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Sizing Guide
35 YEAR / SQUARE BASE FLASHING 
| Size | Pipe Size | Base Dimensions | Material |
| Mini | ⅛" - ¾" | 2¼" X 2¼" | EPDM |
| #1 | ¼" - 2¾" | 4½" X 4½" | EPDM |
| #2 | 7/8" - 4" | 6" X 6" | EPDM |
| #3 | ¼" - 5¾" | 8" X 8" | EPDM |
| #4 | 2¾" - 7" | 10" X 10" | EPDM |
| #5 | 4" - 8¼" | 11" X 11" | EPDM |
| #6 | 4¾" - 10" | 12" X 12" | EPDM |
| #7 | 5½" - 11½" | 14" X 14" | EPDM |
| #8 | 6¾" - 13½" | 17" X 17" | EPDM |
STANDARD / SQUARE BASE FLASHING 
| Size | Pipe Size | Base Dimensions | Material |
| Mini | ⅛" - ¾" | 2¼" X 2¼" | EPDM/SILICONE |
| #1 | ¼" - 2¾" | 4½" X 4½" | EPDM/SILICONE |
| #2 | 7/8" - 4" | 6" X 6" | EPDM/SILICONE |
| #3 | ¼" - 5¾" | 8" X 8" | EPDM/SILICONE |
| #4 | 2¾" - 7" | 10" X 10" | EPDM/SILICONE |
| #5 | 4" - 8¼" | 11" X 11" | EPDM/SILICONE |
| #6 | 4¾" - 10" | 12" X 12" | EPDM/SILICONE |
| #7 | 5½" - 11½" | 14" X 14" | EPDM/SILICONE |
| #8 | 6¾" - 13½" | 17" X 17" | EPDM/SILICONE |
| #9 | 9½" - 20½" | 25" X 25" | EPDM/SILICONE |
| Maxi | 12" - 28½" | 34" X 34" | EPDM/SILICONE |
UNIVERSAL / ROUND BASE FLASHING 
| Size | Pipe Size | Base Diameter | Material |
| #1 | ¼"- 2½" | 4¾" | EPDM/SILICONE |
| #2 | 1¾" - 3" | 6.21" | EPDM/SILICONE |
| #3 | ¼" - 5" | 7.74" | EPDM/SILICONE |
| #4 | 3" - 6¼" | 9.26" | EPDM/SILICONE |
| #5 | 4¼" - 7¾" | 10.75" | EPDM/SILICONE |
| #6 | 5" - 9" | 12.50" | EPDM/SILICONE |
| #7 | 6" - 11" | 14.60" | EPDM/SILICONE |
| #8 | 7" - 13" | 16.5" | EPDM/SILICONE |
| #9 | 9" - 19" | 25.25" | EPDM/SILICONE |
MULTI-FLASH / SQUARE BASE FLASHING 
| Size |
Standard Pipe Size |
Retrofit Pipe Size |
Base Dimensions | Material |
| #2 | 7/8" - 4" | 1/2" - 3½" | 6" X 6" | EPDM |
| #3 | ¼" - 5¾" | 2" - 4½" | 8" X 8" | EPDM |
| #4 | 2¾" - 7" | 2¼" - 6½" | 10" X 10" | EPDM |
| #5 | 4" - 8¼" | 3½" - 6¾" | 11" X 11" | EPDM |
| #6 | 4¾" - 10" | 4¼" - 9½" |
12" X 12" | EPDM |
| #7 | 5½" - 11½" | 5" - 11" |
14" X 14" | EPDM |
| #8 | 6¾" - 13½" | 6½" - 12" |
17" X 17" | EPDM |
| #9 | 9½ " - 20½" | 9" - 20" |
25" X 25" | EPDM |
| Maxi | 12" - 28½" | 13" - 27" | 34" X 34" | EPDM |
RESIDENTIAL / ALUMINUM SQUARE BASE FLASHING 
| Size | Pipe Size | Base Dimensions | Material |
| MINI | ¼"- 3" | 16" X 19¼" | EPDM/SILICONE |
| #1 | 3" - 8" | 20" X 24" |
EPDM/SILICONE |
| #2 | 8" - 11" | 26" X 30" | EPDM/SILICONE |
| #3 | 11" - 18 " | 35" X 35" | EPDM/SILICONE |
RES-LEAD / SAFE-LEAD SQUARE BASE FLASHING 
| Size | Pipe Size | Base Dimensions | Material |
| MINI | ¼"- 3" | 16" X 19¼" | EPDM/SILICONE |
| #1 | 3" - 8" | 20" X 24" |
EPDM/SILICONE |
| #2 | 8" - 11" | 26" X 30" | EPDM/SILICONE |
| #3 | 11" - 18 " | 35" X 35" | EPDM/SILICONE |
RETROFIT / SQUARE BASE FLASHING 
| Size | Pipe Size | Base Dimensions | Material |
| #1 | ½"- 4" | 83/16" X 83/16" | EPDM/SILICONE |
| #2 | 4" - 9¼" | 14¼" X 14¼" | EPDM/SILICONE |
| #3 | 9¼" - 16¼" | 21½" X 21½" | EPDM/SILICONE |
UNIVERSAL RETROFIT / ROUND BASE FLASHING 
| Size | Pipe Size | Base Diameter | Material |
| #1 | ¾"- 2¾" | 63/10" X 63/10" | EPDM/SILICONE |
| #2 | 2" - 7¼" | 10¾" X 10¾" | EPDM/SILICONE |
| #3 | 3¼" - 10 " | 14½" X 14½" | EPDM/SILICONE |
SQUARE VENT RETROFIT / SQUARE BASE FLASHING 
| Size | Pipe Size | Base Dimensions | Material |
| #1 | 2½"- 4" | 8 " X 8" | EPDM |
| #2 | 2¼" - 5 " | 15¾" X 15¾" | EPDM |
MULTI-PORT/ SQUARE BASE FLASHING 
| Standard Pipe Size |
Retrofit Pipe Size | Base Dimensions | Material |
| ¼"- 2¾" | 1¼" - 2¼" | 4 ½" X 4½" | EPDM/SILICONE |
SOLAR-MULTI-PORT-CT & MR / SQUARE BASE FLASHING 
| Center Port |
Side Ports | Front Ports | Base Dimensions | Material |
| 0"- 1.94 " | 0"-¾" | 0"-.375" | 4½" X 4½" | EPDM/SILICONE |
SOLAR FLASH / ROUND BASE FLASHING 
| Pipe Size | Base Diameter | Material |
| ¾"- 1" | 4 " | EPDM/SILICONE |
MIDDY / SQUARE BASE FLASHING 
| Center Port |
Front Port | Base Diameter | Material |
| 0"- 2" | .125" - .375" | 3¾ " | EPDM/SILICONE |
SOLAR-MULTI-PORT- AL & LD / SQUARE BASE FLASHING 
| Base Type | Center Port |
Side Ports | Front Ports | Base Dimensions | Material |
| Aluminum | 0"- 1.94 " |
0"-¾" | 0"-.375" | 17¾" X 24" | EPDM/SILICONE |
| Lead | 0"- 1.94 " |
0"-¾" | 0"-.375" | 16" X 19¼" | EPDM/SILICONE |
EXTREME ANGLE / SQUARE BASE FLASHING 
| Pipe Size | Base Dimensions | Material |
| ¼ "- 5¾" | 11"x11" | EPDM/SILICONE |
ELECTRICAL MAST CONNECTION / SQUARE BASE FLASHING 
| Pipe Size | Base Dimensions | Material |
| 0"- 5-3/8 " | 15"x15" | EPDM |
MINI-PORT / SQUARE BASE FLASHING 
| Center Port | Side Port |
Base Dimensions | Material |
| 0"- 13/16" | ¾"- 3/8 " | 3"x3" | EPDM/SILICONE |
| Pipe Size | Base Diameter | Material |
| ¾"- 1" | 4 " | EPDM/SILICONE |