Insulate Fire Sprinkler Pipes In The Attic

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.

Insulate fire sprinkler pipes in the attic.

Compared to standard spray sprinklers viking s new attic sprinkler system requires fewer sprinklers and branch lines to protect most attic spaces providing significant material and labor savings. A 8 16 4 1 6 wet pipe systems covered by 8 16 4 1 6 have water filled pipes up to the sprinklers. Sprinkler system installers use a special foam insulation to wrap pipes when the pipes may be subject to freezing temperatures. 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.

Most sprinklers are wet pipe systems meaning they contain water at all times. Pipe run horizontally should be covered by two layers of insulation. In attics piping should be as close to the ceiling as possible with insulation placed over the sprinkler pipe. As much as possible the sprinkler contractor should try to run pipe in a single stud or joist space.

When foam cannot be used other insulative material takes its place. 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. Insulation shall follow the guidelines of the insulation manufacturer. 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.

This will make the job of insulating the pipe much easier. Necessary to run pipe in the attic. Insulate unconditioned areas where sprinkler pipes travel to keep the space as warm as possible during freezing weather. If you can safely inspect your sprinkler pipes in the attic and you can see exposed.