Used wherever a ceiling support, finish support, firestop or joist shield is installed below an open attic. Required to guard against the hazard of blown-in or blanket insulation filling any framed opening or contacting the chimney and possible storage of combustibles against the chimney.
Class | : | A |
Dimensions | : | 14 in W x 20-5/16 in H |
Material | : | Stainless Steel |
Size | : | 6 in |