Insulated Hollow Metal Doors U Value

Installed u factor a tested value of actual energy loss whether heat or cold of an installed door wall or window assembly.
Insulated hollow metal doors u value. We provide energy efficient solutions with thermal break frames decorative openings with madera and sound control with sound tech xpress. Ceco door a leading manufacturer of steel and hollow metal doors and frames composite and commercial doors. The insulation of the best doors is in the range of u 0 10 0 20 metric. Hollow metal doors with this core type are most often used at exterior openings and can be fire rated up to 3 hours.
L18 series per astm c1363 r factor 2 64 u factor 38 3. B18 series steel stiffeners u factor 0 50 r value 2 01 b16 series steel stiffeners u factor 0 53 r value 1 89 l18 series honeycomb u factor 0 56 r value 1 80. The insulation value is much higher than the honeycomb but lower than the polyurethane. The lower the number the lower the energy loss and therefore the better the thermal performance.
Climador has an exceptionally low u value of up to 1 4u and has been added to the strongdor range to address the growing demand for thermally proficient insulated steel doors. 0 56 to 1 13 w m2k which is high compared to other doors but low compared to well insulated walls and attics with many inches of foam or mineral wool or other insulation material in their assemblies. Standard metal doors are 1 3 4 thick and are prime coat painted. One of the lowest operable u factor in the industry for a steel stiffened door u factor 36 first steel stiffened hollow metal swinging door to qualify for greenguard gold strong steel stiffened core for added strength and.
Provide exterior hollow metal doors and frames as complete and tested assemblies including approved hardware specified under section 087100 door hardware to meet the wind loads design pressures debris impact resistance and glass and glazing requirements as detailed in the. Obviously this is in part unavoidable. U value is the inverse of r value.