http://www.rhinolinings.com/spf – Insulation hot boxes, like the one in this video, allows you to see the insulating properties of spray foam insulation compared to traditional insulation like cellulose and fiberglass. This is an uncut video of a hotbox running for 15 minutes. Watch the ping pong balls. Floating balls mean that air is escaping. Also watch the temperatures throughout the video. Rising temperatures mean that heat from the bottom cavity is escaping into the upper cavities. Learn more at http://www.rhinolinings.com/spf.
Post time: Jun-26-2017