Horizontal Roof Curb

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Horizontal roof curb.

Internally insulated with 1 1 2 thick 3 lbs. Contractor fabricated roof curbs will not be accepted. Roof curbs to be insulated with 1 1 2 thick 3 lb density fiberglass insulation and have factory installed wood nailers. The pipe portal shall include an 18 gauge galvanized roof curb model rc a with integral base plate continuously welded cor ner seams factory installed wood nailer and 1 5 3lb.

Allowing the highs to fit under the roof panel on the upslope and over the roof panel on the downslope to create a continuous water flow is critical to the function of the roof curb. Roof curbs shall be level at the top with pitch built in when deck slopes 1 4 per foot or greater or as detailed. Pre fabricated horizontal roof curbs are available in the following. Heights to be 8 above finished roof deck or as detailed.

Structurally calculated curb s there will be times when the building code will call for a calculated or seismic rated roof curb that is approved and stamped by a professional engineer. Riser guides horizontal pipe isolation. Top of all roof curbs shall be level with pitch built into curb when deck slopes. Hangers horizontal thrust restraints.

To compliment our curb line canfab has a complete library of seismic calculations and seismic clips addressing the current code for unit to curb isolator to curb vibration isolation curbs and curb to structure method of. Height to be 8 above finished roof or as de tailed. Roof curbs vcs specifications. Flexible connectors seals.

The pipe portal shall be furnished with a laminated acrylic coated abs plastic curb cover with prepunched holes. The curb comes fully assembled with side return and supply duct connections fiberglass as required and gasket material included for airtight rtu installation. Horizontal factory roof curb is a new construction curb for hvac units used on concrete pads or flat membrane built up roofs. Lmcurbs has the capabilities to design roof curbs for the most challenging standing seam roof applications and can correctly match your roof system.

Roof curbs are support structures for fans and ventilators. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. Supply and or return plenums with openings in the side wall of the roofcurb. Horizontal curbs it accepts a down discharge rtu and redirects the air flow out the side s or end s of the curb converting it into a horizontal application.