Duro-Last Duro-Guard Sopramastic - Manual

DURO-GUARD
®
SOPRAMASTIC
1 of 1 www.duro-last.com 800-248-0280
Duro-Last, Duro-Guard and “World’s Best Roof” are registered marks owned by Duro-Last, Inc.
Created: 01/23/2014
DESCRIPTION:
Duro-Guard ® Sopramastic is a black, solvent-based
mastic containing SBS modified bitumen, fibers and
mineral fillers. Sopramastic has been formulated
with a high level of polymer in order to resist flow at
high temperatures and is easily manipulated at
temperatures down to 14° F.
Sopramastic is an ideal complement for the Duro-
Guard Sopravap’r when used together to form a
temporary roof assembly. It’s uses include
waterproofing of T joints, transitions and any other
openings within a Sopravap’r temporary roof
assembly.
ORDERING:
Sopramastic is supplied in 10.5-ounce caulk tubes
and can be ordered individually or in cases of 20.
STORAGE AND HANDLING
Product can be stored for up to 12 months in original
sealed containers. Store in a cool, dry area.
Product is flammable. Keep away from open
flames.
PRECAUTIONS:
1. Read Safety Data Sheets (SDS) prior to using.
2. Wear proper personal protective equipment, such
as gloves and eye protection, per the SDS.
3. This product is not intended for use with any
Duro-Last ® membrane.
INSTALLATION:
1. Limitations
a. The minimum ambient and surface
temperature before application should be
14
 F and rising.
b. Apply to a clean and structurally sound
substrate.
2. When Sopravap’r is used as a temporary roof,
apply Sopramastic at all T joints, transitions, and
openings with a standard cartridge extruder gun.
Sopramastic is not required if the Sopravap’r is
immediately covered by a complete roof
assembly. Sopramastic can be applied to
damp surfaces.
3. Reference detail drawings for more information.
TABLE 1. PHYSICAL PROPERTIES 1, 2
Standards Results
Specific gravity at 68° F - 1.12 kg/L
Color - Black
Application temperature
range
- 14 to 95º F
Service temperature
range
- -40 to 175º F
Solids by weight - 83%
Set time -
Between 4 and 24 hours,
depending on temperature
and quantity applied.
1 All values are nominal.
2 Meets the requirements of CAN/CGSB-37.5-M89 and ASTM
D4586 standards.
CLEANING:
Tools can be cleaned with petroleum solvents such
as mineral spirits, Varsol
™ , xylene, etc. Do not allow
cleaning solvents to come in contact with any Duro-
Last membrane.