Water & sanitationReturn
Operations in drains
Prompt natural cement is suitable for many types of works, such as mortar or concrete repairs in drains, rainwater networks, gutters, run-offs, manhole bases, canals, cofferdams, resurfacing under a waterproofing membrane, etc.
Benefits of using Prompt natural cement:
Prompt natural cement brings speed of execution and excellent bonding, which allows for effective operations and good waterproofing. It resists aggressive waters, up to pH=4, and sea water. Although there are many specialised formulated products, these results come from a single product, because Prompt natural cement can be used as a neat cement to block leaks in waterways, a mortar for an waterproofing render and concrete if a large quantity is required.
- Rapid return to use,
- Resistance to pure acid and sulphated waters,
- Resistance to sea water (NF P 15-317),
- Acid waters up to pH = 4,
- Very good bonding on all surfaces,
- Money-saving solution,
- Excellent durability.
Doses and preparation:
The qualities required for waterproofing and resistance to aggressive waters or sea water mean that Prompt natural cement should be used (in particular mortar) at a high dose.
In Prompt natural cement mortar:
|Strong mix (in volume)||2 litres||2 capfuls||1 litre||0.6 to 1 litre|
In Prompt natural cement concrete:
|CNP||Tempo||Sand + Gravel||Water|
|Ordinary dose||1 bag of 25 kg||1 to 2 bottles||50 litres||8 to 12 litres|
|High dose||1 bag of 25 kg||1 to 2 bottles||30 litres||7 to 10 litres|
The setting time can be adjusted using the retardant additive Tempo.