OverviewThe K 657 NF facing brick from the SINTRA range combines a natural clinker composition with a distinctive surface texture suited to architectural façades. With a visible side of 240 x 71 mm, this NF-format brick is intended for exterior cladding applications that require long-term weather resistance and a characteristic aesthetic.
Product details- Product line: SINTRA
- Format: NF (as shown)
- Assortment type: object range
- Available formats and finishes: on request
Technical specifications- Model: K 657 NF
- Visible dimensions: 240 x 71 mm
- Material: clinker (clay and loam)
- Firing temperature: >1000 °C
- Properties: weather-resistant, long service life, distinctive surface appearance suitable for façades
- Manufacturer note: clinker production tradition at Feldhaus for over 168 years