EVALUATION OF EVO Stone COATING SYSTEM ADHESION STRENGTH IN ACCORDANCE WITH ASTM D

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1 EVALUATION OF EVO Stone COATING SYSTEM ADHESION STRENGTH IN ACCORDANCE WITH ASTM D A Report to: Carter Fabricating Inc. 326 Deerhurst Drive, Brampton, ON L6T 5H9 Attention: Mike Libreiro Telephone: (905) ext. 103 Cell: (905) MLibreiro@carterfabricating.com Proposal No.: , Revision 2 Report No.: P0067-B, Revision 1 4 pages Date: June 25, 2015

2 Evaluation of EVOStone Coating System for Adhesion Strength Page 2 of 4 for Carter Fabricating Inc. Report No P0067-B, Revision INTRODUCTION At the request of Carter fabricating Inc., Exova was retaine d to evaluate EV O Stone coating system for adhesion strength in accordance with ASTM D All samples received were shipped to Exova facility in Mississauga, ON for testing. Upon receipt, the samples were assigned the following Exova Sample Number: Client Sample Description Exova Sample No. EVO STONE COATING - Stucco Coating (6" x 6" 4 pieces & 12" x 12" 3 pieces) P PROCEDURE Testing was performed in accordance with the ASTM test method, described below: Test Description Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers Test Method ASTM D Test Method: ASTM D4541-Type V Equipment: Positester, MII# B11879 Metal Dolly: Exposure: 20 mm ( inch) diameter 23 ± 2 C; 50 ± 5% RH for at least 88 hrs Test Date

Evaluation of EVOStone Coating System for Adhesion Strength Page 3 of 4 for Carter Fabricating Inc. Report No. 15-06-P0067-B, Revision 1 3.

: 15-06-P0067 Specimen No. Conditioning Pull Strength, MPa (psi) Failure Description 1 2.11 (306) 90% substrate, 10% coating 2 2.

3 Evaluation of EVOStone Coating System for Adhesion Strength Page 3 of 4 for Carter Fabricating Inc. Report No P0067-B, Revision RESULTS A summary of results is presented in Table 1. In all cases, SI units are the primary units of measure. Table 1 Pull Adhesion ASTM D Type V Exova Sample No.: P0067 Specimen No. Conditioning Pull Strength, MPa (psi) Failure Description (306) 90% substrate, 10% coating (331) 5% substrate, 95% coating 3 As Received 2.03 (294) 80% substrate, 20% coating (342) 5% substrate, 95% coating (328) 50% substrate, 50% coating Average (320) - Photo 1: Image of failure planes after pull adhesion testing.

4 Evaluation of EVOStone Coating System for Adhesion Strength Page 4 of 4 for Carter Fabricating Inc. Report No P0067-B, Revision REVISION(S) Original Report Imperial units were added to Table 1 and the conclusion. 5.0 CONCLUSION The samples submitted by Carter Fabricating Inc., identified as EVO Stone Coating System has been tested for adhesion strength in accordance with ASTM D4541, as de scribed in this report. The average pull-off strength was measured to be 2.21 MPa (320 psi). Reported by: Approved by: Rubaiyat Khondker, P.Eng., Ext Joel Bonneville, EIT, Ext Engineer, Building Performance Centre Supervisor, Building Performance Centre Products Testing Group Products Testing Group This report and service are covered under Exova Canada Inc. s Standard Terms and Conditions of Contract which may be found on the company website or by calling This report refers only to the particular samples, units, material, instrument, or other subject used and referred to in it, and is limited by the tests and/or analyses performed. Similar articles may not be of like quality, and other testing and/or analysis programs might be desirable and might give different results.

5 EVALUATION OF EVO Stone COATING SYSTEM FOR HUMIDITY RESISTANCE IN ACCORDANCE WITH ASTM D A Report to: Carter Fabricating Inc. 326 Deerhurst Drive, Brampton, ON L6T 5H9 Attention: Mike Libreiro Telephone: (905) ext. 103 Cell: (905) MLibreiro@carterfabricating.com Proposal No.: , Revision 2 Report No.: P0067-A 4 pages Date: June 2, 2015

6 Evaluation of EVOStone Coating System for Humidity Resistance Page 2 of 4 for Carter Fabricating Inc. Report No P0067-A 1.0 INTRODUCTION At the request of Carter fabricating Inc., Exova was retained to evaluate EVO Stone coating system for humidity resistance in accordance with ASTM D All samples received were shipped to Exova facility in Mississauga, ON for testing. Upon receipt, the samples were assigned the following Exova Sample Number: Client Sample Description Exova Sample No. EVO STONE COATING - Stucco Coating (6" x 6" 4 pieces & 12" x 12" 3 pieces) P PROCEDURE Testing was performed and evaluated in accordance with the ASTM test methods described below: Test Description Standard Practice for Resistance of Cured Coatings to Thermal Cycling Standard Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments Test Method ASTM D , Method A ASTM D Specimen Dimensions 150 mm 150 mm 6 mm (nominal) No. of Specimens 3 Exposure Temperature 38 C Air pressure 80 Psi Water temperature 45 C Nozzle angle 45 Measurement Equipment Thermocouple MII# B10864 Humidity MII# B12366 Test Start Date Test End Date

Evaluation of EVOStone Coating System for Humidity Resistance Page 3 of 4 for Carter Fabricating Inc. Report No. 15-06-P0067-A 3.0 RESULTS A summary of results is presented in Table 1.

7 Evaluation of EVOStone Coating System for Humidity Resistance Page 3 of 4 for Carter Fabricating Inc. Report No P0067-A 3.0 RESULTS A summary of results is presented in Table 1. In all cases, SI units are the primary units of measure. Table 1 Physical Properties Summary Exova Sample No.: P0067 Physical Property Requirement Result /Comment Moisture Resistance - 3 panels 14 C,100%RH Visual Observation of the panels before and after exposure and one panel scribed for corrosion creepback as per ASTM D1654 No blistering, lifting or other visible changes. No loss of adhesion /creepback from the scribe Photo 1: Panels after exposure to high humidity Observation: No blistering, lifting or other visible changes. No loss of adhesion /creepback from the scribe.

8 Evaluation of EVOStone Coating System for Humidity Resistance Page 4 of 4 for Carter Fabricating Inc. Report No P0067-A 4.0 CONCLUSION The samples submitted by Carter Fabricating Inc., identified as EVO Stone Coating System has been tested for humidity resistance in accordance with ASTM D , as described in this report. No visible physical damage or changes in appearance were found at the end of the exposure period. Reported by: Approved by: Rubaiyat Khondker, P.Eng., Ext Joel Bonneville, EIT, Ext Engineer, Building Performance Centre Supervisor, Building Performance Centre Products Testing Group Products Testing Group This report and service are covered under Exova Canada Inc. s Standard Terms and Conditions of Contract which may be found on the company website or by calling This report refers only to the particular samples, units, material, instrument, or other subject used and referred to in it, and is limited by the tests and/or analyses performed. Similar articles may not be of like quality, and other testing and/or analysis programs might be desirable and might give different results.

9 EVALUATION OF EVO Stone COATING SYSTEM FOR IMPACT RESISTANCE IN ACCORDANCE WITH ASTM D2794 A Report to: Carter Fabricating Inc. 326 Deerhurst Drive, Brampton, ON L6T 5H9 Attention: Mike Libreiro Telephone: (905) ext. 103 Cell: (905) MLibreiro@carterfabricating.com Proposal No.: , Revision 2 Report No.: P0067-C, Revision 1 4 pages Date: June 25, 2015

10 Evaluation of EVOStone Coating System for Impact Resistance Page 2 of 4 for Carter Fabricating Inc. Report No P0067-C, Revision INTRODUCTION At the request of Carter fabricating Inc., Exova was retained to evaluate EVO Stone coating system for impact resistance in accordance with ASTM D All samples received were shipped to Exova facility in Mississauga, ON for testing. Upon receipt, the samples were assigned the following Exova Sample Number: Client Sample Description Exova Sample No. EVO STONE COATING - Stucco Coating (6" x 6" 4 pieces & 12" x 12" 3 pieces) P PROCEDURE Testing was performed in accordance with the ASTM test method, described below: Test Description Standard Test Methods for Resistance of the Organic Coatings to the Effects of Rapid Deformation (Impact) Test Method ASTM D Method: ASTM D Specimen Dimensions: Impact Method: Measurement Equipment: Indenter: Panel Support: Guide Tube: 150 mm 150 mm 5 mm (nominal) Constant mass; variable height Gardener Type Impactor Magnifier 5X MII #B13588 Hemispherical head having a12.7 mm 16.3 mm ID cylindrical hole 25 mm diameter cylindrical rod, wt. 935 g Test Date:

Evaluation of EVOStone Coating System for Impact Resistance Page 3 of 4 for Carter Fabricating Inc. Report No. 15-06-P0067-C, Revision 1 3.0 RESULTS A summary of results is presented in Table 1.

: 15-06-P0067 Mean Impact height, mm (inch) Impact Resistance, J (Foot-Pound) 400 (16) 3.7 (2.7) 150 (6) 1.4 (1.

11 Evaluation of EVOStone Coating System for Impact Resistance Page 3 of 4 for Carter Fabricating Inc. Report No P0067-C, Revision RESULTS A summary of results is presented in Table 1. In all cases, SI units are the primary units of measure. Impact direction Intrusion (Stucco coated side) Extrusion (Metal Panel Side) Table 1 Impact Resistance Exova Sample No.: P0067 Mean Impact height, mm (inch) Impact Resistance, J (Foot-Pound) 400 (16) 3.7 (2.7) 150 (6) 1.4 (1.0) Comments Cracking around indent radius Impact failure centered at impact point Photo 4: Typical failure when struck from back side of plate (extrusion). Image of indent on the back face is also shown for reference. Photo 5: Typical failure when struck from front side of plate (intrusion). Hairline cracks along the outside of the indent which may not be visible in this image quality.

12 Evaluation of EVOStone Coating System for Impact Resistance Page 4 of 4 for Carter Fabricating Inc. Report No P0067-C, Revision REVISION(S) Original Report Imperial units were added to Table 1 and the conclusion. 5.0 CONCLUSION The samples submitted by Carter Fabricating Inc., identified as EVO Stone Coating System has been tested for rapid deformation (impact) resistance in accordance with ASTM D , as described in this report. The average impact resistance of the front of the plate was found to be 3.7 Joules (2.7 ft*lbs). When struck from the back of the plate, the sample had an average impact resistance of 1.4 Joules (1.0 ft*lbs). Reported by: Approved by: Rubaiyat Khondker, P.Eng., Ext Joel Bonneville, EIT, Ext Engineer, Building Performance Centre Supervisor, Building Performance Centre Products Testing Group Products Testing Group This report and service are covered under Exova Canada Inc. s Standard Terms and Conditions of Contract which may be found on the company website or by calling This report refers only to the particular samples, units, material, instrument, or other subject used and referred to in it, and is limited by the tests and/or analyses performed. Similar articles may not be of like quality, and other testing and/or analysis programs might be desirable and might give different results.

13 Solar & Weathering Test Report No: P0091 (Exova Proposal No.: Rv1) December 21, 2015 CLIENT: Carter Fabricating Inc. 326 Deerhurst Drive, Brampton, Ontario, L6T 5H9 1. CONTACT Mike Libreiro, Tel (905) ext. 103, 2. TEST Xenon Arc exposure of coated aluminium composite material 3. SAMPLES Description: Exova ID EVO Stone coated ACM P to 3 (6 x 6 Stucco Stone Coated ACM) 4. SPECIFICATION Material Specification: CCMC TG referencing Test Method: ASTM G Cycle 1 Xenon Arc Filter: Daylight (Borosilicate inner / Borosilicate Outer) Thermometer Type: Black Panel (Open Back, Rack Mounted) Exposure Duration: 2500 hours Start Date: May 12, 2015 End Date: December 21, 2015 Sequence No. 1 Nominal Black Panel Temperature: Irradiance: Cycle Duration: Specimen Spray: Rack Spray: Sequence No. 2 Irradiance: Chamber Air Temperature: Cycle Duration: Specimen Spray: Rack Spray: 63 ± 2.5ºC 0.35 ± 0.02 W/m² at 340 nm 102 minutes Off Off 0.35 ± 0.02 W/m² at 340 nm uncontrolled 18 minutes On Off 5. EQUIPMENT Atlas Ci5000 Xenon Arc Weather-Ometer (Exova MII: A15317) Atlas Ci35A Xenon Arc Weather-Ometer (Exova MII: A13512) Gretag Macbeth ColourEye XTH Spectrophotometer (Exova MII: A13519) BKY MICRO-TRI-Gloss (Exova MII: B12120) 6. PROCEDURE The test specimens described in Section No. 3 were secured within the test chamber and exposed to the conditions described in Section No. 4 in accordance with ASTM G Cycle 1. Instrumental measurements of the specimens were performed at 500 hour intervals, for evidence of gloss and/or colour change.

14 Xenon exposure Page 2 of 3 for Carter Fabricating Inc. Report No P0091 ColourEye XTH Spectrophotometer Display: COLORMETRIC Colour Equation: CIELAB Illuminate: D65 Observer Angle: 10 Area View: Regular Specular: Included BKY MICRO-TRI-Gloss Geometry: 20 /60 /85 7. RESULTS Colour and Gloss results are summarized below in Tables No. 1 and 2. Table No. 1 - Summarized Colour Change Measurements Exova Sample No P0091 Sample Identification P P P Interval (hours) Measured Colour Colour Change from Initial L* a* b* ΔL* Δa* Δb* ΔE* Initial Initial Initial Table No. 2 - Summarized Gloss Change Measurements Exova Sample No P0091 Sample Identification P P P Interval (hours) Measured Gloss Gloss Change from Initial Initial Initial Initial

15 Xenon exposure Page 3 of 3 for Carter Fabricating Inc. Report No P CONCLUSION This letter is to certify that the test described herein was carried out in accordance with the Procedure listed in 6 above, and that all equipment used was in calibration. This report and service are covered under Exova Canada Inc. s. Standard Terms and Conditions of Contract which may be found on our company s website or by calling

16 Xenon exposure for Carter Fabricating Inc. Appendix A Report No P0091 Appendix A Specimen Photographs (1 Page)

Xenon exposure Appendix A, Page 1 of 2 for

17 Xenon exposure Appendix A, Page 1 of 2 for Carter Fabricating Inc. Report No P0091 Figure A1- Specimen No.: P hrs. Exposure Figure A2- Specimen No.: P hrs. Exposure Figure A3- Specimen No.: P hrs. Exposure

18 EVALUATION OF EVO Stone COATING SYSTEM FOR THERMAL CYCLING IN ACCORDANCE WITH ASTM D , Method A A Report to: Carter Fabricating Inc. 326 Deerhurst Drive, Brampton, ON L6T 5H9 Attention: Mike Libreiro Telephone: (905) ext. 103 Cell: (905) MLibreiro@carterfabricating.com Proposal No.: , Revision 2 Report No.: P0067-D 4 pages Date: June 2, 2015

Evaluation of EVOStone Coating System for Thermal Cycling Page 2 of 4 for Carter Fabricating Inc. Report No. 15-06-P0067-D 1.0 INTRODUCTION At the request of Carter fabricating Inc.

19 Evaluation of EVOStone Coating System for Thermal Cycling Page 2 of 4 for Carter Fabricating Inc. Report No P0067-D 1.0 INTRODUCTION At the request of Carter fabricating Inc., Exova was retained to evaluate EVO Stone coating system for thermal cycling resistance in accordance with ASTM D , Method A. All samples received were shipped to Exova facility in Mississauga, ON for testing. Upon receipt, the samples were assigned the following Exova Sample Number: Client Sample Description Exova Sample No. EVO STONE COATING - Stucco Coating (6" x 6" 4 pieces & 12" x 12" 3 pieces) P PROCEDURE Testing was performed and evaluated in accordance with the ASTM test methods described below: Test Description Standard Practice for Resistance of Cured Coatings to Thermal Cycling Standard Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments Test Method ASTM D , Method A ASTM D Specimen Dimensions 150 mm 150 mm 6 mm (nominal) No. of Specimens 3 Thermal Cycling 30 cycles (each cycle consists of 50 C for 4 hours, 4 hours water immersion and 16 hours at -29 C) Air pressure 80 Psi Water temperature 45 C Nozzle angle 45 Measurement Equipment Thermocouple MII# B10864 Water tank, Freezer and Air circulating oven Test Start Date Test End Date

Evaluation of EVOStone Coating System for Thermal Cycling Page 3 of 4 for Carter Fabricating Inc. Report No. 15-06-P0067-D 3.0 RESULTS A summary of results is presented in Table 1.

: 15-06-P0067 Physical Property Requirement Result /Comment Thermal Cycling - 3 panels 30 cycles (each cycle consists of 50 C for 4 hours, 4 hours water immersion and 16 hours at -29 C) Visual

20 Evaluation of EVOStone Coating System for Thermal Cycling Page 3 of 4 for Carter Fabricating Inc. Report No P0067-D 3.0 RESULTS A summary of results is presented in Table 1. In all cases, SI units are the primary units of measure. Table 1 Thermal Cycling Result Summary Exova Sample No.: P0067 Physical Property Requirement Result /Comment Thermal Cycling - 3 panels 30 cycles (each cycle consists of 50 C for 4 hours, 4 hours water immersion and 16 hours at -29 C) Visual Observation of the panels before and after exposure and one panel scribed for corrosion creepback as per ASTM D1654 No blistering, lifting or other visible changes. No loss of adhesion /creepback from the scribe Photo 1: Panels after exposure to Thermal Cycling Observation: No blistering, lifting or other visible changes. No loss of adhesion /creepback from the scribe

21 Evaluation of EVOStone Coating System for Thermal Cycling Page 4 of 4 for Carter Fabricating Inc. Report No P0067-D 4.0 CONCLUSION The samples submitted by Carter Fabricating Inc., identified as EVO Stone Coating System has been tested for thermal cycling resistance in accordance with ASTM D , Method A, as described in this report. No visible physical damage or changes in appearance were found at the end of the exposure period. Reported by: Approved by: Rubaiyat Khondker, P.Eng., Ext Joel Bonneville, EIT, Ext Engineer, Building Performance Centre Supervisor, Building Performance Centre Products Testing Group Products Testing Group This report and service are covered under Exova Canada Inc. s Standard Terms and Conditions of Contract which may be found on the company website or by calling This report refers only to the particular samples, units, material, instrument, or other subject used and referred to in it, and is limited by the tests and/or analyses performed. Similar articles may not be of like quality, and other testing and/or analysis programs might be desirable and might give different results.