AK Board™

Name: AK Board™
Brand: Knauf Insulation

This thermal and acoustical insulation is made from inorganic glass fibers preformed into boards bonded by a thermosetting resin. It’s available plain, or with factory-applied FSK or ASJ facings.

Applications

Certifications

Product Features

Versatile

AK Board can be used to insulate everything from heating and air conditioning ductwork, boiler installations, walls, roofs, and more.

Thermal & Acoustic

AK Board is useful both for creating more energy-efficient spaces, as well as for absorbing sound to reduce unwanted noise.

Sustainable

AK Board is made with our bio-based ECOSE® binder and is formaldehyde-free. It’s also made with at least 50% recycled glass.

Product Details

Technical Data

TECHNICAL DATA
PROPERTY (UNIT)	TEST	PERFORMANCE
Corrosiveness	ASTM C665	Does not accelerate corrosion of steel
Corrosion	ASTM C1617	Pass
Linear Shrinkage	ASTM C356	Less than 0.3%
Maximum Service Temperature	ASTM C411	450° F (232° C)
Water Vapor Permeance	ASTM E96, Procedure	0.02 perms
Water Vapor Sorption (by weight)	ASTM C1104	Less than 5%
Puncture Resistance	TAPPI T803, Beach Units	FSK facing: 25, ASJ facing: 50
Microbial Growth	ASTM C1338	Pass
Surface Burning Characteristics (flame spread/smoke developed)	ASTM E84, UL 723, CAN/ULC S102, NFPA 90A and 90B	UL/ULC Classified FHC 25/50

Thermal Conductivity

MEAN TEMPERATURE	1.6 PCF		3.0 PCF		6.0 PCF
MEAN TEMPERATURE	K	K(SI)	K	K(SI)	K	K(SI)
75° F (24° C)	0.24	0.035	0.23	0.033	0.22	0.032
100° F (38° C)	0.25	0.036	0.24	0.035	0.23	0.033
200° F (93° C)	0.33	0.048	0.29	0.042	0.27	0.039
300° F (149° C)	0.42	0.061	0.37	0.053	0.34	0.049

Sound Absorption Coefficients

SOUND ABSORPTION COEFFICIENTS \| ASTM C423, TYPE A MOUNTING
			1⁄3 OCTAVE BAND CENTER FREQUENCY (CYCLES/SEC.)
DENSITY	FACING	THICKNESS	125	250	500	1000	2000	4000	NRC
1.6 PCF (26 kg/m³)	Plain	1^1/2" (38 mm)	0.19	0.44	0.86	0.98	1.00	1.02	0.80
		2" (51 mm)	0.31	0.57	0.96	1.04	1.03	1.03	0.90
		2^1/2" (64 mm)	0.43	0.82	1.12	1.07	1.04	1.03	1.00
		3" (76 mm)	0.47	0.92	1.17	1.06	1.06	1.04	1.05
2.25 PCF (36 kg/m³)	Plain	1" (25 mm)	0.05	0.24	0.59	0.86	0.97	1.00	0.65
		1^1/2" (38 mm)	0.17	0.49	0.93	1.03	1.03	0.99	0.85
		2" (51 mm)	0.26	0.62	1.05	1.07	1.04	1.05	0.95
	FSK	1" (25 mm)	0.14	0.69	0.81	0.99	0.55	0.27	0.75
	FSK	2" (51 mm)	0.63	0.76	1.11	0.75	0.42	0.22	0.75
3.0 PCF (48 kg/m³)	Plain	1" (25 mm)	0.08	0.23	0.62	0.88	0.96	0.99	0.65
		11/2" (38 mm)	0.09	0.39	0.89	1.03	1.06	1.03	1.00
		2" (51 mm)	0.29	0.65	1.11	1.13	1.06	1.03	1.00
		3" (76 mm	0.54	1.01	1.18	1.07	1.07	1.04	1.10
		4" (102 mm)	0.95	1.11	1.17	1.07	1.07	1.06	1.10
	FSK	1" (25 mm)	0.21	0.63	0.84	0.93	0.51	0.22	0.75
		1^1/2" (38 mm)	0.45	0.60	0.99	0.73	0.53	0.27	0.70
		2" (51 mm)	0.67	0.77	0.93	0.74	0.47	0.28	0.65
	ASJ	1" (25 mm)	0.15	0.71	0.65	0.82	0.41	0.16	0.65
		1^1/2" (38 mm)	0.42	0.55	0.91	0.69	0.40	0.23	0.65
		2" (51 mm)	0.75	0.71	0.80	0.66	0.41	0.24	0.65
4.25 PCF (68 kg/m³)	Plain	1" (25 mm)	0.06	0.24	0.69	0.99	1.05	1.02	0.75
4.25 PCF (68 kg/m³)	ASJ	2^1/2" (64 mm)	0.75	0.63	0.63	0.62	0.41	0.25	0.55
6.0 PCF (96 kg/m³)	Plain	1" (25 mm)	0.05	0.26	0.77	1.04	1.04	1.03	0.80
		1^1/2" (38 mm)	0.61	0.47	0.78	0.61	0.51	0.35	0.60
		2" (51 mm)	0.13	0.58	1.01	1.05	1.00	1.01	0.90
	FSK	1" (25 mm)	0.23	0.65	0.39	0.48	0.47	0.32	0.50
		1^1/2" (38 mm)	0.61	0.47	0.78	0.61	0.51	0.35	0.60
		2" (51 mm)	0.77	0.50	0.72	0.8	0.53	0.41	0.60
	ASJ	1^1/2" (38 mm)	0.60	0.46	0.62	0.48	0.47	0.31	0.50
	ASJ	2" (51 mm)	0.77	0.44	0.60	0.50	0.41	0.30	0.50

Forms Available

FORMS AVAILABLE
DENSITY	THICKNESS	R-VALUE	(R-SI)
1.6 PCF (26 kg/m³)	11 ⁄2" (38 mm)	R-6.3	(1.1)
	2" (51 mm)	R-8.3	(1.5)
	3" (76 mm)	R-12.5	(2.2)
2.25 PCF (36 kg/m³)	1" (25 mm)	R-4.3	(0.8)
	11 ⁄2" (38 mm)	R-6.5	(1.1)
	2" (51 mm)	R-8.7	(1.5)
	3" (76 mm)	R-13	(2.3)
	4" (102 mm)	R-17.4	(3.1)
3.0 PCF (48 kg/m³)	1" (25 mm)	R-4.3	(0.8)
	11 ⁄2" (38 mm)	R-6.5	(1.1)
	2" (51 mm)	R-8.7	(1.5)
	21 ⁄2" (64 mm)	R-10.9	(1.9)
	3" (76 mm)	R-13	(2.3)
	4" (102 mm)	R-17.4	(3.1)
4.25 PCF † (68 kg/m³	1" (25 mm)	R-4.3	(0.8)
	11 ⁄2" (38 mm)	R-6.5	(1.1)
	2" (51 mm)	R-8.7	(1.5)
	21 ⁄2" (64 mm	R-10.9	(1.9)
6.0 PCF † (96 kg/m³)	1" (76 mm)	R-4.5	(0.8)
	11 ⁄2" (89 mm)	R-6.8	(1.2)
	2" (102 mm)	R-91	(1.6)

* Available in widths of 24" (610 mm) and 48" (1,219 mm) and lengths from 36" to 120" (915 mm to 3,048 mm).

† Cartons only.

All Product Resources

October 2021 (PDF / 644.95 KB)

Manson Insulation/AK Board/Literature/manson-ak-board-data-sheet

Added

October 2020 (PDF / 674.50 KB)

Safety Data Sheet - AK Board - Canada - French

Added

October 2020 (PDF / 569.59 KB)

Safety Data Sheet - AK Board - Spanish

Added

October 2020 (PDF / 566.26 KB)

Safety Data Sheet - AK Board - Canada - English

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October 2020 (PDF / 566.15 KB)

Safety Data Sheet - AK Board

Added

October 2022 (PDF / 680.05 KB)

GREENGUARD Gold - AK Board

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October 2022 (PDF / 670.11 KB)

GREENGUARD - AK Board

Added

October 2022 (PDF / 542.35 KB)

UL Environmental Claim Validation - Formaldehyde Free - AK Board

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October 2022 (PDF / 542.19 KB)

UL Environmental Claim Validation - Recycled Content - AK Board

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December 2022 (RVT / 1.63 MB)

Revit File - AK BOARD™

Added

PROJECT PROFILE

Northwell Surgical Pavilion in New York chose Manson fiberglass insulation products to control heat and humidity for their new state-of-the-art medical building.

Read About Northwell Surgical Pavilion

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