What Tassullo does

Tassullo is an Italian specialty construction materials manufacturer founded in 1909 in Trentino, operating under the legal name Miniera San Romedio S.r.l. The company designs, produces, and sells premixed mortars, plasters, finishes, structural reinforcement systems, waterproofing, and restoration materials based on Natural Hydraulic Lime NHL 5. Its portfolio is organised into six product lines — Aqua (dehumidification and waterproofing), Armis (structural consolidation), Crea (mineral finishes), Floor (screeds and adhesives), Roma (historic-artistic restoration), and Wall (wall stratigraphies) — alongside patented systems such as ARMIS ALL-IN-ONE and the CREA COLORS mineral finishes range. All products carry CE marking, ETA certification where applicable, and EPD declarations, and contribute to LEED, BREEAM, WELL, and ARCA green building ratings.

The company's vertical integration runs from raw material extraction — Scaglia Rossa Trentina marl and pure Dolomia from its own quarries and a 200m-deep active mine — through its Internal Research and Development Institute to finished premixed products. An Internal R&D Institute staffed by engineers, chemists, and physicists collaborates with the University of Trento on projects such as the Dhomo real-scale residential comfort laboratory. Distribution is a consultative, project-based B2B model targeting architects, engineers, and restoration contractors through a national Italian sales network and exports to over 9 international markets, with technical specification support rather than e-commerce.

A secondary, structurally distinct revenue stream is the TERA underground ecosystem — purpose-built chambers within the active mine leased to enterprise tenants for wine storage (Gruppo Cavit, ~2.5 million bottles at 270m depth), apple storage (Melinda, 40,000 tonnes), cheese aging (Trentingrana Concast, ~1,200 forms), and a Tier IV data centre (Intacture). Pricing for construction products is project-specific and quote-based; TERA rentals are contractual and recurring. With 51-100 employees, the company is a mid-sized private industrial firm whose 115+ year operating history and €1,000,000 share capital reflect a mature, owner-managed specialty materials business.

Name

Tassullo

Legal name

Miniera San Romedio S.r.l.

Website

https://tassullo.it

Company type

Private

Founded year

1909

Operating status

Operating

Headcount range

51–100 employees

Short description

Tassullo is a 1909-founded Italian manufacturer of Natural Hydraulic Lime-based construction and restoration materials, serving architects, engineers, and contractors in Italy and 9+ international markets through six product lines, and operating the TERA underground mine ecosystem as a recurring-revenue rental business.

Ownership category

akta.pro rank

Product category

Construction Materials

NAICS

Lime Manufacturing (32741), Cement and Concrete Product Manufacturing (3273), Other Concrete Product Manufacturing (327390)

SIC

Cement, Hydraulic (3241), Concrete Products, Except Block & Brick (3272), Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Textured Wall Finishes (Plasters, Stucco, Tadelakt) (IMADAKAH)

akta.pro secondary industry

Concrete Repair, Crack Injection & Grouts (IMADAOAD)

Keywords

• Natural hydraulic lime
• Construction mortars plasters
• Structural reinforcement systems
• Historic building restoration
• Dehumidifying waterproofing plasters

Headquarters

HQ city

Ville

HQ country

Italy

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Construction Materials Sales: Tassullo generates revenue through the manufacture and sale of premixed construction products — mortars, plasters, finishes, structural reinforcement systems, waterproofing, and restoration materials — primarily based on Natural Hydraulic Lime NHL 5. Products are sold through a domestic sales network covering all of Italy and distributed to over 9 international markets. Revenue is derived from one-time product transactions (not subscription), with a B2B model targeting architects, engineers, restoration specialists, and construction companies.
2. TERA Underground Space Rental: Tassullo generates revenue from renting purpose-designed underground spaces within its active mine to third-party companies. Tenants include Gruppo Cavit (wine storage, ~2.5 million bottles), Melinda (apple storage, 40,000 tonnes), Trentingrana Concast (cheese aging, ~1,200 forms), and Intacture (data centre). The constant 12°C temperature, natural water-tightness, and electromagnetic shielding make the spaces ideal for storage and computing. Revenue is contractual and recurring in nature.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels8 records

Core offering

Tassullo designs, manufactures, and distributes premixed construction products based on Natural Hydraulic Lime NHL 5, including mortars, plasters, structural reinforcement systems, waterproofing/dehumidification solutions, mineral finishes, and floor/wall systems. The company serves new construction, building regeneration, and historic-artistic restoration markets in Italy and over 9 international markets. It also operates the TERA underground mining ecosystem, renting purpose-built subterranean chambers for food storage and data centre use.

Product overview

Tassullo is a construction materials manufacturer specializing in products and integrated systems for new construction, building regeneration, historic-artistic restoration, and sustainable building. The company's product portfolio is organized into six main product lines (Aqua, Armis, Crea, Floor, Roma, Wall) that cover dehumidification, structural consolidation, interior and exterior finishes, historic-artistic restoration, and wall and floor applications. All products use Natural Hydraulic Lime NHL 5 as the primary binder, extracted from the company's own quarries in Trentino. Key branded offerings include ARMIS ALL-IN-ONE (structural connection system), CREA COLORS (mineral finishes), RENOVA (concrete restoration), CARBON/FRP (structural reinforcement), and HYDRO (waterproofing). The company also operates TERA, a unique underground mining ecosystem for sustainable storage solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Dhomo: A unique research project and real-scale laboratory that allowed Tassullo to formulate innovative products not only from a technical standpoint but also in terms of the philosophy around which they were conceived: contributing to residential well-being. Developed in collaboration with the University of Trento.
• Tera

Products and services

• ARMIS Line — Structural Reinforcement and Concrete Restoration Systems Structural mortars, meshes, connection systems, FRP systems, and concrete restoration products for consolidation, rehabilitation, and securing of masonry and concrete structures. For architects, engineers, and contractors executing structural reinforcement, seismic strengthening, and concrete repair.
• AQUA Line — Waterproofing and Dehumidifying Plasters Complete range for rehabilitating and protecting masonry affected by capillary rise, high moisture content, and presence of polluting salts. Includes waterproofing, dehumidifying plasters, and salt treatments. Includes HYDRO FIX, HYDRO BARRIER, HYDRO STOP, and HYDRO MULTI LAYER waterproofing products. For restoration contractors and engineers addressing rising damp.
• CREA Line — Mineral Finishes for Interior and Exterior

Quantifiable outcome

• Melinda stores 40,000 tonnes of apples underground in TERA, reducing energy costs and saving surface land
• +3 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Five partnerships are on record, tiered major and core.

• Trentingrana ConcastmajorOthers · 1 January 2022Since 2022, Trentingrana Concast has been aging approximately 1,200 forms of Trentingrana cheese (the hard cheese symbol of Trentino excellence) in TERA's underground chambers, protected by 80,000 cubic metres of rock. Results from initial verification were extremely positive, scaling from 160 forms at the start of the experiment.
• Gruppo CavitmajorOthers · 1 January 2021Since 2021, Gruppo Cavit (an exemplary consortium uniting multiple social wineries of the territory) stores approximately 2.5 million bottles of its premium Altemasi Trento Doc sparkling wine in TERA's underground chambers at 270m depth, benefiting from the constant 12°C temperature ideal for 24-month classical method aging. Tassullo provides the purpose-designed underground space.
• Università degli Studi di TrentocoreStrategic or Co-development PartnerLong-standing R&D collaboration with the University of Trento, involving joint research projects such as the DHOMO residential comfort laboratory (full-scale real-world construction experiment comparing different construction technologies) and the development of the ARMIS ALL-IN-ONE structural connection system. University engineers and Tassullo's Internal Research Institute collaborated on testing and certification of structural systems.
• MelindamajorOthersMelinda, a leading fruit consortium, uses TERA's underground chambers as its largest apple storage facility with 40,000-tonne capacity. Tassullo designed the extraction to create purpose-built rock chambers that maintain the organoleptic qualities of the fruit while significantly reducing energy costs and saving surface land.
• IntacturecoreOthersIntacture is Europe's first data centre located inside an active mine, housed in the TERA underground ecosystem. The facility benefits from natural protection from hydrogeological and electromagnetic risks. Tassullo designed and built the underground space, while Intacture operates the Tier IV data centre infrastructure. The project promotes R&D of advanced technological solutions.

Scale indicators12 records

Recent moves10 records

Expansion highlights6 records

Regional players

• Fassa Bortolo: Italian building materials group producing mortars, plasters, finishes, and restoration systems. Competes with Tassullo across most Wall, Floor, and Roma product lines within Italy and select export markets.
• Edilteco: Italian manufacturer of lightweight screeds, thermal-insulating plasters, and premixed mortars. Overlaps with Tassullo's Floor and Wall (insulating plasters) lines, primarily serving the Italian market like Tassullo.

Broad incumbents

• Sika AG: Swiss specialty chemicals company with a major concrete repair, structural strengthening, and waterproofing portfolio. Sika's FRP/CRM systems compete with Tassullo's ARMIS line, and its global footprint far exceeds Tassullo's, though Sika is less specialized in NHL lime plasters.
• BASF Master Builders Solutions: BASF's construction chemicals division offering concrete repair, waterproofing, and structural strengthening systems. Competes with Tassullo's RENOVA, HYDRO, and ARMIS product families through a much larger global distribution network.
• Saint-Gobain Weber: Global building materials giant's facade, mortar, and tile-adhesives brand. Weber competes across Tassullo's Wall, Floor, and Aqua lines with broader geographic reach and far larger R&D scale, but lacks Tassullo's proprietary geological raw material access.

Emerging players

• Calix Heritage & Lime: Specialist producer of natural hydraulic lime products for heritage restoration and ecological construction. Overlaps with Tassullo's NHL-based Roma and Wall restoration lines at a smaller, niche scale.
• Ruregold (later Fibrocev): Italian specialist in FRCM/FRP structural reinforcement systems using carbon fiber and alkaline-resistant glass. Direct competitor to Tassullo's ARMIS and CARBON lines in the Italian seismic-retrofit specification market.

Direct peers

• Kerakoll: Italian manufacturer of green building products including natural lime-based mortars, plasters, and finishes for new construction and historic restoration. Kerakoll overlaps directly with Tassullo's Wall, Crea, and Roma lines and targets the same sustainability-focused specification channel (LEED/BREEAM).
• Fixit (Fixit Trockenmörtel): Swiss-Austrian manufacturer of natural hydraulic lime mortars, plasters, and restoration products with strong heritage-restoration positioning. Fixit is a close specialist peer to Tassullo's Roma and Wall lines, with comparable NHL focus but no equivalent underground ecosystem business.
• Mapei: Italian-headquartered global leader in construction chemicals, adhesives, sealants, and mortars. Mapei directly competes with Tassullo across premixed mortars, structural reinforcement, restoration, and floor systems, and serves the same architects/engineers/contractor channel worldwide — making it the closest large-scale comparator.

Market position

Strengths1 record

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/tassullo
• LinkedInlinkedin.com/company/tassullo
• Instagraminstagram.com/tassullo

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tassullo