When installing a class a chimney system building code dictates we have at least a 2 clearance to combustibles as well as an attic insulation shield.
Chimney attic insulation shield.
The attic insulation shield is required to guard against the hazard of blown in or blanket insulation occupying the required 2 airspace around the chimney.
If you do not have the 15 of space it takes to install an insulation shield like when your chimney runs up the exterior of your home penetrating near the eaves you cannot install a shield because building code also says you cannot cut it.
Engineered for safety selkirk also known as metalbest or metalbestos chimneys are packed with one inch of premium fiber insulation ensuring a 100 fill.
Square ceiling support box with trim adjustable flashing 0 12 6 12 pitch larger pitch sizes are available and sold separately chimney cap storm collar and attic insulation shield.
Chimney pipe and larger pitch sizes adjustable flashings sold separately.
Dvl and durablack chimney adapter snap lock adapter with trim 11 in.
Find chimney attic insulation shields at lowe s today.
Provides 1 clearance to combustibles.
In the event of a creosote fire the compressible blanket insulation permits the chimney liner to expand outwardly in a radial direction.
The attic insulation shield must be installed where the chimney enters the attic space.
The attic shield is required where a chimney passes into an unoccupied attic space.
Instead use firestop radiation shield and rafter radiation shield.
This 3 inch pellet chimney attic insulation shield from the pelletvent pro series is a type l biofuel chimney pipe component and consists of the duralock system for a tight seal.
Designed to keep insulation away from the chimney and to maintain the mandatory 2 inch clearance to combustibles.
Required for installations that pass through an attic to prevent insulation and debris from accumulating near the vent.
Not to be used for enclosed chimneys passing through attic.