• Does the building insulation comply with Ukrainian standards?

  • How is a vapor barrier provided?

  • What materials are used?

  • What is the environmental level of the building? What is the emission of harmful substances?

  • Is there any tightness of the joints of structures? What are manufacturing tolerances for wood?

  • What fastener is used in the factory and during installation?

  • Is the quality control of the products and houses assembled?