Friday, July 31, 2020

Paint Booth Construction Continues

We discovered that the walls of the paint booth were not plumb and many corners were not right angles.  We added some bracing in the corners to correct this problem.  Once the walls were corrected we added framing for the inlet air.  We framed two 20"x20" air inlets to accept 20" Box fans and 20"x20" filters.  We also framed in the area around the A/C hoses to isolate them from the room.

Inlet Air Framing
Framing around A/C hoses
On the front of the paint booth, we will have two removable doors to bring the large pieces of the airplane inside.  We framed these in with 2x4s and we have the provisions for 4 air exit ports if needed.  We'll tune the airflow on the room later.
Ed admiring the two new front doors
Once the framing was done, we started installing Plastic on the walls  Depending on the location, need for light transmission, and viewing pleasure we installed various thicknesses of plastic.  2mil plastic with the best clarity will be used on the ceiling.  Our 4mil plastic is the cloudiest and was installed on the back wall and the left wall.  The right wall got a section of 4mil plastic around the inlet air filters. Between that section and the small entry doorway clear 2mil was used so that work could be monitored outside the paint booth.  And finally, a small section near the front of the paint booth was covered with 4mil to finish the walls.

The two front doors were covered with a 6mil plastic we had laying around who's clarity was somewhere between the 2mil and 4mil plastic we bought recently. 

Plastic Going Up on Walls

Front Doors with Plastic Covering
One trick we found while watching someone build a paint booth with plastic, was to put duct tape underneath every staple used to secure the plastic.  This will help keep the plastic from ripping at the staple points.  Hours: 14.5

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