Insulate Fire Sprinkler Pipes In The Attic

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.

Insulate fire sprinkler pipes in the attic.

This will make the job of insulating the pipe much easier. If your fire sprinkler pipes are exposed to cold exterior temperatures they are more likely to freeze. A 8 16 4 1 6 wet pipe systems covered by 8 16 4 1 6 have water filled pipes up to the sprinklers. 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.

Sprinkler system installers use a special foam insulation to wrap pipes when the pipes may be subject to freezing temperatures. Necessary to run pipe in the attic. Pipe run horizontally should be covered by two layers of insulation. When sprinkler pipe is run in an attic certain precautions must be taken.

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. 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. When foam cannot be used other insulative material takes its place. 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. Insulation shall follow the guidelines of the insulation manufacturer. As much as possible the sprinkler contractor should try to run pipe in a single stud or joist space. If you can safely inspect your sprinkler pipes in the attic and you can see exposed.