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"Dryvit Outsulation® Systems"
System

Substrate

WRB

Adhesive

Insulation

Base Coat

Primer

Finish Coat

Accessories

Outsulation® Plus

  • cement board
  • concrete
  • glass-mat-surfaced gypsum
  • masonry
  • OSB
  • plywood

Primus®

flat EPS

Primus®

Color Prime®™Footnote (2)

DPR
  • AquaFlash®
  • corrugated drainage strip

Outsulation® PlusNC

  • cement board
  • concrete
  • glass-mat-surfaced gypsum
  • masonry

 

Primus® DM

flat EPS

Primus® DM

Color Prime™Footnote (2)

DPR
  • AquaFlash®
  • corrugated drainage strip

Outsulation® MD

  • cement board
  • concrete
  • glass-mat-surfaced gypsum
  • masonry
  • OSB/plywood

Primus®

"MD" GDDC EPS Insulation

Primus®

Color Prime™Footnote (2) 

DPR
  • AquaFlash®
  • AquaVent
  • corrugated drainage strip

Outsulation® MDNC

  • cement board
  • concrete
  • glass-mat-surfaced gypsum
  • masonry

Primus® DM

"MD" GDDC EPS Insulation

Primus® DM

Color Prime™Footnote (2) 

DPR
  • AquaFlash®
  • AquaVent
  • corrugated drainage strip

"Outsulation® PD

  • cement board
  • concrete
  • glass-mat-surfaced gypsum
  • OSB
  • masonry
  • plywood

Primus®

Geometrically Defined EPS

Primus®

Color Prime™Footnote (2)

DPR
  • AquaFlash®
  • AquaVent

Outsulation® PDNC

  • cement board
  • concrete
  • glass-mat-surfaced gypsum
  • masonry

Primus® DM

Geometrically Defined EPS

Primus® DM

Color Prime™Footnote (2)

DPR
  • AquaFlash®
  • AquaVent
Ash Content

Property

Unit

Requirement

Result

Ash content

WRB (Dryflex®)

%

Report value

80.0

WRB (Backstop® NT™)

%

Report value

59.9

%

Report value

92.5

Primus® DM

Sandpebble® Fine

%

Report value

60.4
Adhesion of WRB to Substrates Other Than Plywood/OSB

Property

Unit

Requirement No detachment at bonding plane @

Result

Adhesion bond of WRB to concrete

Dryflex® dry state

MPa

0.25

0.62

Dryflex® 2 h drying

MPa

0.08

0.46

Dryflex® 7 d drying

MPa

0.25

1.05

Backstop® NT™ dry state

MPa

0.25

2.00

Backstop® NT™ 2 h drying

MPa

0.08

2.00

Backstop® NT™ 7 d drying

MPa

0.25

2.00

Adhesion bond of WRB to concrete

Backstop® NT-VB dry state

MPa

0.25

1.04

Backstop® NT-VB 2 h drying

MPa

0.08

0.43

Backstop® NT-VB 7 d drying

MPa

0.25

0.81

Adhesion bond of WRB to glass mat gypsum

Backstop® NT-VB dry state

MPa

0.25

0.88

Backstop® NT-VB 2 h drying

MPa

0.08

0.19

Backstop® NT-VB 7 d drying

MPa

0.25

0.32
Adhesion Bond of Adhesive to WRB
Property

Unit

Requirement No detachment at bonding plane @

Result

Adhesion bond

Primus® DM to Dryflex®

dry state

MPa

0.25

0.73

2 h drying

MPa

0.08

0.56

7 d drying

MPa

0.25

0.72

Primus® DM to Backstop® NT™

dry state

MPa

0.25

0.65

2 h drying

MPa

0.08

0.37

7 d drying

MPa

0.25

1.16

Primus® DM to Backstop® NT-VB

dry state

MPa

0.25

0.71

2 h drying

MPa

0.08

0.51

7 d drying

MPa

0.25

0.72

Primus® to Dryflex®

dry state

MPa

0.25

1.22

2 h drying

MPa

0.08

0.51

7 d drying

MPa

0.25

0.24

Primus® to Backstop® NT™

dry state

MPa

0.25

2.09

2 h drying

MPa

0.08

1.52

7 d drying

MPa

0.25

1.74
Adhesion Bond of Adhesive to Insulation

Property

Unit

Requirement No detachment at bonding plane @

Result

Adhesion bond

Primus® DM to EPS dry state

MPa

0.08

0.24

Primus® DM to EPS 2 h drying

MPa

0.08

0.20

Primus® DM to EPS 7 d drying

MPa

0.08

0.22

Primus® to EPS dry state

MPa

0.08

0.25

Primus® to EPS 2 h drying

MPa

0.08

0.23

Primus® to EPS 7 d drying

MPa

0.08

0.24
Lamina Bond Strength Tests

Property

Unit

Requirement No detachment at bonding plane @

Result

Lamina bond strength

base coat to insulation

Primus® DM to EPS dry state

MPa

0.08

0.24

Primus® DM to EPS 2 h drying

MPa

0.08

0.20

Primus® DM to EPS 7 d drying

MPa

0.08

0.20

Primus® to EPS dry state

MPa

0.08

0.25

Primus® to EPS 2 h drying

MPa

0.08

0.23

Primus® to EPS 7 d drying

MPa

0.08

0.24

finish coat to base coat

Primus® DM to DPR dry state

MPa

0.08

0

Primus® DM to DPR 2 h drying

MPa

0.08

0.22

Primus® DM to DPR 7 d drying

MPa

0.08

0.23

Primus® to DPR dry state

MPa

0.08

0.59

Primus® to DPR 2 h drying

MPa

0.08

0.16

Primus® to DPR 7 d drying

MPa

0.08

0.35
Water Vapour Transmission of WRB

Property

Unit

Requirement

Result

Dryflex®

ng/(Pa·s·m2)

Report value

227

Backstop® NT™

ng/(Pa·s·m2)

Report value

26

ng/(Pa·s·m2)

Report value

6

Backstop® NT-VB
Water Vapour Transmission of LaminaFootnote (1)

Property

Unit

Requirement

Result

Primus® DM

ng/(Pa·s·m2)

Report value

95

Primus®

ng/(Pa·s·m2)

Report value

73
Water Absorption
Property

Unit

Requirement

Result

Water absorption of base coat

base coat (Primus® DM)

%

≤ 20 of the dry weight

15.0

base coat (Primus®)

%

≤ 20 of the dry weight

11.6

Water absorption of lamina (optional)

Primus® and DPR

%

≤ 20 of the dry weight

11.6
Water Absorption Coefficient of WRB at 72 Hours

Property

Unit

Requirement

Result

Backstop® NT™

kg/(m2·s1/2)

4 × 10-3

2.94 × 10-3

Backstop® NT™

kg/(m2·s1/2)

4 × 10-3

0.2 × 10-3

Dryflex®

kg/(m2·s1/2)

4 × 10-3

1.3 × 10-3
Impermeability to Water

Property

Unit

Requirement

Result

Primus® DM

h

No water penetration in less than 2 h

Pass

Primus®

h

water penetration in less than 2 h

Pass

Pass
Mildew and Fungus Resistance

Property

Unit

Requirement

Result

Mildew and fungus resistance

No unit

No growth

Pass
Accelerated Weathering Resistance

Property

Unit

Requirement

Result

Lamina @ 2000 hrs

No unit

No cracking, flaking or deleterious effects

Pass

WRB @ 250 hrs

No unit

No cracking, flaking or deleterious effects

Pass
Salt Spray Resistance

Property

Unit

Requirement

Result

Salt spray resistance @ 300 hrs

No unit

No cracking, flaking or deleterious effects

Pass
Durability Under Environmental Cyclic Conditions

Property

Unit

Requirement

Result

Environmental cycling (60 cycles)Footnote (1)

No unit

No cracking, blistering or sagging of base coat, and no detachment or crazing of finish coat

Pass

Adhesion bond strength base coat (Primus® DM)

MPa

0.08

0.18

Adhesion bond strength finish coat (Sandpebble® Fine)

MPa

0.08

0.18
Reinforcement Mesh Breaking Strength ResistanceFootnote (1)

Property

Unit

Requirement

Result

Ash content

%

Report value

14.7

Mass per unit area

g/m2

Report value

145

Tensile Strength

 

 

Weft

Warp

Initial strength

N/mm

≥ 35

43.3

36.2

Loss of tensile strength after 28-day 3 ion soak

%

≤ 50

26.7

22.4

Residual tensile strength after 28-day 3 ion soak

N/mm

≥ 20

31.8

28.1

Elongation @ break initial

%

Report value

4.1

4.1

Elongation @ break after 28-day 3 ion soak

%

Report value

2.9

2.9
Impact Resistance

Property

Unit

Requirement

Result

Impact resistance of min. 200 g/m2 mesh

10 joules

No unit

Six of 10 free-fall drops shall show no perforation (broken mesh)

Pass

3 joules

No unit

Six of 10 free-fall drops shall show no cracks

Pass
Wind Load ResistanceFootnote (1)

Reference Wind Pressure (kPa)

Sustained

Cycling

Gust

Deflection Test

P1, P'1 (Pa)

P2, P'2 (Pa)

P3, P'3 (Pa)

Test Pressure (Pa) 2.18 P1, P'1

Measured Maximum Net Mid-span Deflections (mm)

Stud Span 3050 mm

Sheathing Span 406 mm

Q50 ≤ 0.45

±450

Pass

±660

Pass

±980

Pass

+980

5.7

0.8

-980

6.7

1.0

Q50 ≤ 0.55

±550

Pass

±800

Pass

±1 200

Pass

+1 200

7.4

1.1

-1 200

8.4

1.3

Q50 ≤ 0.60

±650

Pass

±950

Pass

±1 410

Pass

+1 410

8.0

1.9

-1 410

9.5

2.2

Q50 ≤ 0.75

±750

Pass

±1 090

Pass

±1 630

Pass

+1 630

9.3

2.8

-1 630

11.0

3.2

Q50 ≤ 0.85

±850

Pass

±1 240

Pass

±1 850

Pass

+1 850

10.5

3.7

-1 850

11.9

4.2

Q50 ≤ 1.00

±1 000

Pass

±1 460

Pass

±2 180

Pass

+2 180

13.0

4.6

-2 180

13.8

5.1

Maximum test pressure @ L/180 deflection

+2 890

16.9

 

-2 750

Ultimate structural test pressure

+3 350

OK

-3 150

Sheathing separation from steel studs occurred
Accelerated Weathering of WRB (Backstop® NT-VB on Glass Mat Gypsum Substrate)

Property

Unit

Requirement

Result

Accelerated weathering resistance

No unit

The WRB applied over glass mat gypsum shall show no cracking, delamination, flaking or any deleterious effects following 250 hrs of exposure to Xenon arc

Sample No.

Result

1

Pass

2

Pass

3

Pass

4

Pass

5

Pass

6

Pass
Adhesion of WRB to (Plywood/OSB) Substrates

Property

Unit

Requirement No detachment at bonding plane @

Result

Adhesion bond of Backstop® NT™

dry state

MPa

0.25

0.956

1 h soaking

0.25

1.0228

24 h soaking

0.25

0.829

Adhesion bond of Backstop® NT-VB

dry state

MPa

0.25

0.884

1 h soaking

0.25

1.043

24 h soaking

0.25

0.830
Joint Disruption Resistance

Property

Unit

Requirements

Results

Joint Width

Result

2 mm

4 mm

Backstop® NT™

joint extension @ L/180 (mm)

mm

The WRB at joints on 2 assemblies shall show no cracking, delamination or any other deleterious effects at a transverse bending of L/180

0.11

0.15

Pass

applied load @ L/180 (kN)

kN

5.76

5.81

Backstop® NT-VB

joint extension @ L/180 (mm)

mm

0.54

1.02

Pass

applied load @ L/180 (kN)

kN

4.79

4.84
Joint Relaxation Resistance

Property

Unit

Requirement

Result

Backstop® NT™

joint relaxation resistance

kg/m2·s

Five WRB-coated OSB specimens subject to a 1.3- mm extension following exposure to fifteen 24-hr environmental cycles shall have a max. average Water Transmission Rate (WTR) of 2 × 10-7 kg/m2·s

Sample No.

Result

1

0.85 × 10-7

2

0.45 × 10-7

3

0.55 × 10-7

4

1.92 × 10-7

5

0.84 × 10-7

Backstop® NT-VB

joint relaxation resistance

Sample No.

Result

1

0.63 × 10-7

2

0.79 × 10-7

3

0.76 × 10-7

4

0.81 × 10-7
Water Transmission Resistance of WRB

Property

Unit

Requirement

Result

Backstop® NT™

water transmission resistance

10-7 kg/m2·s

Five WRB-coated OSB specimens subjected to a 25-mm head of water shall have a max. average WTR of 2 x 10-7 kg/m2·s measured at 10 days

Sample No.

Result

1

1.73 × 10-7

2

1.66 × 10-7

3

1.32 × 10-7

4

0.61 × 10-7

5

1.35 × 10-7

Water Vapour Transmission of WRB (Backstop® NT™)

Property

Unit

Requirement

Result

Water vapour transmission

ng/(Pa·s·m2)

Report value of the WVT rate of the WRB in combination with the OSB applied at the maximum thickness and the OSB alone

Sample No.

Coated

Uncoated

Difference

1

68

116

48

2

58

130

72

3

55

127

72
Accelerated Weathering of WRB (Backstop® NT™ on OSB Substrate)

Property

Unit

Requirement

Result

Accelerated weathering resistance

No unit

The WRB applied over OSB shall show no cracking, delamination, flaking or any deleterious effects following 250 hrs of exposure to Xenon arc

Sample No.

Result

1

Pass

2

Pass

3

Pass

4

Pass

5

Pass

6

Pass
Drainage Capacity of "Outsulation® PlusFootnote (1)"

Property

Requirement

Result

Drainage capacity

The unit-retained water (based on the projected drainage area) following one hour and 48 hours of drainage period shall not be greater than 40 g/m2 for any single test specimen. The drainage capacity shall not be less than 98% of the water mass delivered into the EIFS wall specimen

Retained water (g)

Drainage capacity (%) after 1 h

Per unit area (g/m2 )

1 h

48 h

 

Panel 1

13.4

8.5

99.8 Pass

Panel 2

14.8

5.8

99.8 Pass

Panel 3

14.8

12.3

99.8 Pass

Panel 4

14.8

10.2

99.8 Pass
Drainage Capacity of "Outsulation® Plus NCFootnote (1)"

Property

Requirement

Result

Drainage capacity

The unit-retained water (based on the projected drainage area) following one hour drainage period shall not be greater than 40 g/m2 for any single test specimen. The drainage capacity shall not be less than 98% of the water mass delivered into the EIFS wall specimen

Retained water (g)

Drainage capacity (%) after 1 h

Per unit area (g/m2)

1 h

48 h

Panel 1

21.2

-

99.7 Pass

Panel 2

30.2

-

99.6 Pass

Panel 3

30.7

-

99.6 Pass
Nail Popping Resistance (Backstop® NT™ and Backstop® NT-VB)

Property

Unit

Requirement

Result

Nail popping resistance

No unit

There shall be no cracking or delamination of the WRB following 1 mm nail protrusion from the nails original preset of 1 mm below the surface of the OSB substrate

Sample No.

Result

1

Pass

2

Pass

3

Pass

4

Pass

5

Pass

6

Pass