Mounting Roof Top Unit On Existing Roof

Units shall be mounted on curbs raised a minimum of 8 inches 203 mm above the roof surface or where roofing materials extend beneath the unit on raised equipment supports providing a minimum clearance height in accordance with table 1510 10.

Mounting roof top unit on existing roof.

And in this one sentence lie the benefits and the detriments we face in the roof curb business everyday. Often we are asked to evaluate an existing steel roof structure to determine if it can support new roof top units. Adding new roof top units to existing roof msquared48 structural 21 feb 13 16 36 i like to convince architects to put any rooftop units on the ground wherever possible solves a lot of problems if the space is available and the roof is weak. Standing seam metal roofing offers a durable sustainable alternative to other roof types and can provide maintenance free service for five to 10 decades.

Renaud de saint ceran subject. Going to be doing a full install. Never attach roof ashing directly to a york rooftop unit. You can t ask for a better job on a monday morning to start off the week.

York does not recommend vibration isolation be pro vided on both the fan skid inside the unit and the curb outside the unit without credible testing results. Using improperly designed internal and external isolation springs can increase vibration. There are three options regarding permitting of replacement roof mounted units. Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out.

In the last month we were asked to evaluate two commercial spaces for new rooftop units. If anchored holes are punched in the roof. It may also migrate if not anchored. Sadly this exceptional lifespan often is sabotaged with the mounting of essential rooftop equipment and ancillary mechanicals.

Excellent weather just a perfect early morning to replace a york dl10 10 ton pack. The primary function of the curb is to keep weather out while supporting flashing the equipment on it. Tenants frequently remodel commercial spaces for their current needs and in many cases add new air make up units exhaust fans and hvac units. The usual method is to mount the unit on wood blocking to raise it above the plane of the panel ribs and give it a surface to bear upon.