We cut the epdm rubber exactly where the markings were.
Roof mtd ac curb detail.
There are many options available to make sure all building requirements are met.
Here is the flat roof curb installation process.
The curb should be furnished with a wood nailer which provides a minimum of 3 5 of nailer surface mounted at the top of the curb to permit mechanical attachment of.
Roof curbs are support structures for fans and ventilators.
Typical roof curbs the curb should be structurally capable of supporting intended loads and designed such that drains power lines etc do not penetrate roof fl ashing.
If the curb is mounted on the roof deck additional support is necessa ry directly below the curb flanges to minimize vibration.
Free cad detail download of a prefabricated roof curb to be used in your architectural section cad drawings.
The curb was supplied by the the heating and cooling company located in norwalk ct.
The curb in the video below was installed on an epdm single ply roof membrane.
Use tack welding or other suitable fastening method to secure the roof curb in place.
Do not overlap counter flashing over the top of the roof curb.
Mike tavolacci marked exactly where the curb would be positioned on the roof.
Counter flashing should extend to the bottom of the roof curb drip lip.
A galvalume coated roof doesn t mean that a galvanized steel roof curb is the best thing to use in fact galvanized roof curbs are known to rust corrode and leak particularly along weld joints as soon as a year after installation.
They can be selected to fit the specific type of roof such as flat pitched or ridged.
Roof curbs for standing seam metal roofs pick the proper material.
If the roof curb will be mounted on a new building it can be assembled at any convenient location and installed as soon as the roof support members are in place.