Dandy
LIGHT TRAPS #2
Dandy light traps are
The new Continuous Framing System from Dandy is designed to allow easy installation for all of Dandy's Black Air Light Traps. Whether constructing a dog house in front of the inlets, constructing a false wall, or blacking out an individual fan. The Continuous Framing System simplifies the process.
(See photos below)
Standard framing of a 16 foot long inlet
Continuous Framing System for a 65 foot wide false wall.
Installing light traps directly over fans can cause static pressure to go too high. Building a false wall about five feet from the fans, on the inside of the house is a superior way to block light at the fan end of a house. The false wall allows a larger area of light trapping, which puts less of a load on the fans, so static pressure stays low.
This photo shows a darkout wall under construction as seen from the inlet end of a house.
False wall under standard construction with
Dandy light trap vent boxes include an insulated hinged door ready to hook up to the vent machine. Vent boxes come in various sizes for easy installation. Light traps to fit the boxes are sold separately.
12" x 45" Prefabricated Vent Box with light trap.
one light trap in place.
with standard framing materials, or with the new Dandy continuous framing system. The photo to the left shows a 60" Black Air High-E light trap installed in front of a 16 foot long inlet opening of a tunnel house.
and installed