York DNH018 - Manual (Page 25)

036-21233-002-A-0903
Unitary Products Group 25
FIGURE 11 - ROOF CURB DIMENSIONS
1
FIGURE 12 - ROOF CURB CROSS SECTION
O P E N I N G F O R
R E T U R N A I R D U C T
O P E N I N G F O R
S U P P L Y A I R D U C T
1 4
3 - 1 / 2
1 7 - 5 / 8 4 0 - 3 / 4
4 2 - 2 / 3
4 5 - 1 / 8
4 3 - 1 / 4 1 7 - 1 / 4
2 2
1
R E C O M M E N D E D
D U C T S I Z E
1 7 - 1 / 8 " X 2 1 - 1 / 2 "
R E C O M M E N D E D
D U C T S I Z E
1 7 - 1 / 2 " X 1 6 - 3 / 4 "
1. 8” Roof curb also available
3 / 4 " X 1 " W I D E G A S K E T I N G F O R C U R B F R A M E
A N D A L L D U C T S U P P O R T S U R F A C E S
U N I T B A S E
W O O D N A I L E R
8 " M I N . A B O V E F I N I S H E D R O O F
C U R B F R A M E
I N S U L A T I O N
U N I T B A S E R A I L
C O U N T E R F L A S H I N G
C A N T S T R I P
I N S U L A T I O N A N D R O O F I N G M A T E R I A L
R O O F D E C T A N D R O O F I N G M A T E R I A L
1 4 "
1 "