Arbor is the best choice for heat economy in your building.

Heat conductivity of our windows are summarized in the below tables.

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Our windows are evaluated by independent laboratories according to European normes. The conformity to highest requirements is documented.

The tests carried on our sample consists of the following points:

  • Wind load resistance acording to EN 12210 and EN 12211.
  • Watertightness according to EN 1027 and EN 12208.
  • Air permeability according to EN 1026 and EN 12207.
  • Load – bearing capacity of safety device according to EN 14351-1 and EN 14609.
  • Thermal insulation according to EN ISO 10077-1.
  • Sound insulation according to EN 14351-1.