Name: Rockfon Alaska®
Brand: Rockfon

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Articulation Class (AC)

170 | 180 | 190

Fire Performance

UL723 (ASTM E84):
Flame Spread Index: 0
Smoke Developed Index: 5

CAN/ULC S102:
Flame Spread Index: 5
Smoke Developed Index: 0

Stone wool ceiling tiles achieve Class A fire requirements and are tested for Surface Burning Characteristics to ASTM E84 for the US and CAN/ULC S102 for Canada.

Alaska® Surface burning characteristics*:

UL723 (ASTM E84):	Flame Spread Index: 0 Smoke Developed Index: 5
CAN/ULC S102:	Flame Spread Index: 5 Smoke Developed Index: 0

^{* Products with CAC 33 and over include high performance membrane}^{with Flame Spread Index of 15 and Smoke Developed Index of 5}

Fire Class

Light Reflectance

0.860

Light reflection expressed in % is measured in accordance with ASTM E1477.

Humidity And Sag Resistance

Up to 100% RH

Stone wool ceiling tiles are inherently resistant and are tested to ASTM C367 (Standard Test Methods for Strength Properties of Prefabricated Architectural Acoustical Tile or Lay-In Ceiling Panels) and won’t sag or warp even in 100% relative humidity.

Cleaning

Vacuum

Vacuum: The surface can be vacuum cleaned with a soft brush attachment.

Hygiene

Stone wool provides no sustenance to microorganisms

Rockfon Alaska® stone wool substrate and tile surfaces are inherently resistant to mold and mildew and are tested to ASTM D3273 (Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings) and ASTM C1338 (Standard Test Method for Determining Fungi Growth Resistance of Insulation Materials and Facings).

VOC Emissions

All Rockfon stone wool acoustic solutions are GREENGUARD Gold low VOC certified and meet the State of California’s Department of Public Health Services Standard Practice for Specification Section 01350 (California Section 01350) for testing chemical emissions.

Selected potential applications: LEED, WELL, CHPS, Green Globes, BREEAM Int. and CALGreen.

Environment

50% recycled content. Recycling content based on the primary production location.

Thermal Insulation

R 3.47 hr.ft².°F/Btu per 1 inch (I-P)
R 0.61 m².K/W per 25.4 mm (SI)

The thermal resistance of Rockfon products is measured in accordance with ASTM C518 and expressed in R-Value (hr.ft2.F/Btu) and RSI Value (m2k/W).

Material

Stone wool (Mineral Wool) ceiling tiles with factory painted glass scrim surface

ASTM E1264 Classification

ASTM E1264 (2022) : Type IV, Form 3, Pattern G
ASTM E1264 (2023): Type A, Form A2.3, Pattern G

Warranty

30-Year Limited Product Warranty. See www.rockfon.com

Low VOC for NA

Yes

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Stone wool ceiling tiles achieve Class A fire requirements and are tested for Surface Burning Characteristics to ASTM E84 for the US and CAN/ULC S102 for Canada.

Alaska® Surface burning characteristics*: