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www.retrofoamofmichigan.com/blog/insulation-fire-rating...

Class 1 Fire Rating insulation is what most inspectors call for in a home. To get this rating, the insulation material must have a smoke development that is less than 450 and a flame spread index that is 25 or less, according to the 2015 Michigan Residential Code R302.10.1.

www.cellulose.org/HomeOwners/Fire_Control_Insulation.php

Cellulose Insulation is treated with fire retardants to meet all federal, state, and local fire safety requirements. With a flame spread of 25 or less, cellulose has a Class 1 Fire rating. Walls with cellulose insulation are one-hour (or greater) fire walls and can help control the spread of fire.

www.alibaba.com/showroom/class-1-fire-rating-insulation.html

Alibaba.com offers 61 class 1 fire rating insulation products. About 80% of these are other heat insulation materials, 6% are ceiling tiles, and 3% are sandwich panels. A wide variety of class 1 fire rating insulation options are available to you, such as free samples.

tigerfoam.com/sprayfoaminsulation/technical/data-sheets/...

Tiger Foam E-84 Class 1 Fire-Rated foam insulation is a multipurpose, two-part, closed-cell polyurethane formula specifically manufactured for fire retardancy. The packaging, delivery system, and components were designed to be user- and environmentally friendly. These systems are both portable and disposable.

www.fireretardantsinc.com/mineral_wool.html

Fire Retardant Product Solutions for Mineral Wool Insulation for 1-5 Hour Rated, Curtain Wall & Ceiling Assemblies. Mineral Wool ASTM E-84, Class A, Noncombustible Rated, Fire Containment & Sound Control Products

www.alibaba.com/showroom/class-1-fire-rating-insulation_2.html

Alibaba.com offers 60 class 1 fire rating insulation products. About 80% of these are other heat insulation materials, 6% are ceiling tiles, and 3% are sandwich panels. A wide variety of class 1 fire rating insulation options are available to you, such as free samples.

www.insulationsuperstore.co.uk/blog/a-guide-to-fire-rated...

Class 0 and Class 1 ratings. Occasionally, a building insulation product may focus on a Class 0 or Class 1 rating. However, these classifications do not indicate combustibility of the product, referring only to limited surface fire performance characteristics. Class 0 is a rating defined in Approved Document B of the Building Regulations 1991.

c.ymcdn.com/.../class_a_and_class_1_roof_sys.pdf

Class 1 and Class A roof assemblies are not the same. For additional details, please see the PIMA Web site (www.pima.org) or contact a polyiso insulation manufacturer. Glossary ASTM E108 Standard Test Methods for Fire Tests of Roof Coverings FM – Factory Mutual Global; www.fmglobal.com FM 4450 Approval Standard for Class 1 Insulated Steel ...

www.paroc.co.uk/knowhow/fire/fire-classification

Stone wool insulation is an excellent solution for fire insulation of ducts, pipes and other installations. d) Fire classification of buildings. At the beginning of a construction project, during the planning phase, the designer must determine the operational and building technical class that the building must comply with.

c.ymcdn.com/sites/www.polyiso.org/resource/resmgr/faq's/...

hensive than the standard used to gain a Class A rating. Another way to put it is that all Class 1 roof assemblies are Class A roofs, but not all Class A roof systems meet Class 1. What does this have to do with polyiso roof insulation? Class 1 roof assemblies that contain polyiso roof insulation have been approved by FM