Duro-Last SB-240 User Manual

DURO-LAST® SUREBOND S B-240 MASTIC

Description:

Duro-Last®, Inc. supplies trowelable mastic for use

with the Duro-Last roofing system. Surebond S B-240 is medium weight solvent rele ase mastic that u tilizes synthetic rubber and resins as base products which provide excellent water-resistant properties and adhesion.

SB-240 is m oisture-resistant, which is most important

with today's high tech single-ply m aterials. SB-240 is normally used as an underseal. This product cannot be used as a splicing c ement, p itch pocket filler, night seal or p erimeter flashing adhesive. It is not contact cement, but a sealant.

SB-240 is formulated for adhesion to all types of building materials including masonry, wood, metal, insulation, and galvanized flashing. Its high tack ensures a weather-tight seal around penetrations.

DATA SHEET

SUREBOND

SB-240

SB-240 is odorless and easy to use. Cleanup is easily accomplished with Mineral Spirits or Naphtha.

Material Safety Data Sheet:

Product Name: SB-240 Single Ply Roofing Mastic

Installation:

1. SB-240 can be used for back-seal, scuppers,

drains, flashing details and under the membrane.

2. In no instance shall the SB-240 be used in such a

way that it would be subject to permanent exposure to ultraviolet radiation.

Note:

• Use extreme caution when using solvents for any

cleanup.

• SB-240 is available in five gallon pails, which will

seal approximately 450 ft.² (42 m²) of Duro-Last membrane.

• SB-240 must be inst all ed in acc ordance with

current Duro-Last, Inc. specifications.

SURE-BOND-240 MASTIC PROPERTIES

Color Base

Viscosity Medium weight

Type

Storage

Syntheti c ru bber and resin

Above 40°F (4°C) and below

Gray

Solvent release

90°F (32°C)

Duro-Last: The Proven Performer®

www.duro-last.com

"Duro-Last " an d " The World's Best Roof" are registered marks owned by Duro-Las t , Inc.

800-248-0280

2009