Aircraft fluid lines are usually made of metal tubing. or flexible hose. Metal tubing (also called rigid fluid. lines) is used in stationary applications and where long, relatively straight runs are possible. They are widely. used in aircraft for fuel, oil, coolant, oxygen, instru-. ment, and hydraulic lines. Flexible hose is generally. used with moving parts or where the hose is subject. to considerable vibration. Occasionally, it may be necessary to repair or replace. damaged aircraft fluid lines.
* Note excessive heat. If it's 90 degrees outside, the attic temperatures shouldn't exceed 110, according to home inspector Jamison Brown of AmeriSpec Home Inspection Services in Poquoson. However, more often than not, around here I find attic temperatures to be in excess of 125 on a 90-degree day, he says.
It is recommended that homes in Ontario have R50 value of attic insulation installed. This is around 18.5 - 23.5 inches depending on the type of insulation already there and what you want blown in. Step 1: Find the R Value of your existing insulation.