Must be used when the chimney penetrates an unoccupied attic.
Vent shield for attic.
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Having an insulation shield between the hot vent combustible materials and undesirable contact with insulation is recommended by many contractors.
Generally the metal insulation shield should be 2 inches above the top of the insulation.
The attic insulation shield is required in unoccupied attic areas to prevent insulation material from infringing on the 2 inch airspace clearance.
Designed to keep insulation away from the chimney and to maintain the mandatory 2 inch clearance to combustibles.
Squirrels sharpen their teeth for life because their teeth never stop growing they love to chew on the soft lead covering your roof vent pipes.
Water heater and furnace vents are the most common vents that would benefit from.
Not to be used for enclosed chimneys.
This creates a possible source of roof leaks and mold in attic insulation.
Vents from heating devices get hot.
The attic insulation shield must be installed where the chimney enters the attic space in any installation.
Once the rubber flange rots water gets which can cause major damage to your home.