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Begin exploring here. Choose tags, product lines and years to find the content you are interested.
![Waterproofing systems for tunnels](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/sistemi-impermeabilizzanti/sistemi-impermeabilizzanti-thumbnail.tmb-realtamape.webp?Culture=it&sfvrsn=c337f08e_1)
Focus
Underground constructions
Products
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1/30/2023
Waterproofing systems for tunnels
Spray-applied polymeric membranes and synthetic membranes for a perfect result in all types of jobsites.
![Underground powerlines in Saint-Denis (France)](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/saint-denis-underground-powerlines/thumbnail.tmb-realtamape.webp?Culture=en&sfvrsn=f649538e_10)
Focus
Underground constructions
Projects
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1/29/2023
Underground powerlines in Saint-Denis (France)
The project - the first of its kind in France – involves boring out tunnels in a highly built-up area with road, rail and river infrastructures.
![Polyfoamer Eco Line](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/linea-polyfoamer/polyfoamer-thumbnail5b6f4092-3495-4813-bf78-e66e65606ae6.tmb-realtamape.webp?Culture=it&sfvrsn=8b94c08e_1)
Focus
Underground constructions
The expert's opinion
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1/28/2023
Polyfoamer Eco Line
Soil conditioning admixtures combine technical and environmental performances during EPB-TBM works.
![Cavo Redefossi sewer](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/redefossi/thumbnail_redefossi.tmb-realtamape.webp?Culture=en&sfvrsn=6e6f4c8e_10)
Focus
Underground constructions
Projects
/
1/27/2023
Cavo Redefossi sewer
A bespoke fibre-reinforced mortar employed for consolidating a masonry canal used as sewer.
![Repair work on sewer pipes](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/bovassi-fogne/1_bovassi-mapei-fogne_thumbnail_5.tmb-realtamape.webp?Culture=en&sfvrsn=bd2a0a8e_8)
The expert's opinion
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1/27/2023
Repair work on sewer pipes
From the Mapei laboratories: specific products for any type of degradation.
![Doshi, a pioneer of social housing](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/171/doshi/thumbnail_doshi_2023-ok.tmb-realtamape.webp?Culture=en&sfvrsn=4efff98e_2)
The expert's opinion
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1/26/2023
Doshi, a pioneer of social housing
The Indian architect was awarded the prestigious prize in 2018.
![M4 Metro Line, Milan (Italy)](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/m4-milano/thumbnail.tmb-realtamape.webp?Culture=en&sfvrsn=6c07528e_10)
Focus
Underground constructions
Projects
/
1/26/2023
M4 Metro Line, Milan (Italy)
Admixtures for concrete, waterproofing membranes, and products to install ceramic tiles and stone materials for a new metro line focused on sustainability.
![Our role as tunnelling
and excavation facilitators](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/dal-negro/thumbnail.tmb-realtamape.webp?Culture=en&sfvrsn=a6f0538e_10)
Focus
Underground constructions
Interviews
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1/26/2023
Our role as tunnelling and excavation facilitators
The strategy of the Group for this sector is to combine effective application with environmental compatibility.
![Engineering ability and creativity: the high profile of Italian knowhow](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/174/pelia---capacità-ingegneristiche/thumbnail.tmb-realtamape.webp?Culture=en&sfvrsn=2b0f4c8e_10)
Focus
Underground constructions
Interviews
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1/25/2023
Engineering ability and creativity: the high profile of Italian knowhow
All around the world Italian tunnelling experts have demonstrated unrivalled expertise and flexibility when overcoming varying and unpredictable underground conditions.
![Parquet as a design product](https://cdnmedia.mapei.com/images/realta-mapei-images--new-/173/parquet/thumbnail_oggetto-arredo-legno_2023-ok.tmb-realtamape.webp?Culture=en&sfvrsn=c6e1f98e_2)
News
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12/14/2022
Parquet as a design product
Experts exchange views at a seminar held in Milan entitled “Wooden flooring: The present recapturing the past”
![It’s time to change](https://cdnmedia.mapei.com/images/thumbnail_lorenzo-onofri_2023-ok.tmb-mapei thum.jpg?Culture=en&sfvrsn=345cfb8e_1)
Interviews
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12/14/2022
It’s time to change
New solutions need to be found for a production system monopolised by just one type of wood (oak)