Roofing Materials / Asphalt / SBS Base
SBS Modified Base Sheet
An ASTM D6163 Type I, Grade S smooth or sand-surfaced sheet designed for use as a base or interply sheet. Suitable for hot-applied, cold-applied or mechanically fastened roofing assemblies.
System
Overview | Options | Documents | Accessories
Overview
SBS Base is a highly versatile modified bitumen membrane engineered to provide a robust, reliable foundation for your roofing assemblies. Featuring a premium blend of SBS polymer and asphalt for superior flexibility and durability, this membrane is reinforced with a 1.8 lb/100 ft² (90 g/m²) strong fiberglass mat to meet and exceed ASTM D6163 Type I, Grade S performance requirements. Its flexible design allows contractors to use a single product for a base or interply sheet that can be successfully installed using hot-applied, cold-applied or mechanically fastened methods, streamlining inventory and adapting to diverse job site requirements.
Installation methods
Options
| Color | Top Surfacing | Size | Weight | Packaging | Approx. Coverage | Item Code |
|---|---|---|---|---|---|---|
|
Color
Black
|
Top Surfacing
Smooth/Sand
|
Size
39.4 in x 50 ft
(1.00 m × 15.24 m) |
Weight
95 lbs
(43.1 kg) |
Packaging
25 Rolls
|
Approx. Coverage
149 sq ft
(13.8 m2) |
Item Code
W81FSS0825
|
Documents
Codes
Details
Base Tie-In
| Title | File Type | Link |
|---|---|---|
| MB-BT-1 BASE FLASHING FOR WALL SUPPORTED DECK | dwg | |
| MB-BT-1 BASE FLASHING FOR WALL SUPPORTED DECK | ||
| MB-BT-10 CURB WALL FLASHING USING AFR EPDM MEMBRANE | ||
| MB-BT-10 CURB WALL FLASHING USING AFR EPDM MEMBRANE | dwg | |
| MB-BT-11 ROOF EDGE ON A PARAPET | ||
| MB-BT-11 ROOF EDGE ON A PARAPET | dwg | |
| MB-BT-12 BASE TIE IN MB COLD ADHESIVE APPLIED | ||
| MB-BT-12 BASE TIE IN MB COLD ADHESIVE APPLIED | dwg | |
| MB-BT-13 BASE TIE IN HOT ASPHALT APPLIED | dwg | |
| MB-BT-13 BASE TIE IN HOT ASPHALT APPLIED | ||
| MB-BT-14 BASE TIE-IN – TORCH APPLIED | ||
| MB-BT-15 ULTRAFLASH CURB | ||
| MB-BT-15 ULTRAFLASH CURB | dwg | |
| MB-BT-16 ULTRAFLASH BASE TIE IN | ||
| MB-BT-16 ULTRAFLASH BASE TIE IN | dwg | |
| MB-BT-17 ULTRAFLASH BASE FLASHING FOR WALL SUPPORTED DECK | dwg | |
| MB-BT-17 ULTRAFLASH BASE FLASHING FOR WALL SUPPORTED DECK | ||
| MB-BT-18 METAL PARAPET CAP AND ULTRAFLASH BASE FLASHING | dwg | |
| MB-BT-18 METAL PARAPET CAP AND ULTRAFLASH BASE FLASHING | ||
| MB-BT-19 ULTRAFLASH BASE FLASHING FOR WALL SUPPORTED DECK | dwg | |
| MB-BT-19 ULTRAFLASH BASE FLASHING FOR WALL SUPPORTED DECK | ||
| MB-BT-2 BASE FLASHING FOR NON WALL SUPPORTED DECK | ||
| MB-BT-2 BASE FLASHING FOR NON WALL SUPPORTED DECK | dwg | |
| MB-BT-20 NEW SYSTEM TO EXISTING SYSTEM TIE IN | ||
| MB-BT-20 NEW SYSTEM TO EXISTING SYSTEM TIE IN | dwg | |
| MB-BT-3 BASE FLASHING FOR VENTED PERIMETER | ||
| MB-BT-3 BASE FLASHING FOR VENTED PERIMETER | dwg | |
| MB-BT-4 BASE TIE IN TORCH APPLIED | dwg | |
| MB-BT-4 SURFACE MOUNTED COUNTER FLASHING FOR CONCRETE WALLS | ||
| MB-BT-4 SURFACE MOUNTED COUNTER FLASHING FOR CONCRETE WALLS | dwg | |
| MB-BT-5 METAL COPING CAP AND BASE FLASHING | ||
| MB-BT-5 METAL COPING CAP AND BASE FLASHING | dwg | |
| MB-BT-6 PREFABRICATED METAL CURB | ||
| MB-BT-6 PREFABRICATED METAL CURB | dwg | |
| MB-BT-7 SKYLIGHT ROOF HATCH AND SMOKE VENT | ||
| MB-BT-7 SKYLIGHT ROOF HATCH AND SMOKE VENT | dwg | |
| MB-BT-8 CURB | ||
| MB-BT-8 CURB | dwg | |
| MB-BT-9 CURB WALL FLASHING USING AFR EPDM EZ TPO MEMBRANE | ||
| MB-BT-9 CURB WALL FLASHING USING AFR EPDM EZ TPO MEMBRANE | dwg |
Corner
| Title | File Type | Link |
|---|---|---|
| MB-C-1 OUTSIDE CORNER | dwg | |
| MB-C-1 OUTSIDE CORNER | ||
| MB-C-2 INSIDE CORNER | dwg | |
| MB-C-2 INSIDE CORNER | ||
| MB-C-3 ULTRAFLASH INSIDE CORNER | dwg | |
| MB-C-3 ULTRAFLASH INSIDE CORNER | ||
| MB-C-4 ULTRAFLASH OUTSIDE CORNER | dwg | |
| MB-C-4 ULTRAFLASH OUTSIDE CORNER |
Drain & Scupper
| Title | File Type | Link |
|---|---|---|
| MB-D-1 ROOF DRAIN | dwg | |
| MB-D-1 ROOF DRAIN | ||
| MB-D-3 NO LEAD ROOF DRAIN | dwg | |
| MB-D-3 NO LEAD ROOF DRAIN | ||
| MB-D-4 ULTRAFLASH NO LEAD ROOF DRAIN | dwg | |
| MB-D-4 ULTRAFLASH NO LEAD ROOF DRAIN | ||
| MB-S-1 SCUPPER | dwg | |
| MB-S-1 SCUPPER | ||
| MB-S-2 ULTRAFLASH SCUPPER | dwg | |
| MB-S-2 ULTRAFLASH SCUPPER |
Expansion Joint
| Title | File Type | Link |
|---|---|---|
| MB-E-1 EXPANSION JOINT WITH METAL COVER | dwg | |
| MB-E-1 EXPANSION JOINT WITH METAL COVER | ||
| MB-E-2 – EXPANSION JOINT WITH PRE MANUFACTURED COVER | dwg | |
| MB-E-2 – EXPANSION JOINT WITH PRE MANUFACTURED COVER | ||
| MB-E-3 – EXPANSION JOINT AT WALL WITH MODIFIED BITUMEN | dwg | |
| MB-E-3 – EXPANSION JOINT AT WALL WITH MODIFIED BITUMEN | ||
| MB-E-4 – EXPANSION JOINT WITH GENFLEX EPDM MEMBRANE | ||
| MB-E-4 – EXPANSION JOINT WITH GENFLEX EPDM MEMBRANE | dwg |
Lap Splice
| Title | File Type | Link |
|---|---|---|
| MB-LS-1 LAP SPLICE COLD ADHESIVE | ||
| MB-LS-1 LAP SPLICE COLD ADHESIVE | dwg | |
| MB-LS-2 LAP SPLICE HOT ASPHALT | ||
| MB-LS-2 LAP SPLICE HOT ASPHALT | dwg | |
| MB-LS-3 LAP SPLICE TORCH APPLIED | dwg | |
| MB-LS-3 LAP SPLICE TORCH APPLIED | ||
| MB-LS-4 END LAP OPTIONS | ||
| MB-LS-4 END LAP OPTIONS | dwg | |
| MB-LS-5 END LAP OPTIONS | dwg | |
| MB-LS-5 END LAP OPTIONS | ||
| MB-LS-6 LAP SPLICE TORCH APPLIED MB | dwg | |
| MB-LS-6 LAP SPLICE TORCH APPLIED MB | ||
| MB-LS-7 MECHANICALLY ATTACHED TWO PLY SBS SYSTEM | dwg | |
| MB-LS-7 MECHANICALLY ATTACHED TWO PLY SBS SYSTEM | ||
| MB-LS-8 LAP SPLICE TORCH APPLIED MB BATTEN IN THE SEAM | dwg | |
| MB-LS-8 LAP SPLICE TORCH APPLIED MB BATTEN IN THE SEAM | ||
| MB-LS-9 BACK NAILING | dwg | |
| MB-LS-9 BACK NAILING |
Miscellaneous
| Title | File Type | Link |
|---|---|---|
| MB-M-1 EQUIPMENT SUPPORT CURB | ||
| MB-M-1 EQUIPMENT SUPPORT CURB | dwg | |
| MB-M-10 HAIL IMPACT GRANULE LOSS REPAIR METHODS | ||
| MB-M-10 HAIL IMPACT GRANULE LOSS REPAIR METHODS | dwg | |
| MB-M-2 PIPE EQUIPMENT SUPPORT | ||
| MB-M-2 PIPE EQUIPMENT SUPPORT | dwg | |
| MB-M-3 SLEEPER | dwg | |
| MB-M-3 SLEEPER | ||
| MB-M-4 CONCRETE WALKWAY PAVER | ||
| MB-M-4 CONCRETE WALKWAY PAVER | dwg | |
| MB-M-5 CATCH PAN | ||
| MB-M-5 CATCH PAN | dwg | |
| MB-M-6 AREA DIVIDER | dwg | |
| MB-M-6 AREA DIVIDER | ||
| MB-M-7 LIGHTNING ROD | dwg | |
| MB-M-7 LIGHTNING ROD | ||
| MB-M-8 WALKWAY PAD | dwg | |
| MB-M-8 WALKWAY PAD |
Penetration
| Title | File Type | Link |
|---|---|---|
| MB-P-1 HOT STACK FLASHING | ||
| MB-P-1 HOT STACK FLASHING | dwg | |
| MB-P-10 ULTRAFLASH I BEAM FLASHING | ||
| MB-P-10 ULTRAFLASH I BEAM FLASHING | dwg | |
| MB-P-2 SHEET METAL ENCLOSURE FOR PIPING THROUGH ROOF DECK | ||
| MB-P-2 SHEET METAL ENCLOSURE FOR PIPING THROUGH ROOF DECK | dwg | |
| MB-P-3 PLUMBING VENT | ||
| MB-P-3 PLUMBING VENT | dwg | |
| MB-P-4 PENETRATION POCKET | dwg | |
| MB-P-4 PENETRATION POCKET | ||
| MB-P-5 PEEL STICK PIPE FLASHING WITH APP 160 TARGET | ||
| MB-P-5 PEEL STICK PIPE FLASHING WITH APP 160 TARGET | dwg | |
| MB-P-6 6 inch PEEL STICK PENETRATION POCKET WITH APP 160 TARGET | ||
| MB-P-6 6 inch PEEL STICK PENETRATION POCKET WITH APP 160 TARGET | dwg | |
| MB-P-7 ULTRAFLASH PIPE FLASHING | dwg | |
| MB-P-7 ULTRAFLASH PIPE FLASHING Copy | ||
| MB-P-8 ULTRAFLASH PENETRATION POCKET Copy | dwg | |
| MB-P-8 ULTRAFLASH PENETRATION POCKET Copy | ||
| MB-P-9 ULTRAFLASH HOT STACK FLASHING | dwg | |
| MB-P-9 ULTRAFLASH HOT STACK FLASHING |
Roof Edge
| Title | File Type | Link |
|---|---|---|
| MB-RE-1 GRAVEL STOP EDGE USING STRIP FLASHING | ||
| MB-RE-1 GRAVEL STOP EDGE USING STRIP FLASHING | dwg | |
| MB-RE-10 GRAVEL STOP EDGE USING STRIP FLASHING IN HOT ASPHALT | dwg | |
| MB-RE-10 GRAVEL STOP EDGE USING STRIP FLASHING IN HOT ASPPHALT | ||
| MB-RE-11 GRAVEL STOP EDGE USING STRIP FLASHING TORCH APPLIED | dwg | |
| MB-RE-11 GRAVEL STOP USING STRIP FLASHING IN HOT ASPHALT | ||
| MB-RE-12 ULTRAFLASH DRIP EDGE | ||
| MB-RE-12 ULTRAFLASH DRIP EDGE | dwg | |
| MB-RE-13 EDGE METAL USING STRIP FLASHING | ||
| MB-RE-13 EDGE METAL USING STRIP FLASHING | dwg | |
| MB-RE-2 GRAVEL STOP DRIP EDGE USING FIELD SHEET FLASHING | ||
| MB-RE-2 GRAVEL STOP DRIP EDGE USING FIELD SHEET FLASHING | dwg | |
| MB-RE-3 GUTTER WITHOUT FLANGE USING STRIP FLASHING | ||
| MB-RE-3 GUTTER WITHOUT FLANGE USING STRIP FLASHING | dwg | |
| MB-RE-4 GUTTER WITHOUT FLANGE USING FIELD SHEET FLASHING | ||
| MB-RE-4 GUTTER WITHOUT FLANGE USING FIELD SHEET FLASHING | dwg | |
| MB-RE-5 GUTTER WITH FLANGE USING STRIP FLASHING | ||
| MB-RE-5 GUTTER WITH FLANGE USING STRIP FLASHING | dwg | |
| MB-RE-6 GUTTER WITH FLANGE USING FIELD SHEET FLASHING | dwg | |
| MB-RE-6 GUTTER WITH FLANGE USING FIELD SHEET FLASHING | ||
| MB-RE-9 GRAVEL STOP EDGE USING STRIP FLASHING IN MB FLASHING CEMENT | dwg | |
| MB-RE-9 GRAVEL STOP EDGE USING STRIP FLASHING IN MB FLASHING CEMENT |
Termination
Wall Flashing
| Title | File Type | Link |
|---|
Submittals
Safety Data Sheets
| Title | Link |
|---|
*See the SDS Portal for additional languages.
