Fiberglass Insulation

Thermal conductivity of fiberglass insulation - temperature and k-values.

Temperature (°F)	Temperature (°C)	Thermal Conductivity k-value (Btu/hr·ft·°F)	Thermal Conductivity k-value (W/m·K)
-100	-73.3	0.135	0.234
-50	-45.6	0.138	0.239
0	-17.8	0.142	0.246
50	10	0.147	0.254
100	37.8	0.153	0.265
150	65.6	0.16	0.277
200	93.3	0.168	0.291
250	121.1	0.177	0.306
300	148.9	0.188	0.325