Therma Tech 3500
Northwest Steel Overhead Door
The Therma Tech 3500 has an insulation value of 10.4. It features a sandwich construction, a flexible joint seal and a natural thermal barrier.
(Previously Therma Tech II)
6 Wood Grain Textured Panels
Insulation: 2 in. Thick EPS, R=10.4
15 Window Design Options Available
9 Glass Options Available
5 Color Options Available and 2 Wood Grain Options Available on Select Models
2 Decorative Hardware Kit Options Available on Carriage Panel Only
