Description
What an attic insulation shield does
Insulation and debris piled against a chimney can trap heat. The shield surrounds the pipe through the attic floor to keep insulation at a distance. It isn’t needed if the chimney is fully enclosed through the attic.
Specifications
- Fits: MightyVent 5″ insulated pipe (7.28″ OD)
- Framed opening: 11.5″ × 11.5″ inside dimensions (per the MightyVent instructions, Table 1)
- Base plate: 13.58″ square, polished 304 stainless; 7.44″ pipe opening
- Shield: 11.22″ diameter, galvanized steel
- Installed height: 15″ (per the MightyVent instructions)
- Top collar: wraps around the pipe and tightens with the supplied hardware
- Listing: part of the MightyVent UL 103 Type HT chimney system
⚠ Warning: California Proposition 65
Use of this product can expose you to chemicals including soot, creosote, wood dust, and wood smoke containing carbon monoxide, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.





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