ThermoMark™ 5255 Sectional Steel Door
Minimize energy costs and experience year-round comfort with the ThermoMark™ 5255 Sectional Steel Door. Hot-dipped galvanized steel and rugged construction will provide years of reliable performance in even the most demanding conditions.
Product Specs
Construction
Hot-dipped galvanized steel construction is pre-painted prior to manufacturing with a two-coat system of polyester paint with a finished coat
Hinge locations have 20-gauge continuous back up plates for fastening
Section ends have end caps of 18 gauge hot-dipped galvanized steel
Features
Inside and outside skins are roll-formed and separated with a thermal break to eliminate thermal conductance
Excellent insulation with an R-Value of 16.22 and U-Factor of 0.12
Options
Available with the TruChoice™ Color System
Brochure
Wayne Dalton ThermoMark™ 5255 Sectional Steel Door Brochure
Highlights
| Material | Steel | |||||||||||||||
|
R-Value ? R-value measures how well a material resists heat flow: the higher the R-value, the better the insulation. For doors, a higher R-value helps improve energy efficiency by keeping indoor temperatures more stable. R0-R6 = 1 star | 16.22 (★★★★) | |||||||||||||||
|
U-Factor ? U-Factor measures how well a door keeps heat from escaping. The lower the number, the better the insulation. Unlike R-Value, which only measures material resistance, U-Factor reflects the performance of the entire door system, making it a more accurate measure of energy efficiency.
| 0.12 (★★★★) |
