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Kellerer ZMK – Fertigung

Manufacturer of highly thermally insulating masonry bricks and diffusion-open facade elements with AdPor® filling

Kellerer ZMK Logo

Ziegelsysteme Michael Kellerer GmbH & Co. KG

Ziegeleistraße 13, 82281 OberweikertshofenNew on Amplifa

Oberweikertshofen (Bavaria)Site
Michael KellererOwner/Management
0,065 W/(mK)Thermal conductivity ZMK X6,5
36.5 cmWall thickness up to EfH 40

About Ziegelsysteme Michael Kellerer

Ziegelsysteme Michael Kellerer GmbH & Co. KG manufactures at its own brickworks in Oberweikertshofen (Bavaria) energy-efficient masonry bricks made of fired clay for residential construction, commercial construction, as well as for architects, planners and building contractors. The product range includes filled insulation bricks such as the ZMK X6,5 with a thermal conductivity of 0,065 W/(mK) at a wall thickness of 36.5 cm, and the load-bearing ZMK-R8 for multi-family, residential and commercial buildings. The high-tech filling AdPor® is inserted into the chambers of the bricks and provides high thermal insulation values, resistance to moisture and living comfort. With the diffusion-open facade element ZMK FE175 (175 mm, bulk density class 0.50 kg/dm³), the company offers a solution for facade renovation of existing buildings. ZMK supports building owners and planners with consulting, the ZMK Selektor selection tool, EPD environmental product declarations from the Institut Bauen und Umwelt e.V., as well as technical documentation and references.

Site
Oberweikertshofen
Processes
Manufacture of thin-walled highly thermally insulating bricks (filled insulation bricks with AdPor®), Manufacture of diffusion-open facade elements (ZMK facade element FE175), AdPor® filling of bricks (insulation bricks), Consulting/planning support for architects and building owners (ZMK+ Rat & Tat), ZMK Selektor for selecting suitable bricks, EPD environmental product declarations, Downloads/Technical information
Materials
fired clay (brick), AdPor® high-tech filling (insulation material), Fired clay (brick)
Certificates
EPD (Institut Bauen und Umwelt e.V.)
Industries
Residential construction (single-/multi-family houses, residential complexes), Commercial construction, Building contractors, Architecture/planning
  1. 01

    Clay preparation and shaping of the bricks

  2. 02

    Drying and firing of the clay

  3. 03

    Filling of the brick chambers with AdPor® high-tech filling

  4. 04

    Quality assurance and technical documentation

  5. 05

    Consulting and sales to architects, planners and building contractors

Materials & Filling Technology

Ton

Fired clay (brick)

Ceramic base material of the bricks with high fire resistance duration, resistance to moisture and 100 % recyclability.

AdPor

AdPor® high-tech filling (insulation material)

Moisture-resistant insulation material for filling the brick chambers for maximum thermal insulation and diffusion-open construction methods.

Sites

Oberweikertshofen

DE

Brickworks / Administration

Materials
Fired clay, AdPor® filling

Product Groups

Exterior wall bricks (ZMK X6,5, ZMK-R8)
Exterior wall bricks (ZMK X6,5, ZMK-R8)Filled insulation brick · Single- and multi-family houses
Interior wall bricks
Interior wall bricksBrick masonry · Residential construction
ZMK facade element FE175
ZMK facade element FE175Diffusion-open facade insulation · Renovation of existing buildings
System accessories
System accessoriesMasonry accessories · Commercial construction

Inside the production

ZMK X6,5 – Building up to Efficiency House level 40
ZMK X6,5 – Building up to Efficiency House level 40
AdPor® – The high-tech filling
AdPor® – The high-tech filling
Facade renovation with ZMK FE175
Facade renovation with ZMK FE175
ZMK Selektor for brick selection
ZMK Selektor for brick selection

Industries

Residential construction (single-/multi-family houses, residential complexes)Commercial constructionBuilding contractorsArchitecture/planning

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Manufacture of thin-walled highly thermally insulating bricks (filled insulation bricks with AdPor®)Plastic––––Ton, AdPor
Manufacture of diffusion-open facade elements (ZMK facade element FE175)Plastic––––Ton, AdPor

Additional services

AdPor® filling of bricks (insulation bricks)Consulting/planning support for architects and building owners (ZMK+ Rat & Tat)ZMK Selektor for selecting suitable bricksEPD environmental product declarationsDownloads/Technical information

Quality & Declarations

For the bricks filled with insulation material, the Institut Bauen und Umwelt e.V. (IBU) provides EPD environmental product declarations; technical data such as thermal conductivity values and compressive strengths are stated.

EvidenceOberweikertshofen
EPD (Institut Bauen und Umwelt e.V.)

History

  1. 2025

    Michael Kellerer, owner of Ziegelsysteme Michael Kellerer GmbH & Co. KG, received the Bavarian SME Award of the Mittelstands-Union for the Upper Bavaria region.

  2. 2026

    Introduction of the diffusion-open ZMK facade element FE175 as a world first for facade renovation of existing buildings.

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