Clear Masonry Protector Waterproofer
Clear · US · not yet reviewed
Short answer
Ready for another coat: 3 days after application.
Rain-safe: 1 day after application.
Start the clock
Your countdown
Stated times
- Rain-safe1 day
- Fully dry1–3 days
- Ready for another coat3 days
From Thompson's WaterSeal product page · checked 2026-10-24. Anything not listed isn’t stated by the manufacturer.
Conditions & fine print
- Stated conditions: Not stated
- Surface and air must stay above 50°F during application and for 48 hours after. Use the splash test once dry to decide on a second coat.
- Temperature range: 50°F to —°F
- Region US. Formulas can differ between countries; check your container.
- Rain-safe: Application limit
- Entered from the manufacturer source; second review pending. Report outdated information
- Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.
Questions
How long before Clear Masonry Protector Waterproofer is ready for another coat?
Thompson's WaterSeal states: Dry to recoat: 72 hours. This is the manufacturer’s stated time, not a guarantee.
How long before Clear Masonry Protector Waterproofer is rain-safe?
Thompson's WaterSeal states: Do not apply product if rain is forecasted within 24 hours of application. Conditions: Application limit. This is the manufacturer’s stated time, not a guarantee.