How To Build A Roof Curb

Check to see if your building manufacturer has a recommended curb design.

How to build a roof curb.

Mark the location of the cuts on the 2 by 6s taking into account the width of the saw blade cut. Is a leading manufacturer of curb adapters roof curbs seismic curbs vibration isolation rails fittings and other adapter curb products for the nationwide hvac wholesale distribution industry since 1959. When the key objective is to provide a curb that will perform for the entire life of the standing seam roof there are four key points to keep in mind. Some are very specific and may even require a certain type of curb to satisfy their warranty requirements.

Next measure the area and make calculations so you know how much of your chosen materials to buy. To build a roof start by deciding whether you want to put up a flat or pitched roof on your building. Purchase your materials including prefabricated trusses plywood covering and roof tiles. Roof curbs roof accessories shall be installed by the metal building erector in accordance with the installation instructions supplied with the products as well as the metal building manufacturers standard erection specifications.

Any existing curb adapters should be removed from the system. A curb adapter should only be installed on top of the original factory roof curb or the curb that is roofed into the building. In addition to the structural and weight issues stacking adapter curbs adds an unnecessary amount of static loss to the duct system causing your brand new unit to under perform in most cases. Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out.

Make the inside dimensions of the curb to the exact size of the roof opening. If roof curbs are a source of customer dissatisfaction leaks in their roof the following items should help you make better roof curb choices. Aladdin metal products inc. Specify roof curbs in section 07720.

And in this one sentence lie the benefits and the detriments we face in the roof curb business everyday. Include a footnote in the mechanical and skylight sections that reads all roof curbs are specified in 07720 curb installation should be a part of the roof deck not on top of insulation or roofing materials.