Specifications prefabricated roof curb to be manufactured of prime galvanized steel construction 20 18 16 or 14 gauge as required meeting astm a653 653m with welded corners and with.
Mechanical unit roof curb detail.
Condensate drain piping diagram draw thru unit detail.
Do not cut out the entire roof deck within the curb area.
Unit curb orientation is critical.
A roof membrane but should in some manner be lifted from the ground onto the curb or support framework.
Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out.
Constant volume mixed air unit point identification.
Internally insulated with 1 1 2 thick 3 lbs.
The slightest inefficiency or mismatch in design or engineering can create blow back.
Duct support on roof.
Dual steam control valve assembly.
The primary function of the curb is to keep weather out while supporting flashing the equipment on it.
When you install adapter curbs welded rtu rooftop unit curbs or equipment supports for your rooftop hvac package unit going with the wrong curb adapter company can cost you big money and time.
Roof curb must be square level prior to setting equipment.
A minimum of one cross brace will be provided with each curb.
Pre fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit curb and roof openings.
Electric conductivity water panel controller.
Duct thru roof detail.
Top of all roof curbs shall be level with pitch built into curb when deck slopes.
See figure 6 3.
Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb.
Heights to be 8 above finished roof deck or as detailed.
Roof curb and curb adapter specialists serving north america.
Refer to figure 17 and tables 1 and 2 for specific center of gravity corner weight information and accessory weights.
Specify prefab roof curbs for use with all roof penetrations and roof mounted equipment including and not limited to hvac units duct openings pipe penetrations power roof exhauster intake and relief vents flues or job fabricated items.
As a point for reference the york solution unit has a front rear left right and top and bottom sides.
Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.
Units may be set either lateral or.
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.
When setting the unit onto the curb the installer should ensure that a sealing material is positioned between the unit and curb to provide a continuous watertight connection.
See fi gure 6.
Lmcurbs has the capabilities to design roof curbs for the most challenging standing seam roof applications and can correctly match your roof system.
Electric water heater non circulating piping.
