Prefabricated Insulated Roof Curbs
A roof curb is an assembly that is secured to the roof of a building that becomes the base or the setting platform for a piece of equipment that is mounted on the roof. This equipment could be a ventilation fan, an air handling piece of equipment, a special exhaust fan, etc. Roof curb shall be internally reinforced with angles 48" on center and factory installed wood nailer. Heights to be 8" above finished roof deck or as detailed. Top of all roof curbs shall be level, with pitch built into curb when deck slopes.
A structural engineer predetermines the seismic requirements of a building. Seismic calculated curbs are available as reinforced metal curbs or vibration isolation curbs. Only a submittal stamped by a professional engineer PE is an acceptable form of certification.
Additionally, seismic requirements are not fulfilled by just ordering a seismically stamped roof curb. Additional roof curb anchoring and methods of securing equipment to the curb are also a requirement, and must be adhered to for the certification to be valid. The additional requirements are detailed on each stamped submittal drawing.
Seismic Certification what is a roof curb the us of several required actions, ehat begins with a stamped submittal provided by Manufacturers with assurance that after a Design Curbb DE equipment shall maintain:. California is the most obvious location in the US to require seismic certification.
Although some structural engineers what is my ftp port a submittal stamped by a Professional Engineer from their specific state; many engineers will accept the California State stamp. However, a PE stamp can be obtained from all 50 states if required. Although the eastern half of the US does not face the same seismic factors as our neighbors to the west, many east coast homes and structures were never designed to withstand the seismic magnitudes that exist.
Furthermore, California has sectioned off areas on the west coast as illustrated, ropf encompassed by the red border, which requires the most extreme certification standards. Seismic rating requirements are not just limited to buildings in a seismic zone, many government buildings, and buildings designated as defense shelters also require seismically rated currb.
An added bonus of w seismic calculated rated curb is the protection against high wind damage. This standard is less than the Miami-Dade wind standard, but is sufficient to fulfill other building requirements which may be called out by a structural engineer. We serve customers with a wide currb of seismic stamped roof curbs.
Please contact MicroMetl for all your seismic curb requirements! Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. What Are Seismic Roof Curbs? What is Seismic Certification? Seismic Certification is the result of several required actions, which begins with a stamped submittal provided by Manufacturers with assurance vurb after a Design Earthquake DE equipment shall maintain: Structural How to get free ringback tones for iphone Functionality Who Needs Seismic Certification?
Additional Benefits Of A What is a roof curb Calculated Curb An added bonus of a seismic calculated rated curb is the protection against high wind damage.
Urban and suburban areas, wooded areas or other terrain with numerous closely spaced obstructions having the size of single-family dwellings or larger. Exposure B shall be assumed unless the site meets the definition of another type of exposure. Exposure C. Open terrain with scattered obstructions, including surface undulations or other irregularities, having heights generally less than 30 feet mm curbb more than 1, feet This exposure shall also apply to any building located within Exposure B-type terrain where the building is directly adjacent to open areas of Exposure C-type terrain in any quadrant for a distance of more than feet This category includes flat open country, grasslands and shorelines in hurricane-prone regions.
Exposure D. Flat, unobstructed areas exposed to wind flowing over open water excluding shorelines in hurricane-prone regions what is a roof curb a distance of at least 1 mile 1. This exposure shall apply only to thos buildings and other structures exposed to the wind coming from over the water.
Exposure D whaf inland from the shoreline a distance rokf 1, foof m or 10 times the height of the building or structure, whichever is greater. Submit a Comment Cancel reply Your email address will not be published. Search This Blog Search for:. Social Media googleplus ckrb facebook linkedin. Asked 1 month ago By ElegantThemes Support.
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As the inventor of TRAC Rail curb sub-framing, the Fast-RAC equipment platform, and making roof curb integration easy with All Buildings, RCS has been revolutionizing the industry with innovative systems and exclusive service since the ’s. An exhaust hood roof curb may appear to be to be nothing more than a metal box that surrounds your rooftop exhaust sits on top of, however, it is important to point out that they serve a specific function for your upblast exhaust fan. Without a roof curb, there wouldn’t be a secure way to mount the fan to the rooftop. Roof curb shall be internally reinforced with angles 48" on center and factory installed wood nailer. Internally insulated with 1 1/2” thick 3 lbs. density rigid insulation. Heights to be 8" above finished roof deck or as detailed. Top of all roof curbs shall be level, with pitch built into curb when deck slopes.
Thybar is the leader in adapting new rooftop units to existing roof curbs with Retro-Mate. Retro-Mate saves costly curb reconstruction by mechanically interfacing the new unit and existing curb. For assistance with curbs, contact us at Curbs Thybar. For assistance with mods, contact us at Mods Thybar. Fast Track must be approved by Thybar. Click here to see items on Amazon.
Severe wind loads or seismic activity occurs in many areas in the U. Thybar seismic curbs for rooftop HVAC's are specifically designed to withstand these forces. Compliance verification and calculations are performed by a Licensed Professional Engineer P.
This includes all 50 states. Founded in , and with 5 factories across the country, Thybar is the oldest and largest roof curb manufacturer in the world. No matter what type of roof system you have or how big the equipment is, we have the roof curb design that works for you. We work step by step with you to understand the physical characteristics of the building and the jobsite demands. If needed, we do field measurements, for your peace of mind. From the conception of a project, through the installation of your equipment, we are on hand to help your project run smoothly.
New Branch Coming Soon! Roof Curbs Founded in , and with 5 factories across the country, Thybar is the oldest and largest roof curb manufacturer in the world.
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