Noise radiating from pipes associated with gas flow systems
can be reduced by wrapping the pipes in a multi-layer lagging
treatment.
Technique for Acoustical Pipe Lagging
Insulation
Six inches of Ridge-Flex Mineral Wool Insulation. This insulation is put
on in two layers. Each layer consistes of three inch Ridge-Flex
Mineral Wool insulation secured in place by stainless steel tie wire.
Sound Covering
One layer of one pound Barium Loaded Vinyl sound material. This is put on
with one wrap then secured with stainless steel tie wire.
Aluminum Outer Covering
.016 inch Stucco Finish Aluminum Jacketing. This is put on with one wrap
then secured with 1/2 inch stainless steel banding.
Process
Install one wrap 3 inch insulation held in place by elastic bungee cords.
Install second layer of 3 inch insulation. This layer is slid under the
elastic bungee cord. The elastic Bungee cord holds the insulation
in place until the insulation is secured by the stainless steel wire.
After insulation is secured by stainless steel wire the elastic
bungee cords are slid up the pipe to the next location and the process
is repeated.
After the insulation is on and secured by stainless steel wire the
elastic bungee cords are removed.
Wrap one layer of one pound barium loaded vinyl around
insulation and secure with stainless steel wire.
After all the barium loaded vinyl is installed wrap one layer of
stucco finish .016 aluminum jacketing over barium loaded vinyl
and secure with 1/2 inch stainless steel bands.
