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Professionals are increasingly confronted with incomplete or missing documentation when it comes to insulation improvements in homes. This leads to delays or reassessments, with consequences for sales, rentals, or completions. According to Helen Visser of the Dutch Homeowners' Association, the burden of proof surrounding insulation improvements is a growing bottleneck: “The energy label is definitely more important than it used to be, but people don't really know how to demonstrate how energy efficient their home is.”
The GND warranty label offers a reliable and demonstrable evidence. The label shows, among other things, the insulation class of the door, which allows EP advisors to determine more accurately and quickly what energy label a home actually has.
For security and good insulation, we recommend a minimum thickness of 54 mm for exterior doors. Want to know more? Watch the short explanatory video here:
Read the following item from the Dutch Homeowners' Association ❯❯
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Guaranteed GND GND has been setting the standard for quality doors for 35 years. GND is a foundation to which the top Dutch interior and exterior door manufacturers are affiliated. GND has been setting the standard for quality doors and offering clients and buyers assurance for 35 years. Manufacturers affiliated with GND must meet the requirements as [...].
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