DuraTech Firestop Joist Shield 10" to 14"
Product Images
Product Details
Help & Documents
The DuraTech Firestop Joist Shield is used when the chimney pipe is passing through a floor or ceiling, other than those that include the Ceiling Support. The Firestop sits on the underside of the framing and is adjustable to cover various framing sizes.
Measurement Chart:

DuraTech Firestop Joist Shield 10" to 14"
Size | 10" | 12" | 14" |
A | 12.125" | 14.125" | 16.125" |
B | 15.875" | 17.875" | 19.875" |
C | 18" | 20" | 22" |
D | 18" | 20" | 22" |
Product Details:
The DuraTech Firestop Joist Shield is used when the chimney pipe is passing through a floor or ceiling, other than those that include the Ceiling Support. The Firestop sits on the underside of the framing and is adjustable to cover various framing sizes.
Measurement Chart:

DuraTech Firestop Joist Shield 10" to 14"
Size | 10" | 12" | 14" |
A | 12.125" | 14.125" | 16.125" |
B | 15.875" | 17.875" | 19.875" |
C | 18" | 20" | 22" |
D | 18" | 20" | 22" |
Help & Documents:
DIY Center
(AKA ‘The Rockford Files’)
From video tutorials to product walkthroughs, we have a variety of DIY resources just for you! Click the button below to view our entire library.

Our 316Ti flexible chimney liner and chimney liner components have passed the rigorous testing at the Underwriters Laboratories with best in class status and are UL Listed. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney