الحمد لله والصلاة والسلام على رسول الله وعلى آله وصحبه أجمعين THERMAL INSULATION AND LAGGING HVAC General Requirements Thermal insulation shall be of approved material with thermal conductivity not higher than 0.29 Btu/Hr/Ft2/F inch thickness measured at an average temperature of 100 F. Thermal insulation shall be non-corrosive to the […]
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