About Frost King
Frost King is Thermwell Products' brand for weatherstripping, sealing and home insulation, headquartered in Mahwah, New Jersey. It is a classic American DIY brand.
Its catalog includes weatherstrips, thresholds, window insulation kits, tapes and sealing products that improve the home envelope.
The brand sells through major hardware chains and publishes installation guides and product data on its official website.
Its catalog includes weatherstrips, thresholds, window insulation kits, tapes and sealing products that improve the home envelope.
The brand sells through major hardware chains and publishes installation guides and product data on its official website.