Alpen's competitive edge is its proprietary thin-glass insulated glass unit technology, which delivers industry-leading thermal performance up to R15 and is now sold to competing window and door manufacturers, making it both a supplier and a brand.
Sales of its Winsert secondary glazing and commercial windows have grown more than fourfold as the company scaled automated manufacturing to meet surging demand.
Alpen operates in the building energy-efficiency and fenestration market, where demand for high-performance windows and doors is rising as builders and owners seek to cut heating and cooling costs.
Its recent $6 million Series B close, part of a targeted $10 million round, is being used to scale manufacturing operations and expand capacity to meet that growing demand across both commercial and residential construction.
Alpen's product lines center on advanced thin-glass insulated glass units reaching up to R15 insulating performance, manufactured with automated capability it also sells to other North American window and door makers.
The portfolio includes high-performance fiberglass and uPVC windows and doors plus Winserts, its best-in-class secondary glazing inserts that boost insulation on existing windows without full replacement.
