Bathroom Exhaust Fan Fire Rated

The sheet metal contractor is telling me it needs a fire smoke damper but i m pretty sure if it is being directly exhausted outside the building whats the point of keeping the smoke inside.

Bathroom exhaust fan fire rated.

I have a project to wire a simple bathroom exhaust fan in a commercial building that is being vented directly outside the building. Not all fans are created equal life safety professionals work hard to develop and enforce building codes to eliminate or reduce potential threats. Ceiling radiation fire damper 3 hour ul rated. 100 50 cfm 2 0 0 8 sones.

Air king quiet fire rated 90 cfm ceiling bathroom exhaust fan 127 34. This exhaust fan is ul listed for installation over a tub or shower on a gfci circuit. The air king fras50 fire rated exhaust bath fan comes with a 1 year limited warranty. Price for all three.

The air king fras60 exhaust bath fan is a safe and fire rated way to provide ventilation at low sound levels. 80 cfm 1 0 sones frak90. This exhaust fan is ideal for multi family residential projects using wood frame construction and complies with important requirements to help prevent the spread of fire. The fras50 measures 7 3 8 inches by 7 5 8 inches by 5 7 8 inches and features a 24 gauge steel construction with a white finish.

The bathroom fans shut off and seal the duct from the rest of the house when the air temperature passing through the damper exceeds the normal level. Broan makes an efficient and affordable bathroom exhaust fan that s a good pick for homeowners on a budget. Designed to satisfy fire safety codes fire rated bathroom exhaust fans meet the national fire protection association standard 90a and feature a ulc classified ceiling radiation damper that s rated for 3 4 hours of fire resistance. Quiet fire rated 100 cfm ceiling bathroom exhaust fan 126 15.

100 cfm 2 0 sones frak100d. Fire rated exhaust fan series models frak50s. When fire codes need to be met air king s fire rated series exhaust fans are the perfect solution for multi family wood frame construction. Kohler highline arc the complete solution 2 piece 1 28 gpf single flush elongated toilet in white slow close seat included 199.

The broan 688 is rated for 50 cfm and is best fit for small bathrooms of under 50 square feet. Two features to look out for when selecting a fan is the noise level measured in sones and the ventilation rates measured in cubic feet per minute cfm. Fire damper closes ducting when fusible link exceeds temperature. It earns frequent praise in reviews for being especially easy to install and can be mounted in the ceiling or wall.

Noise level sones a sone is a measure of loudness. 50 cfm 0 6 sones frak80. The fire rated exhaust fan series is designed to automatically shut off and seal the duct from the rest of the dwelling once the temperatures of the air passing through the damper exceeds that of fusible link.