Mapei · Water plugNo. 34 / 47
Lamposilex
Ultra-fast setting and curing hydraulic binder for stopping water leaks.
Ultra-fast setting and curing hydraulic binder for stopping water leaks
- For instant stopping of water leaks, even water under pressure
- Stopping water leaks in basements, subways and below grade structures in general
- Stopping water leaks in tanks above ground
- Waterproof sealing of rigid joints between walls and floor slabs
- Waterproof sealing of cracks and holes
- Consumption
- 1.8 kg per litre of cavity
- Pack we stock
- 5 kg
Coverage calculator
How much you need.
The arithmetic uses Mapei's published consumption for Lamposilex and the pack sizes we stock. Set your own wastage allowance.
You need
x 5 kg bag
- Data sheet quantity
- 1.8 kg
- With 10% wastage
- 1.98 kg
The figures behind it.
- 1.8 kg of Lamposilex will fill a one-dm³ cavity.
Consumption on site depends on the substrate, the tool and the applicator, which is why wastage is yours to set. The result is a quantity to plan and quote with, not a guarantee of coverage. Confirm the system against the current Mapei technical data sheet before ordering.
Application
Where it is used.
In Mapei's own words, from the technical data sheet.
- 01For instant stopping of water leaks, even water under pressure
- 02Stopping water leaks in basements, subways and below grade structures in general
- 03Stopping water leaks in tanks above ground
- 04Waterproof sealing of rigid joints between walls and floor slabs
- 05Waterproof sealing of cracks and holes
Where it is not the right product.
- Do not add lime, cement or gypsum to Lamposilex
- Do not leave drums of Lamposilex exposed to sunlight before using
Specification
Technical data.
- AS/NZS 4020:2018 · suitable for use in potable water. Certified to AS/NZS 4020:2018.
- Regulation (EC) N° 1907/2006 (REACH) · The product complies with the conditions of Annex XVII to Regulation (EC) N° 1907/2006 (REACH) - All. XVII, item 47.
- Consistency
- fine powder
- Colour
- grey
- Bulk density (kg/m³)
- 1100
- Mix ratio by weight
- 100 g Lamposilex to 28 g water
- Mix ratio by volume
- 2.5 parts by Lamposilex to 1 part water
- Minimum application temperature
- +5°C
- Pot life at +20°C
- approx. 1 minute
- Flexural strength (N/mm²)
- after 1/2 hour: 3
- Flexural strength (N/mm²)
- after 28 days: 9
- Compressive strength (N/mm²)
- after 1/2 hour: 17
- Compressive strength (N/mm²)
- after 28 days: 46
- The minimum external sizes
- must be about 2 cm in width and 2 cm in depth
Typical values as Mapei prints them in data sheet edition 204-01-2024 GBxAUS. They are not a specification for your project: the current Mapei data sheet is.
On site
Packs, mixing and storage.
- We stock
- 5 kg
- Mapei packaging
- 1 box with 4 bags of 5 kg.
- Mixing
- While stirring, pour 1 kg of Lamposilex into a container holding 280 g of water and mix manually with trowel to obtain a smooth mix with no lumps. For dosing by volume, mix 2.5 parts Lamposilex with 1 part water.
- Storage
- Store the product in a dry place indoor for 12 months.
Lamposilex in Tanzania
Tell us the area. We will quote the job.
Sahihi is an authorized Mapei distributor in Dar es Salaam. Send the quantity of Lamposilex you need, or describe the job and we will work it out with you.