Content page
From [Institution name]
System |
Distinctive System Components |
|||||
---|---|---|---|---|---|---|
Insulation |
Intended Substrate |
Water-Resistive Barrier |
Adhesive |
Base Coat |
Finish Coat |
|
StoTherm®ci Lotusan |
Sto EPS Insulation Board, Sto ProD EPS Insulation Board |
Glass mat gypsum, cement board, concrete, masonry |
StoGuard®, Sto Flexyl, Sto Watertight Coat |
Sto BTS® Plus |
Sto BTS® Plus |
Stolit® Lotusan |
Plywood/OSB |
StoGuard® |
|||||
StoTherm®ci Classic |
Sto EPS Insulation Board, Sto ProD EPS Insulation Board |
Glass mat gypsum, cement board, concrete, masonry |
StoGuard®, Sto Flexyl, Sto Watertight Coat |
Sto BTS® Plus |
Sto BTS® Plus |
Stolit®, StoSilco® Lit |
Cement board |
StoGuard® |
|||||
StoTherm®ci Essence |
Sto EPS Insulation Board, Sto ProD EPS Insulation Board |
Concrete |
StoGuard®, Sto Flexyl, Sto Watertight Coat |
Sto Primer Adhesive B |
Sto Primer Adhesive B |
Sto Essence Finish |
Masonry |
StoGuard® |
|||||
StoTherm®ci Essence |
Sto EPS Insulation Board, Sto ProD EPS Insulation Board |
Glass mat gypsum, cement board, concrete, masonry |
StoGuard®, Sto Flexyl, Sto Watertight Coat |
Sto Primer Adhesive |
Sto Primer Adhesive |
Sto Essence Finish |
Plywood/OSB |
StoGuard® |
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Ash content |
WRB (StoGuard®) Sto Gold Fill® Sto Gold Coat® |
% |
Report value |
|
75.4 |
||||
66.7 |
||||
WRB (Sto Flexyl) |
97.2 |
|||
WRB (Sto Watertight Coat) |
52.2 |
|||
Adhesive/base coat (Sto BTS® Plus) |
95.1 |
|||
Adhesive/base coat (Sto Primer/Adhesive-B) |
95.6 |
|||
Adhesive/base coat (Sto Primer/Adhesive) |
86.1 |
|||
Finish coat (Stolit® Lotusan) |
62.8 |
|||
Finish coat (Stolit®) |
64.2 |
|||
Finish coat (StoSilco® Lit) |
64.7 |
|||
Finish coat (Sto Essence Finish) |
61.8 |
Infrared Analysis
Property |
Requirement |
Result |
|
---|---|---|---|
Infrared analysis |
WRB (StoGuard®) Sto Gold Fill® Sto Gold Coat® |
Report value |
Report on file |
WRB (Sto Flexyl) |
|||
WRB (Sto Watertight Coat) |
|||
Adhesive/base coat (Sto BTS® Plus) |
|||
Adhesive/base coat (Sto Primer/Adhesive-B) |
|||
Adhesive/base coat (Sto Primer/Adhesive) |
|||
Finish coat (Stolit® Lotusan) |
|||
Finish coat (Stolit®) |
|||
Finish coat (StoSilco® Lit) |
|||
Finish coat (Sto Essence Finishes) |
Adhesion Bond of WRB to Plywood/OSB
Property |
Unit |
Requirement: no detachment at bonding plane @ |
ResultFootnote (1) |
||
---|---|---|---|---|---|
Adhesion bond |
StoGuard® to plywood |
dry state |
MPa |
0.25 |
0.730 |
2-h drying |
0.08 |
0.447 |
|||
7-d drying |
0.25 |
0.697 |
|||
StoGuard® to OSB |
dry state |
0.25 |
0.509 |
||
2-h drying |
0.08 |
0.111 |
|||
7-d drying |
0.25 |
0.289 |
Adhesion/Cohesion Bond of WRB to Substrates other than Plywood/OSB
Property |
Unit |
Requirement: no detachment at bonding plane @ |
Result |
||
---|---|---|---|---|---|
Adhesion bond |
StoGuard® to cement board |
dry state |
MPa |
0.25 |
0.635 |
2-h drying |
0.08 |
0.440 |
|||
7-d drying |
0.25 |
0.197 |
|||
StoGuard® to glass mat gypsum |
dry state |
0.25 |
0.227 |
||
2-h drying |
0.08 |
0.097 |
|||
7-d drying |
0.25 |
0.118 |
|||
Sto Flexyl to cement board |
dry state |
0.25 |
0.613 |
||
2-h drying |
0.08 |
0.419 |
|||
7-d drying |
0.25 |
0.708 |
|||
Sto Flexyl to glass mat gypsum |
dry state |
0.25 |
0.397 |
||
2-h drying |
0.08 |
0.125 |
|||
7-d drying |
0.25 |
0.215 |
|||
Sto Watertight coat to cement board |
dry state |
0.25 |
0.613 |
||
2-h drying |
0.08 |
0.419 |
|||
7-d drying |
0.25 |
0.708 |
|||
Sto Watertight coat to glass mat gypsum |
dry state |
0.25 |
0.397 |
||
2-h drying |
0.08 |
0.125 |
|||
7-d drying |
0.28 |
0.215 |
Property |
Unit |
Requirement: no detachment at bonding plane @ |
Result |
||
---|---|---|---|---|---|
Adhesion/cohesion bond |
StoGuard® to concrete |
dry state |
MPa |
0.25 |
0.455 |
2-h drying |
0.08 |
0.551 |
|||
7-d drying |
0.25 |
0.475 |
Adhesion Bond of Adhesive to WRB
Property |
Unit |
Requirement: no detachment at bonding plane @ |
Result |
||
---|---|---|---|---|---|
Adhesion bond |
Sto BTS® Plus to StoGuard® |
dry state |
MPa |
0.25 |
0.251 |
2-h drying |
0.08 |
0.225 |
|||
7-d drying |
0.25 |
0.428 |
|||
Sto Primer/Adhesive B to StoGuard® |
dry state |
0.25 |
0.401 |
||
2-h drying |
0.08 |
0.370 |
|||
7-d drying |
0.25 |
0.447 |
|||
Sto BTS® Plus to Sto Flexyl |
dry state |
0.25 |
0.3 |
||
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.25 |
0.3 |
|||
Sto Primer/Adhesive B to Sto Flexyl |
dry state |
0.25 |
0.3 |
||
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.25 |
0.3 |
|||
Sto BTS® Plus to Sto Watertight Coat |
dry state |
0.25 |
0.3 |
||
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.25 |
0.3 |
|||
Sto Primer/Adhesive B to Sto Watertight Coat |
dry state |
0.25 |
0.3 |
||
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.25 |
0.3 |
Adhesion Bond of Adhesive to Insulation
Property |
Unit |
Requirement |
Result |
||
---|---|---|---|---|---|
Adhesion bond |
Sto BTS® Plus to EPS |
dry state |
MPa |
0.08 |
0.1 |
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.08 |
0.1 |
|||
Sto Primer/Adhesive B to EPS |
dry state |
0.08 |
0.1 |
||
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.08 |
0.1 |
|||
Sto Primer/Adhesive to EPS |
dry state |
0.08 |
0.1 |
||
2-h drying |
0.08 |
0.1 |
|||
7-d drying |
0.08 |
0.1 |
Lamina Bond Strength
Property | Unit |
Requirement |
Result |
||
---|---|---|---|---|---|
Adhesion bond |
Sto BTS® Plus/Stolit® to EPS |
dry state |
MPa |
0.1 |
0.221 |
2-h drying |
0.1 |
0.143 |
|||
7-d drying |
0.1 |
0.214 |
|||
Sto Primer Adhesive/Stolit® to EPS |
dry state |
0.1 |
0.194 |
||
2-h drying |
0.1 |
0.103 |
|||
7-d drying |
0.1 |
0.193 |
Water Vapour Transmission (WVT) of WRB
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
WVT |
StoGuard® over OSB |
ng/Pa·s·m2 |
Report value |
156Footnote (1) |
StoGuard® over glass-mat gypsum |
321Footnote (1) 232Footnote (2) |
|||
Sto Flexyl over OSB |
||||
Sto Flexyl over glass-mat gypsum |
187Footnote (1) |
|||
Sto Watertight over OSB |
||||
Sto Watertight over glass-mat gypsum |
|
|
187Footnote (1) |
Water Vapour Transmission (WVT) of Lamina
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
WVT |
Sto BTS® Plus |
ng/Pa·s·m2 |
Report value |
524 |
Sto Primer/Adhesive B |
211.8 |
|||
Sto Primer/Adhesive |
429 |
Water Absorption of Base Coat
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Water absorption of base coat |
Sto BTS® Plus |
% |
≤ 20% of the dry weight |
12.28 |
Sto Primer/Adhesive |
19.37 |
|||
Sto Primer/Adhesive B |
17.05 |
Water-Absorption Coefficient of WRB
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Water-absorption coefficient of WRB @ 72 hours |
StoGuard |
kg/(m2·s1/2) |
≤ 0.004 |
0.0003 |
Sto Watertight Coat |
0.0013 |
|||
Sto Flexyl |
0.0013 |
Base Coat Impermeability to Water
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Base coat impermeability to water |
Sto BTS® Plus |
h |
No water penetration in less than 2 h |
Pass |
Sto Primer/Adhesive B |
Pass |
|||
Sto Primer/Adhesive |
Pass |
Mildew and Fungus Resistance
Property |
Requirement |
Result |
---|---|---|
Mildew and fungus resistance of finish coat (Stolit® & StoSilco® Lit) |
No growth |
Pass |
Accelerated Weathering Resistance
Property |
Adhesive Material |
Applied Finish |
Requirement |
Result |
---|---|---|---|---|
Accelerated weathering resistance of lamina @ 2000 hrs |
Sto BTS® Plus |
Stolit® Finish |
No cracking, flaking or deleterious effects |
Pass |
Salt Spray Resistance
Property |
Requirement |
Result |
|
---|---|---|---|
Salt spray resistance @ 300 hours |
Sto BTS® Plus/Stolit |
No cracking, flaking or deleterious effects |
Pass |
Sto Primer/Adhesive/Stolit® |
Pass |
Durability under Environmental Cycling Conditions
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Pre-conditioning (drainage evaluation) |
L |
Report water quantity |
introduced |
13.5 |
drained |
12.59 |
|||
retained |
0.91 |
|||
Environmental cycling (60 cycles) |
– |
No cracking, blistering or sagging of base coat and no detachment or crazing of finish coat |
pass |
|
Adhesion bond strength after environmental cycling |
MPa |
0.1 |
0.31 |
Property |
Unit |
Requirement |
Result |
||
---|---|---|---|---|---|
Ash content |
% |
Report value |
14.7 |
||
Mass per unit area |
g/m2 |
Report value |
14 |
||
Breaking strength resistance |
Weft |
Warp |
|||
Initial tensile strength |
N/mm |
≥ 35 |
37.2 |
40.3 |
|
Loss of tensile strength after |
28-day, 3-ion soak |
% |
≤ 60% for adhered EIFS ≤ 50% for mechanically fastened EIFS |
17.7 |
7.3 |
Residual tensile strength after |
28-day, 3-ion soak |
N/mm |
≥ 15 N/mm for adhered EIFS ≥ 25 N/mm for mechanically fastened EIFS |
30.6 |
37.3 |
Elongation at break |
Initial |
% |
Report value |
3.3 |
4.1 |
after 28-day, 3-ion soak |
2.8 |
3.8 |
Property | Requirement |
Result |
||
---|---|---|---|---|
Impact resistance |
10 joules |
Sto BTS® Plus |
6/10 free-fall drops must show no perforation (broken mesh) |
Pass |
3 joules |
6/10 free-fall drops must show no cracks |
Pass |
||
10 joules |
Sto Primer/Adhesive |
6/10 free-fall drops must show no perforation (broken mesh) |
Pass |
|
3 joules |
6/10 free-fall drops must show no cracks |
Pass |
||
10 joules |
Sto Primer/Adhesive B |
6/10 free-fall drops must show no perforation (broken mesh) |
Pass |
|
|
3 joules |
6/10 free-fall drops must show no cracks |
Pass |
Reference Wind Pressure (kPa) | Sustained |
Cycling |
Gust |
Deflection Test |
|||||
---|---|---|---|---|---|---|---|---|---|
P1, P1'(Pa) |
P2, P2' (Pa) |
P3, P3' (Pa) |
Test Pressure (Pa) 3.3 P1, P1' |
Measured Maximum Net Mid-span Deflections (mm) |
|||||
Stud Span 3 050 mm |
Sheathing Span 406 mm |
||||||||
Q50 ≤ 0.45 |
±450 |
Pass |
±660 |
Pass |
±980 |
Pass |
+980 |
5.49 |
1.76 |
−980 |
-5.59 |
-2.35 |
|||||||
Q50 ≤ 0.55 |
±550 |
Pass |
±800 |
Pass |
±1 200 |
Pass |
+1 200 |
6.72 |
2.16 |
−1 200 |
-6.84 |
-2.88 |
|||||||
Q50 ≤ 0.60 |
±650 |
Pass |
±950 |
Pass |
±1 410 |
Pass |
+1 410 |
7.90 |
2.54 |
−1 410 |
-8.04 |
-3.38 |
|||||||
Q50 ≤ 0.75 |
±750 |
Pass |
±1 090 |
Pass |
±1 630 |
Pass |
+1 630 |
9.13 |
2.93 |
−1 630 |
-9.29 |
-3.91 |
|||||||
Q50 ≤ 0.85 |
±850 |
Pass |
±1240 |
Pass |
±1850 |
Pass |
+1 850 |
10.36 |
3.33 |
−1 850 |
-10.55 |
-4.44 |
|||||||
Q50 ≤ 1.00 |
±1000 |
Pass |
±1460 |
Pass |
±2180 |
Pass |
+2 180 |
12.21 |
3.92 |
−2 180 |
-12.43 |
-5.23 |
|||||||
Maximum test pressure @ L/180 deflection |
+3 073 |
16.90 |
- |
||||||
−2 990 |
-16.90 |
- |
|||||||
Ultimate structural test pressure |
+3 640 |
Passed |
|||||||
-3 390 |
Sheathing separation from steel studs occurred |
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Joint Width |
||||
2 mm |
4 mm |
|||
Joint disruption resistance |
– |
The WRB at joints on two assemblies must show no cracking, delaminating or any other deleterious effects at a transverse bending of L/180Footnote (1) |
Pass |
|
Joint extension @ L/170Footnote (1) |
mm |
Report value |
0.51 |
0.73 |
Property |
Unit |
Requirement |
Sample No. |
Result |
---|---|---|---|---|
Joint relaxation resistance |
kg/m2·s |
Five WRB-coated OSB specimens subjected to 1.3-mm extension following exposure to 15 24-h environmental cycles must have a maximum average water transmission rate of 2 × 10−7 kg/m2·s |
1 |
1.14 × 10−7 |
2 |
8.55 × 10−8 |
|||
3 |
9.29 × 10−8 |
|||
Average |
9.74 × 10−8 |
Property |
Unit |
Requirement |
Sample No. |
Result |
---|---|---|---|---|
WTR |
kg/m2·s |
Five WRB-coated OSB specimens subjected to a 25-mm head of water must have a maximum average WTR rate of 2 × 10−7 kg/m2·s measured at 10 days |
1 |
|
2 |
1.87 × 10−7 |
|||
3 |
9.97 × 10−8 |
|||
4 |
3.25 × 10−8 |
|||
5 |
1.64 × 10−7 |
|||
Average |
1.21 × 10−7 |
Property |
Unit |
Requirement |
Sample No. |
Result |
---|---|---|---|---|
WTR |
kg/m2·s |
Five WRB-coated plywood specimens subjected to a 25-mm head of water must have a maximum average WTR rate of 2 × 10−7 kg/m2·s measured at 10 days |
1 |
|
2 |
5.64 × 10−7 |
|||
3 |
2.27 × 10−8 |
|||
4 |
1.80 × 10−8 |
|||
5 |
1.11 × 10−7 |
|||
Average |
1.79 × 10−7 |
Property |
Unit |
Requirement |
Sample No. |
ResultFootnote (1) |
||
---|---|---|---|---|---|---|
Uncoated |
Coated with StoGuard® |
|||||
WVT |
OSB |
ng/Pa·s·m2 |
Report WVT rate of plywood and OSB coated with a WRB and of uncoated plywood and OSB |
1 |
84.44 |
49.44 |
2 |
111.25 |
44.84 |
||||
3 |
86.74 |
44.30 |
||||
Average |
94.14 |
47.86 |
||||
Plywood |
1 |
235.21 |
137.73 |
|||
2 |
214.22 |
128.73 |
||||
3 |
226.96 |
122.48 |
||||
Average |
225.47 |
129.65 |
Property | Requirement |
Sample No. |
Result |
|
---|---|---|---|---|
Accelerated weathering resistance |
"Sto Gold Coat®" |
The WRB applied over OSB must show no cracking, delamination or flaking, or any deleterious effects following 250 hours exposure to Xenon arc |
1 |
Pass |
2 |
Pass |
|||
3 |
Pass |
|||
4 |
Pass |
|||
5 |
Pass |
|||
6 |
Pass |
Property |
Requirement |
Result |
|||
---|---|---|---|---|---|
Retained Water Per Unit Area (g/m2) |
Drainage Capacity (%) After 1 h |
||||
After 1 h |
After 48 h |
||||
Drainage capacity |
Panel 1Footnote (1) |
The water retained in the unit following 48 hours of drying must not be greater than 15 g/m2 for any single test specimen. |
38.2 29.4 |
0.00 0.00 |
99.5 |
Panel 2Footnote (1) |
The water retained in the unit following 48 hours of drying must not be greater than 15 g/m2 for any single test specimen. |
35.4 27.2 |
0.00 0.00 |
99.6 |
|
Panel 3Footnote (1) |
The drainage capacity must not be less than 98% of the water mass delivered into the EIFS wall specimen. |
31.8 24.5 |
0.00 0.00 |
99.6 |
Property |
Requirement |
Sample No. |
Result |
---|---|---|---|
Nail popping resistance |
There must be no cracking or delamination of the WRB following 1-mm nail protrusion from the nail’s original preset of 1 mm below the surface of the OSB substrate |
1 |
Pass |
2 |
Pass |
||
3 |
Pass |
||
4 |
Pass |
||
5 |
Pass |
||
6 |
Pass |