For Builders & Architects

Shop drawings, large openings, GEALAN S 8000 and LINEAR, lift-and-slide doors, and Minnesota fabrication lead times for custom homes and commercial work.

VERMAK fabricates GEALAN uPVC tilt-and-turn windows in Coon Rapids with Winkhaus hardware and Cardinal glass — not imported finished units.

LINEAR is the slimmer modern 74 mm platform. S 8000 is the classic workhorse. Both are German-engineered GEALAN profiles fabricated by VERMAK in Minnesota.

Building a home that meets passive standards is more than just a trend - it’s a commitment to energy efficiency, comfort, and sustainability. Passive homes are designed to use minimal energy for heating and cooling, creating a living space that is both environmentally friendly and cost-effective. But what exactly makes a home meet these rigorous standards? This article breaks down the essential elements that define a passive home and offers practical insights for anyone inter