When foam cannot be used other insulative material takes its place.
Insulate fire sprinkler pipes in the attic.
A 8 16 4 1 6 wet pipe systems covered by 8 16 4 1 6 have water filled pipes up to the sprinklers.
Most sprinklers are wet pipe systems meaning they contain water at all times.
This will make the job of insulating the pipe much easier.
On the other hand a dry pipe system uses pressurized air or nitrogen gas to keep the pipes clear of water until a sprinkler head activates at.
Back to back v bb single directional v sd and attic upright models available in 5 6 and 8 0 k factors to protect various roof pitches.
All too often insulators accustomed to dealing with plumbing and heating systems wrap the sprinkler piping in insulation insulating it from the warm building envelope as well as the attic cold.
In attics piping should be as close to the ceiling as possible with insulation placed over the sprinkler pipe.
Insulate unconditioned areas where sprinkler pipes travel to keep the space as warm as possible during freezing weather.
Pipe run horizontally should be covered by two layers of insulation.
Sprinkler system installers use a special foam insulation to wrap pipes when the pipes may be subject to freezing temperatures.
With no flow through the sprinkler piping under normal conditions insulating the piping in this manner can lead to freezing and subsequent water discharge from ruptured piping.
When sprinkler pipe is run in an attic certain precautions must be taken.
A wet pipe system shall be permitted to be installed in unheated attic spaces in areas subject to freezing where sprinkler piping is completely covered with insulation.
If your fire sprinkler pipes are exposed to cold exterior temperatures they are more likely to freeze.
If you can safely inspect your sprinkler pipes in the attic and you can see exposed.
Necessary to run pipe in the attic.