Knauf Insulation R-6.5 Acoustical White Faced Insulation Board, 1-1/2 in. x 24 in. x 48 in., 8-PackR 6. 5 Acoustical White Faced Fiberglass Insulation Board (1 1 2" x 24" x 48") Acoustical fiberglass board designed for sound control and thermal performance in walls, ceilings, and mechanical systems. The white faced finish offers a clean, professional look while delivering an R 6. 5 rating in a rigid, easy to cut panel. Key Features: Acoustic + Thermal Performance: R 6. 5 rigid fiberglass board dampens noise and insulates in one step Clean White

R-6.5 Acoustical White-Faced Fiberglass Insulation Board (1-1/2" x 24" x 48")

Acoustical fiberglass board designed for sound control and thermal performance in walls, ceilings, and mechanical systems. The white-faced finish offers a clean, professional look while delivering an R-6.5 rating in a rigid, easy-to-cut panel.

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Key Features:

• Acoustic + Thermal Performance: R-6.5 rigid fiberglass board dampens noise and insulates in one step
• Clean White Facing: Attractive white finish provides a neat, professional surface in exposed areas
• Durable, Easy to Fabricate: Rigid board cuts and fits easily for fast installation
• Low Emissions: Manufactured for indoor air quality considerations
• Versatile Applications: Ideal for ductwork, walls, ceilings, and equipment enclosures

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Specifications Table:

Specification	Details
Material	Fiberglass
Facing Type	White-faced (FSK vapor retarder facing referenced in similar product family)
Thickness	1-1/2 in
Width	24 in
Length	48 in
R-Value	6.5
Density	3 pcf
Thermal Conductivity	0.23 to 0.37 Btu-in/hr-sq-ft-°F
Temperature Rating	Up to 1000°F
Water Vapor Permeability	0.02 perm-in
Water Vapor Sorption	<5% by weight
Flame Spread Index	25
Smoke Developed Index	50
Standards/Certifications	ASTM C1136; ASTM C553 Type I, II, III; ASTM C612 Type IA, IB; ASTM C795; California Title 24; GREENGUARD Gold; MIL-I-24244; NFPA 90A; NFPA 90B; NRC Guide 1.36; UL Listed; ULC Listed; US Federal Spec HH-B-100B; US Federal Spec HH-I-558C
Applications	Acoustical and thermal treatment for HVAC ducts, power/process equipment, boiler and stack installations, metal and masonry walls, wall and roof panel systems, curtain wall assemblies, cavity walls, and hot service applications
Sub-Brand	Earthwool

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Frequently Asked Questions (FAQ):

Q: What is the board size and R-value?
A: Each board is 1-1/2 in. thick by 24 in. wide by 48 in. long with an R-value of 6.5.

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Q: What is the facing?
A: This version features a white-faced finish suitable where a clean appearance is desired.

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Q: Where can it be used?
A: Use for acoustical and thermal applications such as walls, ceilings, HVAC ducts, and equipment enclosures within temperature ratings.

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Q: Is it easy to install?
A: Yes, the rigid fiberglass board is lightweight and can be cut to size with a utility knife and fastened per project requirements.

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Q: Is it low-emitting for indoor spaces?
A: Yes, it is manufactured with low emissions to support indoor air quality.

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Silenced Strength with a Polished White Finish

This acoustical board tempers the room with a quiet confidence, marrying clean white surfaces with high-performance insulation. The crisp facing keeps mechanical spaces and studios looking tailored, while the dense fiberglass core hushes ambient noise. Layer it behind perforated panels or leave the white face exposed for a gallery-clean utility room. It’s a refined essential that elevates function into modern luxury.

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Upgrade your project with clean, quiet performance—add this R-6.5 white-faced acoustical board to your cart today.