R-Values

Typical Material R-Values

Material	R/Inch	R/Thickness
Fiberglass Batt	3.14
attic	2.2
wall	3.2
Rock Wool Batt
attic	3.1
wall	3.03
Cellulose Blown-In
attic	3.13
wall	3.7
Vermiculite	2.13
Autoclaved Aerated Concrete	3.9
Urea Terpolymer Foam	4.48
Rigid Fiberglass (> 4 lb/ft)	4
Expanded Polystyrene (beadboard)	4
Extruded Polystyrene	5
Polyurethane (foamed-in-place)	6.25
Polyisocyanurate (foil-faced)	7.2
Polyisocyanurate (Roof Insulation)
1"	5.6	5.6
2"	5.6	11.2
3"	5.6	16.8
4"	5.6	22.4

NFRC Certified

Storefront

Type	Manuf	Model	NFRC #	U-Factor	SHGC	VT
Window	Kawneer	Trifab 451T	P-KAW-7884	0.407	0.35
Door	Kawneer	Swinging Door w/ Frame	P-KAW-24214	0.482	0.209	0.345
Door	Kawneer	350 Double Wide	P-KAW-10920	0.69	0.16	0.14

Clad Wood

Type	Manuf	Model	NFRC #	U-Factor	SHGC
Window	Andersen	100 Series (Low-E)	AND-N-84-00294-00001	0.32	0.46
Window	Andersen	200 Series (Low-E)	AND-N-59-00849-00001	0.29	0.29

Viny

Type	Manuf	Model	NFRC #	U-Factor	SHGC
Window	Pella	Encompass	PEL-N-109-00111-00001	0.3	0.28
Door	Andersen	200 Series Gliding (Low-E)	AND-N-63-00763-00001	0.29	0.32

U-Factors

Hollow Metal Door - Polystyrene

Type	Manuf	Model	U-Factor
Door	Beacon Doors	L18 Serues	0.38

Sectional Insulated Metal Overhead Door

Type	Manuf	Model	U-Factor
OH Door	Overhead Door	Thermacore Model 850	0.078
OH Door	Overhead Door	Thermacore Model 593	0.038