Master Flash®
  • Engineered for profiled roofing materials
  • The base is designed to form a seal on any metal panel configuration and roof pitch
  • Cut opening 20% smaller than the pipe outside diameter (OD) to get a compression seal
  • Compounded specfically for maximum resistance to weathering due to ozone and ultraviolet light
  • Master Flash is easily customized with a sharp knife

NOTE: Using petroleum based mastics, sealing compounds or paints on collar will void warranty.

Master Flash is a registered trademark of Aztec Washer.

EPDM
Grey
Silicone
Red
MSDS not required
EPDM
SILICONE
ADVANCED OZONE RESISTANCE tested to ...
70 hours@500 pphm
70 hours@500 pphm
HIGH TEMPERATURE RESISTANCE
tested to ... intermittent
tested to ... continuous

+135ºC (+275ºF)
+100ºC (+212ºF)

+260ºC (+500ºF)
+225ºC (+437ºF)
LOW TEMPERATURE RESISTANCE tested to ...
-55ºC (-65ºF)
-74ºC (-100ºF)
TENSILE STRENGTH minimum ...
10 MPa (1450 psi)
5 MPa (700 psi)
COMPRESSION SET maximum ...
25%
50%
Part No.
Designate Pipe Size
Compound
A
B
C
Ctn. Qty.
Ctn. Wt.
MINI
1/8" - 3/4"
3mm to 20mm
EPDM
Top opening diameter
1/16"
Cut to suit pipe size
1/8" - 3/4"
Base dimensions
2-1/4"
30
1
#1
1/4" - 2"
6mm to 50mm
EPDM
Top opening diameter
CLOSED
Cut to suit pipe size
1/4" - 2"
Base dimensions
4-1/2"
15 3
Silicone
#2
1 - 1/4" - 3"
32mm to 76mm
EPDM
Top opening diameter
7/8"
Cut to suit pipe size
1/4" - 3"
Base dimensions
6"
15 5
Silicone
#3
1/4" - 4"
6mm to 102mm
EPDM
Top opening diameter
CLOSED
Cut to suit pipe size
1/4" - 4"
Base dimensions
8"
15 8
Silicone
#4
3" - 6"
76mm to 152mm
EPDM
Top opening diameter
2 1/2"
Cut to suit pipe size
3" - 6"
Base dimensions
10"
10 8
Silicone
#5
4" - 7"
102mm to 178mm
EPDM
Top opening diameter
3 - 1/2"
Cut to suit pipe size
4" - 7"
Base dimensions
11"
10 11
Silicone
#6
5" - 9"
127mm to 228mm
EPDM
Top opening diameter
4"
Cut to suit pipe size
5" - 9"
Base dimensions
12"
10 14
Silicone
#7
6" - 11"
152mm to 280mm
EPDM
Top opening diameter
5"
Cut to suit pipe size
6" - 11"
Base dimensions
14"
10 18
Silicone
#8
7" -13"
178mm to 330mm
EPDM
Top opening diameter
6"
Cut to suit pipe size
7" - 13"
Base dimensions
17"
5 14
Silicone
#9
10" - 18"
254mm to 467mm
EPDM
Top opening diameter
8 - 1/2"
Cut to suit pipe size
10" - 18"
Base dimensions
25"
5 24
Silicone
MAX
13" - 26"
330mm to 660mm
EPDM
Top opening diameter
11"
Cut to suit pipe size
13" - 26"
Base dimensions
34"
5 45
Silicone
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