P.O. Box 100
Warroad, MN 56763
Integrity is the world's largest manufacturer of windows and doors made with Ultrex®, a highly durable, state-of-the-art pultruded fiberglass material that significantly outperforms vinyl, roll-form aluminum and composite products. Integrity low maintenance products are available in two series that feature either all fiberglass construction or real wood interiors to meet any project’s performance and aesthetic requirements.