Thermal Doors & Frames
Energy Efficient Doors and Frames
With the ever-increasing costs of heating and cooling commercial buildings, Premier has designed and tested our products to the highest levels of thermal performance. Premier’s thermal doors are offered in a variety of door core solutions, with an industry best “operable” U-Factor of .34. All Premier assemblies were tested at an accredited laboratory, in an “operable” configuration to ASTM C1363-19 and SDI-113-23 test standards.
THERMAL Doors & Frames Testing
Testing Standards
ASTM 1363-19 Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus. SDI-113-23 Standard practice for determining the steady-state thermal transmittance of steel door and frame assemblies.
U-Factor
U-Factor is the door’s thermal conductivity. Based on measured heat flow through a sample at the temperature difference of the air on the indoor and outdoor sides. Lower U-Factor the better.
R-Value
R-Value is the door’s thermal resistance. Premier uses standard testing procedures established by ASTM International by means of a Hot Box Apparatus. Higher R-Value the better.
ASTM C1363 vs ASTM C518
ASTM 1363’s new criteria provides realistic values representative of actual room conditions and are based on the full surface of an operable door rather than just the center portion of the door surface as with old test procedures utilized in ASTM C518.
THERMAL FEATURES AND OPTIONS
Standard Features
- 18-gauge (16 gauge optional)
- 16-gauge top and bottom channels
- 14-gauge closer reinforcement
- 7-gauge hinge reinforcements
Special Options
- Hurricane Rated up to +/- 116 PSF 3070 (Single) +/- 80 PSF 6070 (Pairs)
- Fire Rated up to 3 Hours 4080 (Single) 8080 (Pairs) U-Factor .40
- Prime or Finish Paint Options (Contact Factor)
- 6-Panel and 2-Panel Designs Available (Size Limitations Apply – Consult Factory)
Cores
- Proprietary Polyurethane Core (U-Factor .34)
- Steel Stiffened Polyurethane Core (U-Factor .35)
- Polystyrene Core (U-Factor .40)
Available Sizes
- 4080 (Singles) 8080 (Pairs) .34 U-Factor – Polyurethane Core
- 40100 (Singles) 80100 (Pairs) .40 U-Factor – Polystyrene Core
- 4080 (Singles) 8080 (Pairs) .35 U-Factor – Steel Stiffened Polyurethane Core
Material
- Standard Galvanealed (A40) Steel