Development and manufacture of screed additives (BEROLITH®) for reducing screed drying times
Berolina Bauchemie Behrendt GmbH
Mittenwalde (Dahmestraße 17A, 15749)New on Amplifa
About Berolina Bauchemie
Berolina Bauchemie Behrendt GmbH has been developing and manufacturing screed additives under the BEROLITH® brand since 1967 in Mittenwalde, south of Berlin. The company, converted into a GmbH in 1978, began as an internal solution for its own screed contracting firm and today specialises in screed additives that reduce the drying time of cement and calcium sulphate screeds to two to four days and increase strength values such as flexural and tensile strength. The products are made on the basis of synthetic resins or styrene-acrylate dispersions; since 2014 development and production have taken place in the company's own production facilities in Mittenwalde. Close dialogue with the flooring industry and the concrete industry gave rise to products such as BEROLITH® SPEZIAL FNK (1986, the first cement flowing screed) and BEROLITH® PREMIUM EXPRESS (2006). The liquid additives are supplied in 11-kg canisters and 1100-kg IBC containers via direct shipping and through selected dealers. Target groups are screed layers, architects and trades businesses in industrial flooring construction; communication is in German, English and Spanish.
- Site
- Mittenwalde
- Processes
- Development and manufacture of screed additives (BEROLITH® screed additives), Manufacture of BEROLITH® PREMIUM EXPRESS (high-performance additive for fast-hardening screeds), Manufacture of BEROLITH® K 50 EXPRESS (additive for fast-hardening screeds), Manufacture of BEROLITH® M 94 (additive for cement screeds, indoor and outdoor areas), Manufacture of BEROLITH® K 50 (polymer dispersion for screeds, bonding bridges, repair mortars), Manufacture of BEROLITH® SPEZIAL FNK (additive for abrasion-resistant wearing screeds and flowing, Manufacture of BEROLITH® KONZENTRAT (screed additive made from synthetic resins for cement and, Research and development of screed additives / construction chemistry
- Materials
- Synthetic resins, Styrene, Acrylate, Cement CEM I 32,5 R, Cement CEM I 42,5 R, CEM II cements (approved), Anhydrite (calcium sulphate screed), Cement screed
- Certificates
- Test certificates and pollutant assessments
- Founded
- 1967
- Industries
- Construction industry / screed layers and flooring construction, Concrete industry, Architects, Industrial flooring construction (workshops, warehouses, garages, assembly, Trades businesses
- 01
Research and development
- 02
Manufacture of the liquid additives
- 03
Filling into canisters and IBC containers
- 04
Distribution via dealers and direct shipping
- 05
Product consulting for screed layers and architects
Materials and formulations
Synthetic resins
Basic material of the BEROLITH® screed additives, free of aggressive substances and neutral towards underfloor heating and floor coverings.
Styrene-acrylate dispersion
Basis of BEROLITH® K 50 for polymer-modified screeds, bonding bridges, repair mortars and impregnations.
Cement CEM I 32,5 R
Recommended binder for screed mixes with BEROLITH® additives.
Cement CEM I 42,5 R
For higher strength classes such as CT C 45 F 6.
CEM II cements
Approved cements for use with BEROLITH® additives.
Anhydrite (calcium sulphate screed)
Screed type that can be modified with BEROLITH® KONZENTRAT for dry interior areas.
Cement screed
Screed types for which the additives are approved depending on product and dosage.
Sand 0-4 mm (aggregate)
Essential aggregate of the screed mixes with BEROLITH® additive.
Gravel/chippings 4-8 mm (aggregate)
Coarse aggregate for high-load-bearing screed formulations.
Site
Mittenwalde
DEHeadquarters, development, production and administration
- Materials
- Synthetic resins, styrene-acrylate dispersions
- 200-litre mixer (screed mix)
Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Development and manufacture of screed additives (BEROLITH® screed additives)Plastics | – | – | – | – | Synthetic resins, Styrene-acrylate dispersion, Polymers |
| Manufacture of BEROLITH® PREMIUM EXPRESS (high-performance additive for fast-hardening screeds)Plastics | – | – | – | – | Polymer technology (liquid additive) |
| Manufacture of BEROLITH® K 50 EXPRESS (additive for fast-hardening screeds)Plastics | – | – | – | – | Polymer dispersion |
| Manufacture of BEROLITH® M 94 (additive for cement screeds, indoor and outdoor areas)Plastics | – | – | – | – | – |
| Manufacture of BEROLITH® K 50 (polymer dispersion for screeds, bonding bridges, repair mortars)Plastics | – | – | – | – | Styrene, Acrylate |
| Manufacture of BEROLITH® SPEZIAL FNK (additive for abrasion-resistant wearing screeds and flowingPlastics | – | – | – | – | – |
| Manufacture of BEROLITH® KONZENTRAT (screed additive made from synthetic resins for cement andPlastics | – | – | – | – | Synthetic resins |
| Research and development of screed additives / construction chemistryEngineering | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Mixer (screed mix, 200-litre mixer) | – | – | 200-litre mixer (production/formulation specifications) | – | Mittenwalde |
Additional services
Quality and test documents
Data sheets, test reports, test certificates, heating-up/heating protocols as well as pollutant assessments and pollutant certificates are provided with the products. An environmental assessment confirms the neutrality of the products towards underfloor heating and floor coverings.
| Evidence | Mittenwalde |
|---|---|
| Test certificates and pollutant assessments |
Company history
- 1967
Founding of the company as an internal solution for its own screed contracting firm
- 1973
Relocation of the company headquarters to Berlin
- 1978
Conversion into a GmbH
- 1986
Development of BEROLITH® SPEZIAL FNK in cooperation with a world-leading concrete and cement manufacturer; first cement flowing screed
- 2006
Market launch of BEROLITH® PREMIUM EXPRESS with screed covering times of as little as 4 days
- 2014
Development and production in the company's own production facilities in Mittenwalde near Berlin