Tunnel Doors

Superior ait mixing
Eliminates dead air spaces or hot spots
Skin on the inside of the door can be black to aid in toom darkening
Material and lobor cost savings by eliminating the dog house
Polyurethane foam injected panels are available with an R-7 or R-11 insulation value
Added safety of door dropping to the inside allowing ventalation in case of operator or winching failure
Very easy to operate
Quick and easy to install
Wide range of custom sizes
Offers added energy cost savings and durability

Specifications

2.5 lb. density polyurethane foam
.090 extruded aluminum frame
.019 smooth inner and outer skin available in flat black or white(fiberglass skin alsoavailable)
1-1/8" epdm rubber P-seal
Aluminum extruded 1/8" wall hinge with a stainless 1/4" pin
Snap-on H-Channel meeting rail
Internal wood blocking for winching brackets