Insulate Fire Sprinkler Pipes In The Attic

Pipe run horizontally should be covered by two layers of insulation.

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. Necessary to run pipe in the attic. When foam cannot be used other insulative material takes its place.

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. If you can safely inspect your sprinkler pipes in the attic and you can see exposed. If your fire sprinkler pipes are exposed to cold exterior temperatures they are more likely to freeze. 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.

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. In attics piping should be as close to the ceiling as possible with insulation placed over the sprinkler pipe. 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.

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. Sprinkler system installers use a special foam insulation to wrap pipes when the pipes may be subject to freezing temperatures. As much as possible the sprinkler contractor should try to run pipe in a single stud or joist space.