Duro-Last Duro-Guard Sopravap'r User Manual

Page 2

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Duro-Last, Duro-Guard and “World’s Best Roof” are registered marks owned by Duro-Last, Inc.

Created: 01/15/2014

DURO-GUARD

®

SOPRAVAP’R

INSTALLATION:

1. Limitations

a. The minimum ambient and surface

temperature before application should be
14

F and rising.

b. Do not use during wet weather.
c. Do not use on wet substrates.
d. Do not use on dirty or greasy substrates.
e. Do not use on substrates that show signs of

deterioration or loss of structural integrity.

f. Do not use product after expiration date.

2. Vapor barrier (immediately covered by a roof

system)

a. Install according to the 6 steps shown in the

pictures below.

3. Temporary roof (not immediately covered by a

roof system)

a. Install according to the 6 steps shown below.
b. Cover and seal all T joints, transitions and

any other openings with Sopramastic.



TABLE 1. PHYSICAL PROPERTIES

2

Standards

Results

Thickness

- 31.5

mils

Weight

- 0.16

lb/sqft

Tensile Strength

ASTM D 5147 64 lbf/in x 88 lbf/in

1

Elongation

ASTM D 5147

52% x 24%

1

Cold Bending

ASTM D 5147

-31° F

Static Puncture

ASTM D 5602

90 lbf

Tear Resistance

ASTM D 5601

84 lbf x 90 lbf

1

Lap Adhesion

ASTM D 1876

138 lbf

Water Absorption

ASTM D 5147

0.1% maximum

Peel Resistance

ASTM D 903

83 lbf/ft

Water Vapor Permeance

ASTM E 96

(Pro. B)

.017 perm

Air Permeability

ASTM E 283

(75 Pa)

< 0.007 L/sec

.

m

2

1

Values are shown for both machine and cross machine

directions. The machine direction results are listed first.

2

All values are nominal.



1. Roll out the Sopravap’r over a clean, dry
deck.

2. Once the membrane is in place, while
holding the membrane tight, peel off the
silicone release film by pulling diagonally.

3. Install subsequent rolls of membrane in
the same way, taking care to overlap the
longitudinal joints by 3 inches.

4. On steel decks, at the end of a roll, install
a metal plate (6 in. by 42 in.) to support the
membrane end lap between the metal flutes
ensuring a complete end lap seal. End laps
must overlap by 6 inches.

5. The membrane’s superior strength offers
extra protection from heavy foot traffic during
installation. The slip-resistant surface allows
for safe movement across the roof.

6. Once installation is complete, the
Sopravap’r membrane temporarily protects
against inclement weather. If not immediately
covered, follow extra steps per 3a and 3b in
the instructions above.

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