 mm) nominal thickness can go on after more than 4 hours in moderate temperature and humidity. If the first layer has dried more than 12 hours, re-prime before a second layer. Ambient, substrate and product temperatures must be 50 to 90°F (10 to 32°C). The data sheet gives no grouting or heavy-traffic time. Follow the product label for your conditions.