TecFast Concrete
Rapid-setting repair concrete · GB · manufacturer-sourced
How long does Parex TecFast Concrete take to dry?
Short answer
Placement-to-service plan
Set, hardening and loading come days apart
- Place and finish the Rapid-setting repair concrete
- Keep it moist or protected as directed
- Load it only at the stated strength time
This product’s stated stages Quoted at 68°F
- Working time ends15 minutes
- Set15–20 minutes
- Normal foot traffic2 hours
- Full cure1 day
Worth noticing: Working time is only 15 minutes; the next stated stage, set, is 15–20 minutes.
Common mistake: Driving on it because it feels hard; strength keeps building for days.
Return-to-use gates
Open the surface gradually instead of treating cure as one moment
Time the concrete cure
Your countdown
Stated times
- Working time ends15 minutes
- Set / hardened15–20 minutes
- Normal foot traffic2 hours
- Full cure1 day
From Parex data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.
Manufacturer website: parex.com
Conditions & fine print
- Stated conditions: 68°F (20°C)
- Concrete sealer times are lab values. Cool air, humidity, thick coats and poor airflow slow them. Follow the current data sheet.
- Temperature range: 41°F to 95°F
- Region GB. Formulas can differ between countries; check your container.
- Working time ends: At 20°C.
- Set / hardened: At 20°C.
- Normal foot traffic: At 2 hours it reaches about 22 N/mm2.
- Full cure: No curing compound is needed between 5 and 35°C.
- 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 Report outdated information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
- Parex TecFast Concrete
- Variant
- Rapid-setting repair concrete
- Region
- GB
- Listed use
- highway repair, airfield repair, rapid concrete patch
- Timed stages recorded
- tooling, set, normal foot, full cure
- Source checked
- 2026-10-25
Documentation: Technical data sheet · Technical datasheet TP 98, rev 01/2013
Condition attached to the stated time: At 20°C.
About this product
A repair concrete that sets in 15 to 20 minutes and takes foot and vehicle traffic at 2 hours. Mix only what you can place in 15 minutes.
Using this specific product
Parex TecFast Concrete is listed here as the Rapid-setting repair concrete version for highway repair, airfield repair, and rapid concrete patch. For repairing concrete or masonry, 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 Rapid-setting repair concrete; related versions can use different timing.
- For highway repair, airfield repair, and rapid concrete patch, pay particular attention to substrate moisture, depth, temperature and protection from traffic.
- At 20°C. At 2 hours it reaches about 22 N/mm2. No curing compound is needed between 5 and 35°C.
How to check readiness
Check the slowest, coolest section before loading or coating. The sheet says to place the mix within 15 minutes. The sheet gives an initial set of 15 minutes and a final set of 20 minutes. The sheet gives foot and vehicle traffic at 2 hours.
Avoid this mistake
Early strength, coating readiness and full cure are separate decisions.
Compare with similar products
- Compare with ARDEX A 45 Rapid Repair MortarSet: 15 min to 1 h there, 15–20 min here.
- Compare with SikaQuick-2500Set: 15–20 min there, 15–20 min here.
Questions
How long does this product take to dry?
Parex states: The sheet says to place the mix within 15 minutes. Conditions: At 20°C.. The sheet gives an initial set of 15 minutes and a final set of 20 minutes. Conditions: At 20°C.. The sheet gives foot and vehicle traffic at 2 hours. Conditions: At 2 hours it reaches about 22 N/mm2.. The sheet gives 35 MPa strength at 1 day. Conditions: No curing compound is needed between 5 and 35°C.. These are the manufacturer’s stated times, not a guarantee.
When can traffic use TecFast Concrete?
The sheet gives foot and vehicle traffic at 2 hours at 20°C.
How long does this product take to fully cure?
Parex states: The sheet gives 35 MPa strength at 1 day. Conditions: No curing compound is needed between 5 and 35°C.. These are the manufacturer’s stated times, not a guarantee.
How long do I have to work with this product?
Parex states: The sheet says to place the mix within 15 minutes. Conditions: At 20°C.. These are the manufacturer’s stated times, not a guarantee.
What affects how long this product takes to dry or cure?
Concrete sealer times are lab values. Cool air, humidity, thick coats and poor airflow slow them. Follow the current data sheet. Follow the product label for your conditions.