No 800DBTR6 duct board triangles are rated with an R factor of R-6.
M&M Duct Board, Triangle, Series: 800, 16 in Length, 1-1/2 in Thickness, Metal, Silver
- Length 16 in
No 800DBTR6 duct board triangles are rated with an R factor of R-6.
M&M Duct Board, Triangle, Series: 800, 16 in Length, 1-1/2 in Thickness, Metal, Silver