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Fiber Glass Blowing Insulation for pneumatic application in open attics or closed cavities.

R-Value represents resistence to heat flow. The higher the R-Value, the greater the insulation power.

R-Value	Bags per 1000 Sq. ft	Minimum Weight Pounds per sq.ft	Minimum Installed Settled thickness	Applicable Standards
60	31.4	0.972	22.00"	Complies with ASTM C764, Type I. Thermal performance is determined by ASTM C687 and ASTM C518.
49	25.2	0.780	18.50"
44	22.4	0.695	16.75"
38	19.1	0.591	14.50"
30	14.9	0.462	11.75"
22	10.8	0.334	8.75"
19	9.3	0.289	7.75"
13	6.2	0.192	5.25"