ZVDH material guarantee for BaliTech GmbH

“First-class” Performance: Certified Quality for the Highest Standards in Roofing Applications

Several proven roofing products from BaliTech GmbH, a member of the BOSIG Group, have been awarded the Material Guarantee of the Central Association of the German Roofing Trade (ZVDH).

The following products are now certified with the ZVDH Material Guarantee:

  • Aluflex es and Aluflex Brüstung es
  • Aeroflex 210 es
  • Aeroflex 315
  • Aeroflex 350
  • Aeroflex 500 es
  • Rooflex es
  • Rooflex XL es
  • Rooftack


Logo stating that a material guarantee is deposited with the ZVDH

Greater Security for Roofing Contractors

The ZVDH Material Guarantee offers member roofing companies a decisive advantage:
It protects them against financial risks arising from potential material defects – even years after installation.

With BaliTech’s certified products, roofing contractors benefit from tested quality, outstanding durability and safe, practical installation.

Your Benefits at a Glance

Financial Security: Reduced liability risks – including damage that may occur at a later stage. 

Strong Sales Argument: The ZVDH seal builds trust with property owners and end customers. 

Planning Reliability: Clear manufacturer specifications and coordinated technical data sheets ensure reliable, standards-compliant installation.

“With the ZVDH Material Guarantees, we underline our commitment to durable, safe and user-friendly products,” explains Harry Leichmann, Managing Director of BaliTech GmbH.
“Our certified roofing solutions make demanding projects predictable, cost-effective and customer-focused for roofing contractors – reliable from the manufacturer to the construction site.”

ZVDH Material Guarantee Certificate – Download (in German)

“Material guarantee certificate for BaliTech GmbH issued by the ZVDH (German Roofing Trade Association), dated 04 February 2026.” (in German) [PDF - 320 kB]

Products registered with the ZVDH

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