14104 ORANGE AVENUE, PARAMOUNT, CALIFORNIA TELEPHONE (562) FAX (562) Website: AQLramtech.

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1 14104 ORANGE AVENUE, PARAMOUNT, CALIFORNIA TELEPHONE (562) FAX (562) Website: AQLramtech.com TEST REPORT LABORATORY NUMBER: EVALUATION OF: PLYCEM Fiber-Cement Panels (25mm) (Structural Flooring AC-367 & PS-2) PREPARED FOR: The Plycem Company, Inc. Costa Rica APPROVED BY: STEVEN BERGGREN LABORATORY ADMINISTRATOR DATE ISSUED: May 22, 2017 Page 1 of 100 Ramtech Laboratories Reports are for the exclusive use of the client to whom they are addressed. Permission is granted to reproduce this Report provided it is reproduced entirely. The use of the name Ramtech Laboratories in any advertising or related materials must have prior written approval. Reports apply only to samples tested and are not necessarily indicative of the quality of apparently identical or similar products. Ramtech Laboratories is a recognized ing Laboratory with the ICC Evaluation Service, Inc. (TL-167)

2 RAMTECH LABORATORIES TABLE OF CONTENTS COVER PAGE Page A title (e.g. Report ) 1 The name of the laboratory 1 The address of the laboratory 1 The location where the tests were carried out 1 The unique identification of the test report 1 The name of the client 1 The name of the person authorizing the test report 1 The signature of the person authorizing the test report 1 A statement to the effect that the results relate only to the items tested 1 BODY OF REPORT INTRODUCTION & SUMMARY OF RESULTS 3 1 The identification of the test method used 4 2 A description of the items tested 4 3 Unambiguous identification of the items tested 4 4 The date of sampling 4 5 Unambiguous identification of the product sampled 4 6 The location of sampling 4 7 A reference to the sampling plan and procedure 4 8 Details of the environmental conditions during sampling 4 9 The date of receipt of the test items 4 10 The date of performance of the test 4 11 Clarification of any deviations, additions and exclusions from the test method 4 TEST DATA A. Flexural Strength 5 B. Density 6 C. Dimensional Measurements 6 D. Moisture Movement 7 E. Dimensional Stability 7 F. Moisture Content 8 G. Water Tightness 8 H. Warm Water Resistance 8 I. Surface Burning 9 J. Shear Bond 9 K. Nail Head Pull-Thru 10 L. Mold Resistance 10 M. Concentrated Static & Impact Load 11 N. Uniform Transverse Load 12 O. Fastener Holding 13 P. Non-Combustible Construction 14 Appendix 1. Report --- Progressive Engineering Uniform Load 2. Report --- Progressive Engineering Concentrated & Impact Load 3. Report --- QAI Laboratories Surface Burning 4. Raw Data---Dimensional Stability 5. Fastener Holding Data Page 2 of 100

3 BODY OF REPORT INTRODUCTION The purpose of this Report is to present Evidence of General Compliance to AC-367, and PS-2 for the 25mm Fiber-cement Panel identified under the product name Plycem and to present Performance-ing when the product is installed on to structural supports spaced at 16 & 24 inches on center Summary of Results: Name Method Flexural Strength (Wet) Flexural Strength (Dry) Flexural Strength (Wet/Dry Ratio) Condition of Acceptance Results Comments 580 psi (Minimum) 656 psi 580 psi (Minimum) 1158 psi Density Length (Nominal) 7. Width (Nominal) Dimensional Thickness Dimensional Squareness Edge Straightness Moisture Movement Dimensional Stability Linear Expansion Moisture Content Water Tightness Warm Water Resistance Surface Burning Shear Bond Dry Set, Latex & Organic Nail Head Pull Thru Mold Resistance Concentrated Static Impact Load Uniform Load Fastener Holding Wet / Dry Wet/Dry Ratio > 50% Ratio = 57% Manufacturer s Stated 65.5 lbs/ft 3 (+/- 9.5) 65 lbs/ft 3 Manufacturer s Stated 96 inches 144 inches (+/- 0.5%) +/- 0.12% Manufacturer s Stated inches inches (+/- 0.5%) (+/- 0.09%) Manufacturer s Stated inch (+/- 0.06) inch (+/ ) in/ft in/ft in/ft in/ft PS-2 {Section (a)} Manufacturer s Stated in/ft 0.50% Maximum Manufacturer s Stated 2% to 10% No Dripping Water Manufacturer s Stated > 80% Flame Index = 0 Smoke Index 5 50 psi (min) in/ft (MD) in/ft (CD) 0.21% 0.24% 5.4% No Dripping Water 84% Flame Index = 0 Smoke Index = 0 Dry Set = 57 psi Latex = 69 psi Organic = 67 psi Greater Than 90 lbf (Saturated) 794 lbf Mold Growth Less Than 1 Mold Growth Less Than 1 AC-367 Greater Than 400 lbs Greater Than 400 lbs AC-367 AC-367 Combustibility ASTM E-136 Uniform load > 100 psf Deflection < L / 360 Lateral > 210 Pull-Thru > 200 Withdrawal > 200 No Flame After 10 Sec. 50% Weight Loss Temp. Difference 54F Uniform Load 25 mm > 100 psf Deflection < L / 360 Ave. Lateral = 396 lbf Ave. Pull-Thru = 848 lbf Ave. Withdrawal = 212 No Flame After 10 Sec. 50% Weight Loss < 50F Temp. Difference Page 3 of 100

4 BODY of REPORT 1 The identification of the test method used: 1.1 This testing program was conducted in general accordance with the following: AC-367 Fiber-Reinforced Cement Sheet Structural Flooring Specification for Discrete Non-Asbestos Fiber-Cement Interior Substrates PS-2 Performance Standard for Wood-Based Structural-Use Panels Discrete Non-Asbestos Fiber-Cement Interior Substrate Sheets ASTM E-136 Non-Combustibility ASTM E-84 Surface Burning AC-367 Uniform Load AC-367 Concentrated & Impact Load 2 A description of the items tested: 2.1 The item tested is described as a noncombustible product manufactured from cellulosic fiber-reinforced cement into sheets manufactured under the product name Plycem having the following physical attributes: Thickness: 0.98 inches (25 mm) Width: 48 inches Length: 96 inches Density: 65 lbs per cubic foot 3 Unambiguous identification of the items tested: 3.1 The tested samples were identified by Ramtech Laboratories as matching the description provided in Section 2 of this report 4 The date of sampling: 4.1 The material was independently sampled by Ramtech Laboratories as follows: Product for physical properties (ASTM C-1185) in September Product for performance testing (Load & Fire) in August 2012 Thru February Unambiguous identification of the product sampled: 5.1 Ramtech Laboratories identified the product as matching the description provided in Section 2 of this report 6 The location of sampling: 6.1 Ramtech Laboratories independently sampled the material from a production run at the manufacturing facility in Costa Rica 7 A reference to the sampling plan and procedure: 7.1 Ramtech Laboratories sampled the material in general accordance with Mil-Std 105 using inspection level 2. 8 Details of the environmental conditions during sampling: 8.1 Ramtech Laboratories provides the following details: Temperature: 75 to 85 degrees F Humidity: 40% to 80% 9 The date of receipt of the test items: 9.1 Ramtech Laboratories received the test specimens as follows: Shipment received in November Shipment received in August The date of performance of the test: 10.1 ing was conducted as follows Product for physical properties (ASTM C-1185) in January thru September Product for performance testing (Load & Fire) in thru February Clarification of any deviations, additions and exclusions from the test method: 11.1 Ramtech Laboratories tested the submitted samples in general accordance with the prescribed test methods Page 4of 100

5 A. Flexural Strength: A1 A2 A3 RAMTECH LABORATORIES The purpose of this test was to establish the Type and Grade of the client s Fiber-Cement product identified under the product name Plycem as prescribed in ASTM C-1186: Procedure: A2.1 This test was conducted in general accordance with ASTM C-1185 (Section 5) with the specimens prepared in both the Machine and Cross directions and tested in both the Wet and Equilibrium condition. A2.2 The average flexural strength was determined as the arithmetic mean value obtained from the Machine and Cross directions. A2.3 The ratio of the Wet to Equilibrium condition was taken from the mean values as described in A2.2 above. Reporting requirements of ASTM C-1185: The flexural strength was calculated in accordance with the following equation: Specimen Condition Where: R = Flexural strength P = Maximum load L = Length of span b = Width of specimen d = Average thickness Specimen ed Direction Span Length (L) (Inches) R = 3PL / 2bd 2 Specimen Width (C) (Inches) Specimen Thickness (d) (Inches) Maximum Load (P) (lbs) Flexural Strength (R) (psi) Wet MD Wet CD Equilibrium MD Equilibrium CD Notes: 1. Average Wet Flexural Strength = (R MD + R CD )/2 = ( )/2 = 656 psi 2. Average Conditioned Flexural Strength = (R MD + R CD )/2 = ( )/2 = 1158 psi 3. Ratio of Wet to Conditioned = 656/1158 = 57% A4 A4.1 Average Wet Flexural Strength = 656 psi A4.2 Average Conditioned Flexural Strength = 1158 psi A4.3 Ratio of Wet to Conditioned = 57% A4.4 Type A A4.5 Grade 1 Page 5 of 100

6 B Density: B1 B2 RAMTECH LABORATORIES General Procedure: B1.1 The Density was conducted on test specimens measuring approximately 6 inches wide and 12 inches long cut from six (6) full panels as describes in Section 2 of this report. B1.2 Ramtech prepared these cut specimens and tested in general accordance with ASTM C1185 with the volume of the test specimen determined by the Water Displacement Method after a 2 hour boil as described in Note 5 of the standard. B1.3 The mass of the test specimen was determine by drying out the specimens in an oven at 194 +/- 4 degrees F until the difference between two consecutive weighing (at intervals not less than two hours) was less than 0.1% by mass. B1.4 Density = Wd/V where: Wd = dry mass of the specimen V = Volume of the specimen Reporting requirements of ASTM C-1185 for Plycem: Weigth Weigth Weigth Weigth Weigth Weigth Weigth Weigth Volume Density ID Received Received Saturated (Ws) Saturated (Ws) Saturated (Wi) Saturated (Wi) Dry (Wd) Dry (Wd) V = Ws-Wi Wd / V ( grams ) ( lbs ) ( grams ) ( lbs ) ( grams ) ( lbs ) ( grams ) ( lbs ) (in 3 ) lbs/ft C Dimensions and Tolerances: C1 AVE General Procedure: C1.1 The Dimensions and Tolerance test was conducted in general accordance with ASTM C-1186 (Section 7). In this test the following attributes were evaluated on the products: C1.1.1 Length: 96 inches (Nominal) C1.1.2 Width: 48 inches (Nominal) C1.1.3 Thickness: 25mm (Nominal) C1.1.4 T & G Notch Page 6 of 100

7 C2 Results Dimensional (Continued): C2.1 The results of the Dimensions and Tolerance test are summarized below along with detailed results presented in the appendix. Condition of Acceptance Results Length +/- 0.5% +/- 0.12% Width +/- 0.5% +/- 0.09% Thickness +/ inches +/ in. Squareness in./ft in./ft Edge Straightness in./ft in./ft D. Moisture Movement: E D1 D2 General Procedure: D1.1 The Moisture Movement test was conducted on the product in general accordance with ASTM C-1186 (Section S2) where the linear variation with change in moisture content was based on a relative humidity change from 30 to 90% as outlined in ASTM C-1185 Reporting requirements of ASTM C-1185: D1.1 The linear change in moisture content as a percentage change in length based on the length at relative humidity change of 30 to 90 was calculated as follows: Linear change, % = [(L) at 90% - (L) at 30% X 100] [(L) at 30%] Where: L = Length Dimensional Stability: E1 E2 Sample ID Delta (L) 30 to 90% (Inches) Delta (%) 1 MD % 2 CD % General Procedure: E1.1 In general accordance with PS-2, ten (10) test specimens prepared in both the Machine (MD) and Cross (CD) directions were pre-conditioned with oven-drying (Procedure A) until Constant-Weight at 217 F for 24 hours E1.2 After pre-conditioning, Ramtech followed the procedure as described in PS-2 (Section 7.8)and outlined below: E1.2.1 Specimens placed into a Flattening-Jig to remove distortions E1.2.2 Specimens measured to the nearest mm E1.2.3 Specimens placed into a pressure chamber E1.2.4 Pressure chamber flooded with water E1.2.5 Pressure chamber subjected to a Vacuum of 91 kpa for one (1) hour E1.2.6 Pressure chamber then subjected to a Pressure of 690 kpa for two (2) hours E1.2.7 Specimens removed from chamber and measured to the nearest mm Results: E2.1 The Average Dimensional Stability as a percentage change in length based on the length at Oven- Dry to Saturated was calculated as follows: (See Appendix Linear change (Delta), % = (Lw) - (Ld) x 100 (Ld) Sample ID Delta (%) 1 MD 0.21% 2 CD 0.24% Where: Lw = Length Wet & Ld = Length Dry Page 7 of 100

8 F Moisture Content: F1 F2 RAMTECH LABORATORIES General Procedure: F1.1 The Moisture Content test was conducted on the product in general accordance with ASTM C-1186 (Section S4) where the product was conditioned at 50 +/- 5% relative humidity and a temperature of 73 +/- 4 degrees F. Reporting requirements of ASTM C-1185: F2.1 The Moisture Content was calculated as follows: Where: M = Moisture content W = Initial mass F = Final mass when oven dried Sample Mass (W) G. Water Tightness: G1 G2 M = 100 [(W - F)/F] Mass (F) ID (grams) (grams) Average 5.4 Moisture Content (M) (%) G1.1 The Water Tightness test was conducted on the product in general accordance with ASTM C-1186 (Section S5) where the purpose of the test was to determine the serviceability of the product when subjected to a two inch water head for a period of 24 hours. Reporting requirements of ASTM C-1185: G1.2 When the test specimens were examined with the unaided eye after 24 hours of exposure, no formations of drops of water were noted on the underside of the product. H. Warm Water Resistance: H1 H2 H1.1 The Warm-Water Resistance test was conducted on the product in general accordance with ASTM C-1186 (Section S8) where the product was subjected to 56 days of warm water saturated with an excess of lime and maintained at 140 +/- 4 degrees F as described in ASTM C Reporting requirements of ASTM C-1185: H2.1 At the conclusion of the 56 days of warm water exposure, the specimens were examined with the unaided eye with the following observations documented: H2.1.1 Cracks: None H2.1.2 Delamination: None H2.2 With the visual examination completed, Ramtech then saturated the Exposed and Control specimens and proceded to test for Flexural Strength. The results of the flexural strength test were as follows: H2.2.1 Exposed Specimens (F f ) = 551 psi H2.2.2 Control Specimens (F r ) = 656 psi H2.2.3 Ratio R = F f / F r = 84% Page 8 of 100

9 I. Surface Burning Characteristics: I1 I2 I1.1 The Surface Burning Characteristic test was conducted on the product in general accordance with ASTM C-1186 (Section S6) where Ramtech Laboratories subcontracted to an ISO Accredited laboratory identified as QAI Laboratories. I1.2 For the purpose of this test report, Ramtech has summarized the results below I1.3 The full test report from QAI Laboratories is available in Appendix 3 of this test report Summary of Results: I2.1 Flame Spread = 0 I2.2 Smoke Density = 0 J Shear Bond: J1 J2 J3 General Procedure: J1.1 In accordance with, Ramtech performed the Shear-Bond Strength on the client s 25mm fiber-cement product using the following mortars & procedures: J1.1.1 Dry-Set Portland Cement Mortar--DSPCM (ANSI 118.1) J1.1.2 Latex-Portland Cement Mortar--LPCM (ANSI 118.4) J1.1.3 Organic Adhesive Type 1 OAT1 (ANSI A136.1) Tiles for : J2.1 The tiles used in this test were dry and clean and complied with the water absorption requirements of 13 to 15 percent when test under ASTM C373 having the following dimensional attributes J2.1.1 Length = 4-1/4 inches J2.1.2 Width = 4-1/4 inches J2.1.3 Thickness = 5/16 inches Procedure: J3.1 The testing was performed in general accordance with the above referenced procedures after seven (7) days of curing as described in J3.2 The water ratio used in the above referenced mortars was prepared in accordance with the manufacturers recommended water to powder ratio J3.3 The mortars were applied with a one-quarter-inch square-notched trowel J3.4 The shear test was performed using a loading rate of 2400 pounds per minute so that the mortar was stressed in shear to failure J4 Results: J2.1 The results of this Shear-Bond are outlined below Mortar ID Indicated Load (lbf) Area (in 2 ) Shear Bond (psi) DSPCM in 2 57 psi LPCM in 2 69 psi OAT in 2 67 psi Page 9 of 100

10 K Nail Head Pull-Thru: K1 K2 K3 K1.1 In accordance with, Ramtech performed the Saturated Nail-Head Pull-Thru Resistance on the Plycem 25 mm product in general accordance with ASTM D-1037 using a roofing nail with a in diameter head and a shank diameter of inches Procedure: K2.1 As outlined in ASTM D-1037, Ramtech performed the Saturated Nail Head Pull-Thru as shown in the photo using a loading speed 0.06 in./min with the nail installed before the specimen was saturated as required in the standard Results: K3.1 The results of this test are presented in the table below No. Pull-Thru (N) Pull-Thru (lbf) Average STDEV L Mold Resistance: L1 L2 L3 L4 L5 General Procedure: L1.1 In accordance with, the Mold Resistance was performed on the Plycem product in general accordance with ASTM G-21 Purpose: L2.1 The purpose of this test was as follows: L2.1.1 Determine the effect of fungi on the properties of the client s product L2.1.2 Ensure the client s product does not serve as a carbon source for the growth of fungi Sample Preparation: L3.1 The inoculation of the test specimens was as follows: L3.1.1 Sufficient nutrient-salts agar was poured into a suitable sterile dish to provide a solidified agar layer from 1/8 to 1/4 inch in depth L3.1.2 After the agar is solidified, the client s product was placed on the surface of the agar L3.1.3 Inoculate the surface of the test specimens with the composite spore suspension with a sterilized atomizer at 16 psi Incubation Conditions: L4.1 The test specimens were covered and incubated for 28 days at 85 F and 85% relative humidity Results: L4.1 To the extent tested, the Visible-Effects of this test showed traces of growth less than 10% and can be rated as less than 1 as defined in ASTM G-21 (Section 9.3) Page 10 of 100

11 M. Concentrated Load & Impact Load : M1 M1.1 In accordance with the client s request, Ramtech Laboratories subcontracted the Concentrated Load & Impact Load s to Progressive Engineer Laboratories (See Appendix 2) for the purposed of evaluating a Floor- Ceiling Assembly under the test procedures describes in the ICC Acceptance Criteria (AC-367) and ASTM E- 661 M2 M3 M4 Objective: M2.1 As described in the test procedures, the objective of this testing was to an apply an alternating concentrated static load and impact load on both wet and dry 25 mm thick Plycem product with the intent to demonstrate the products ability to support a concentrated load of 400 lbs after an increasing impact load Concentrated load Procedure: M3.1 A load was applied through a steel disk at an approximate rate of 0.2 inches per minute until the Ultimateload was attained (See Sketch Below) Impact load Procedure: M4.1 A 30 lb leather drop bag was raised at 6-inch intervals (above the impact point) at then released as shown in the sketch below Concentrated Load Impact Load M2 Results: M2.1 The results of the Concentrated Load indicate the Floor-Ceiling Assembly can resist the applied load of 400 lbs as described in the AC-367 before and after the Impact Page 11 of 100

12 N. Uniform Load : N1 N1.1 In accordance with the client s request, Ramtech Laboratories subcontracted the Uniform Load to Progressive Engineering Laboratories for the purposed of evaluating the 25mm Plycem Fiber-cement Panels under the ICC-ES Acceptance Criteria AC-367 (See Appendix 1) N2 Objective: N2.1 The objective of this test was to apply a uniformly distributed load in both a wet and dry condition to the 25mm thick Fiber-cement Panels set on a two (2) span frame spaced 24 o.c. N3 Results: N3.1 The results of the Uniform Load on the 25mm Fiber-cement Panels are summarized below No. 1 Condition Dry Support Spacing (inches) psf (inches) Ultimate Load (psf) Dry Dry Average No. Condition 1 Wet 2 Wet 3 Wet Support Spacing inches) Average 100 psf (inches) Ultimate Load (psf) No Condition Dry Dry Dry Support Spacing (inches) Average 100 psf (inches) Ultimate Load (psf) No. Condition 1 Wet 2 Wet 3 Wet Support Spacing (inches) Average 100 psf (inches) Ultimate Load (psf) Page 12 of 100

13 O Fastener Holding: O1 O1.1 ing was conducted in general accordance with AC-367 and ASTM D-1037 on twenty (20) with the objective to evaluate the following Fastener-Conditions using a fastener as shown in the sketch below O1.1 Lateral Load O1.2 Withdrawal Load O1.3 Pull-Thru Load O2 Procedure Lateral Load: O2.1 ing was conducted on the client s product with the purpose of evaluating the ultimate Lateral- Load when installed in accordance with the manufactures installation instructions at the minimum edge condition of 3/4 inches O3 Procedure Withdrawal Load: O3.1 ing was conducted on the client s product with the purpose of evaluating the ultimate Withdrawal-Load when installed in accordance with the manufactures installation instructions at the minimum edge condition of 3/4 inches O4 Procedure Pull-Thru Load: O4.1 ing was conducted on the client s product with the purpose of evaluating the ultimate Pull-Thru load when installed in accordance with the manufactures installation instructions at the minimum edge condition of 3/4 inches O5 Results A summary of the Fastener Holding is presented below and in Appendix 5 Load Direction Ultimate Load (lbf) Minimum Load (lbf) Average Load (lbf) Lateral Withdrawal Pull-Thru STDEV (lbf) Page 13 of 100

14 P. Non-Combustibility: P1 P2 The Combustibility test was conducted on the product in general accordance with ASTM E-136 where the product was manufactured into cubes that were 1.5 by 1.5 by 2.0. Reporting requirements of ASTM E-136: P2. To the extent tested, the material identified above meets the condition of acceptance as described in ASTM P-136 having the following Combustion Characteristics: P2.1 Weight loss of the specimens less than 50% P2.2 Recorded temperatures (during the test) of the surface and interior thermocouples during the test not exceeding 54 F above the stabilized temperature measured of the furnace P2.3 No flaming from the specimen after the first 30 seconds Page 14 of 100