ASMS Inc.
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Advanced Sheet Metal Services is a family owned shop that specializes in the fabrication and installation of ductwork and accessories. These systems include but are not limited to custom fabrication and layout of most metals common to mechanical systems in a commercial and industrial environment.

ASMS currently has 4 installation crews that are highly skilled in proper installation techniques and pay attention to detail. We specialize in cleanroom and lab type work and are proficient in the protocol necessary for these areas.

We provide services for mechanical contractors, general contractors and building owners in all of Massachusetts and Southern New Hampshire.

We currently provide services for many notable companies and are more than willing to give references upon request.

In order to be competitive with pricing, ASMS Inc. has invested in the latest fabricating equipment. Anything that has to be fabricated out of sheet metal up to 1/8 inch can easily be done in house. We also have the capability of fabricating from metal plate up to 1/4" if necessary.

We take pride in custom manufacturing of vent hoods, stainless steel duct, aluminum duct, welded PVC duct, and one of a kind prototype parts.

Our Latest Project

We have just completed a 30,000 square foot pharmaceutical Laboratory. It’s a facility with many lab spaces, one class 1,000 clean room and one class 10,000 cleanroom. There are sterilization areas and pass through areas with all different pressure requirements. The clean rooms and labs are all stainless steel including walls and ceiling panels.

The HVAC system consists of 10 different constant volume systems and a 28 zone variable air volume system for supply air.  Note the multi layers of duct.  

We have installed 22,000 lbs of duct work in this facility of which 65 percent has been successfully tested to 4 inches of water gauge. If you’ll note in some of the pictures you’ll see blue wrap on the ends of exposed duct. All of the duct work with the exception of the round spiral was fabricated here at ASMS, cleaned and wiped down with alchohol and then wrapped to prevent foreign particles from getting into the duct. Extreme care was taken during installation and the duct work was re-cleaned and re-sealed when necessary.

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     15 Tolles St. Unit C Hudson NH 03051      603.886.0707      Fax 603.886-0710