SEAC
SEAC is a privately held French manufacturer, founded in 1962, of prestressed and precast concrete construction systems — floors, structural elements, walls, and decorative products — operating 27 production sites nationwide and serving individual house builders, collective housing developers, industrial/office builders, and grouped housing developers through a distributor network and direct factory sales.
- Company typePrivate
- Founded1962
- HeadquartersToulouse, France
- Headcount501–1,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What SEAC does
SEAC is a French private manufacturer of precast and prestressed concrete construction products, founded in 1962 and headquartered in Toulouse. The company operates 27 production sites across metropolitan France, all manufacturing 100% in France, and serves construction professionals across five end-use segments: individual house builders, collective housing developers, industrial/parking structures, offices and public buildings, and grouped housing developers. Its product portfolio centers on integrated building systems rather than standalone components: (1) Planchers Poutrelles Hourdis — floor systems combining prestressed joists with insert types including polystyrene (Polyseac), wood composite (EBS, Seacbois), and acoustic solutions (Seacoustic); (2) Structure Précontrainte — prestressed elements such as hollow-core slabs (Dalle alvéolée), industrial beams, predalles, and the award-winning Reverso; (3) Murs — concrete blocks including insulating blocks (Easytherm, Bloctherm), rectified blocks (Bloc R), and fire-resistant systems (DuoMur); (4) Voirie, conduits de fumée, and the Pierr'Dall decorative range. Underlying technology relies on automated prestressed concrete production, proprietary heat-treatment processes that deliver a 4x energy-impact reduction, and engineered formulations using CEM II cement, with quantified thermal/acoustic/CO2 performance metrics (e.g., -4.86 kg CO2/m² for EBS, 1 tonne CO2 saved per 22m² of Seacoustic floor, Up 0.11 W/m².K on Polyseac) certified by CSTB, CERIB, PEFC, and compliant with RE 2020.
The business model is hardware sales of precast concrete products priced per unit or per square meter. Distribution is primarily indirect through a national network of négociants-stockistes (distributor-stockists) supported by SEAC's design offices and proprietary software (Seac Plan, predimensioning calculators, Bati-info) that is reserved for partner distributors, with direct factory sales available from the 27 plants for larger accounts. Revenue is not publicly disclosed; the company is privately held with no parent or investor ownership disclosed. SEAC competes on nationwide proximity, certification depth, and engineered-system performance, and uses a multi-channel marketing mix including a technical website, professional documentation, trade show participation (Nordbat, Enerj Meeting, Forum International Bois Construction), social media, and a newsletter to reach specifiers and builders.
SEAC firmographics
Firmographics- Name
- SEAC
- Legal name
- SEAC
- Website
- https://seac-gf.fr
- Company type
- Private
- Founded year
- 1962
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- SEAC is a privately held French manufacturer, founded in 1962, of prestressed and precast concrete construction systems — floors, structural elements, walls, and decorative products — operating 27 production sites nationwide and serving individual house builders, collective housing developers, industrial/office builders, and grouped housing developers through a distributor network and direct factory sales.
- Ownership category
- akta.pro rank
SEAC industry classification
Industry- Product category
- Precast Concrete Building Systems
- NAICS
- Cement and Concrete Product Manufacturing (3273), Other Concrete Product Manufacturing (327390), Concrete Block and Brick Manufacturing (327331), Other Concrete Product Manufacturing (32739)
- SIC
- Concrete Products, Except Block & Brick (3272), Concrete, Gypsum & Plaster Products (3270)
- akta.pro primary industry
- Precast Concrete Products (IMADAAAB)
Keywords
Where SEAC is headquartered
LocationHeadquarters
- HQ city
- Toulouse
- HQ country
- France
- HQ region
- Europe
Offices28 records
Markets served
SEAC business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Precast Concrete Products Sales: SEAC generates revenue primarily through the sale of precast concrete products including prestressed concrete floors (poutrelles hourdis), ribbed floors, hollow-core slabs, predalles, industrial beams, concrete blocks, and decorative elements. Products are sold through distributor networks and directly from 27 production sites.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
SEAC product offering
Product offeringCore offering
SEAC manufactures and sells precast concrete construction products, specializing in prestressed concrete floor systems (poutrelles hourdis), hollow-core slabs (dalle alvéolée), industrial beams, insulating and bio-sourced wall blocks, and decorative concrete elements under the Pierr'Dall brand. Products are sold through a network of distributors and directly from 27 production sites across France to construction professionals and developers. The company also provides proprietary software tools (Seac Plan, Bati-info) for technical floor studies and project predimensioning.
Product overview
SEAC is a French manufacturer of precast concrete products for the construction industry, specializing in prestressed concrete floors and pressed concrete products. The company operates 27 production sites across France. The product portfolio consists of multiple integrated systems: (1) Planchers Poutrelles Hourdis - floor systems combining prestressed joists with various insert types including Polystyrene (Polyseac), wood composite (EBS, Seacbois), and acoustic solutions (Seacoustic); (2) Structure Précontrainte - prestressed structural elements including hollow-core slabs, industrial beams, and ThermoPrédalle; (3) Murs - concrete block walls including insulating blocks (Easytherm, Bloctherm), rectified blocks, hollow blocks, and formwork blocks; (4) Voirie - road curbs; (5) Conduits de fumée - smoke ducts; (6) Gamme Seac-Pierr'Dall - decorative concrete elements for landscaping. The products are supported by proprietary software tools (Seac Plan, Bati-info, predimensioning calculators) that enable technical optimization and cost estimation. SEAC's offerings are designed to work as complete building systems meeting French thermal regulations (RE 2020) with a focus on low-carbon construction.
Differentiator
Problem solved
Functional benefit
Brands
- Pierr'Dall: Decorative concrete product line including dallage (paving), piscine (pool tiles), parements (wall cladding), architecture elements, and jardin (garden) products
- Seacbois
- Seacisol
- Seacoustic
- Seacwatt
- Polyseac
- EBS (Entrevous Bois Seac)
- Easytherm
- Bloctherm
- Stoptherm
- DuoMur
- Reverso
Quantifiable outcome
- 25% reduction in thermal dissipation for 80m² floor (Up 0.23)
- +7 more outcomes
Companies that use SEAC
Customer profileSegments5 records
Ideal customer profiles4 records
SEAC technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
SEAC partnerships and signals
Strategic signalPartnerships
13 partnerships are on record, tiered minor.
- FIBOISminorWood industry federation partnership for wood construction and biosourced materials development.
- CD2EminorEnvironmental and sustainable development center supporting eco-responsible construction.
- AMO (Assises de la Maison Ovale)minorNational organization for quality housing construction.
- Pôle Habitat FFBminorFédération Française du Bâtiment housing pole for quality construction standards.
- UntecminorEngineering economists union providing technical and economic expertise.
- SynamomeminorProfessional organization for construction economics and project management.
- Constructeur maisons de qualitéminorQuality house builders network promoting high-standard residential construction.
- EthiBatminorSustainable construction and environmental approach organization.
- Vide SanitaireminorCrawl space technology and construction association.
- By BétonminorConcrete industry promotion and information organization.
- FRANCE BLOCSminorConcrete block manufacturers federation representing the industry.
- Façade F4minorFacade construction and insulation technology organization.
- UICB (Union des industriels et constructeurs bois et biosourcés)minorUnion of wood and biosourced material industrialists and builders promoting sustainable construction.
Scale indicators7 records
Recent moves6 records
Expansion highlights5 records
SEAC competitors and assessment
Company assessmentDirect peers
- KP1: Leading French manufacturer of precast concrete floors, beams and structural elements (poutrelles, prédalles, dalles alvéolées). Directly comparable product portfolio and customer base (French builders, distributors) to SEAC.
- Rector (Rector Lesage): Major French producer of prestressed concrete floor systems and structural elements, with nationwide production network. Closely overlaps SEAC on hourdis, poutrelles, prédalles and insulating floor solutions.
- EDYCEM (Edilteco Group): French precast concrete manufacturer focused on floors, walls and lightweight solutions for residential construction. Competes with SEAC on insulating floor systems and masonry blocks in France.
- Alkern: French manufacturer of concrete blocks, paving and precast elements with multiple production sites. Overlaps SEAC on concrete blocks (Easytherm/Bloctherm equivalent) and structural masonry offerings.
- Fabemi: French precast concrete producer specializing in blocks, slabs and structural elements for building and infrastructure. Comparable product mix and distribution model to SEAC.
- Bonna Sabla: French precast manufacturer of infrastructure and building products including beams, slabs, walls and drainage. Comparable on large-span prestressed and structural products serving French construction.
- Stradal (CRH group): French precast concrete producer (part of CRH) manufacturing structural elements, beams and floors. Competes with SEAC in French infrastructure and commercial building segments.
Broad incumbents
- Wienerberger France: European leader in clay construction materials (bricks, blocks) with strong French presence. Competes with SEAC's wall/block portfolio via a different material but in identical customer segments (French builders, RE 2020 positioning).
Emerging players
- Xella France (Ytong, Multipor): Manufacturer of aerated autoclaved concrete and mineral insulation blocks. Competes with SEAC's insulating block range (Easytherm, Bloctherm) on thermal performance and is gaining share under RE 2020.
Regional players
- Bouyer Leroux: Major French manufacturer of clay bricks and concrete blocks, headquartered in western France. Competes regionally with SEAC's wall block offerings while sharing French construction customer base.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
SEAC social profiles
Digital presenceSEAC compliance and trust
Trust signalCompliance8 records
SEAC financial estimates
Financial estimateRevenue estimate
Valuation estimate
SEAC leadership team
Management profileNumber of profiles
SEAC subsidiaries and ownership
Company hierarchySubsidiaries1 record
SEAC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SEAC M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SEAC
What does SEAC do?
SEAC manufactures and sells precast concrete construction products, specializing in prestressed concrete floor systems (poutrelles hourdis), hollow-core slabs (dalle alvéolée), industrial beams, insulating and bio-sourced wall blocks, and decorative concrete elements under the Pierr'Dall brand. Products are sold through a network of distributors and directly from 27 production sites across France to construction professionals and developers. The company also provides proprietary software tools (Seac Plan, Bati-info) for technical floor studies and project predimensioning.
Is SEAC a public or private company?
SEAC is a private company. It is classified as unknown and is currently operating.
When was SEAC founded?
SEAC was founded in 1962. It employs 501 to 1,000 people.
Where is SEAC based?
SEAC is headquartered in Toulouse, France, in the Europe region.
How does SEAC make money?
One revenue line is on record: precast Concrete Products Sales.
Who are SEAC's main competitors?
Direct peers on record are KP1, Rector (Rector Lesage), EDYCEM (Edilteco Group), Alkern, Fabemi, Bonna Sabla and Stradal (CRH group). Wienerberger France is listed as a broad incumbent. Xella France (Ytong, Multipor) is listed as an emerging player. Bouyer Leroux is listed as a regional player.
Does SEAC have an API?
No public API is recorded for SEAC.
What industry is SEAC in?
SEAC's product category is Precast Concrete Building Systems. Its primary akta.pro industry code is IMADAAAB, Precast Concrete Products. Its NAICS code is 3273 and its SIC code is 3272.