TEST REPORT. Fire tests of construction products in compliance with the following standard:

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1 LGAI LGAI Technological Center, S.A. (APPLUS) Campus UAB Ronda de la Font del Carme, s/n E Bellaterra (Barcelona) T F I/F Page 1 Bellaterra: 03 th November, 2017 File: 17/ Part 1 Petitioner s reference: MARIS POLYMERS SA POLYURETANE SYSTEMS Inofita Viotias Thesi Roumani (Greece) TEST REPORT Date at which the sample was received: OBJECT OF THE TEST Fire tests of construction products in compliance with the following standard: - UNE-CEN/TS 1187:2013: Test methods for external fire exposure to roofs (Test 1). 2. PRODUCT CHARACTERISTICS Polyurethane waterproofing membrane has been received with the following indications, according to the technical specifications provided by the petitioner: Single component liquid applied waterproofing membrane. Product trade name: MARISEAL 250 The reproduction of this document is only authorised if it is made in its totality. Electronically signed reports in digital format are considered original documents, as well as its electronic copies. Their printing has no legal validity. This document has 14 pages, of which 9 are annexes. LGAI Technological Center S.A. Inscrita en el registro Mercantil de Barcelona, Tomo , Folio1, Hoja Nº B Inscripción 1ª C.I.F. : A

2 File nº 17/ Part 1 Page 2 The product has two layers: - Layer 1: MARISEAL 250 solvent based, with a consumption of 0.75 kg/m 2 and grey colour. - Layer 2: MARISEAL 250 solvent based, with a consumption of 0.75 kg/m 2 and grey colour. Laboratory prepared the test samples according specifications of the petitioner. Application Method: The product was applied with a brush on calcium silicate boards with a density of 680 kg/m 3 and thickness of 10 mm, it was applied in two layers with consumption of kg/m 2 for layer. Total consumption of final product was 1.5 kg/m 2. Measurements of the deck samples: 1800 x 800 mm. Manufacturer: MARIS POLYMERS SA POLYURETANE SYSTEMS. Address: Inofita Viotias Thesi, Roumani (Greece) 3. CONDITIONING At the time of the test, the sample was in balance with the laboratory environment. 4. SOURCE OF IGNITION The source of ignition used is defined in section of the test guideline. The wood shavings comply with the requirements of sections 4.2 Calibration, and 4.5 conditioning. The humidity content of the wood was determined. The result should range between 8% and 12% in dry weight. In this case, it was 10.9%. 5. SLOPE In accordance with the petitioner s instructions, the test was performed with a 15º slope.

3 File nº 17/ Part 1 Page 3 6. RESULTS 6.1. Zone for measuring and positioning the ignition source: Photo Nº 1 shows the location of the source of ignition, positioned as specified in figure 4 of the test standard and the measuring zone. PHOTO Nº1 Sample nº1 prior to the test Preparation of the samples It was not necessary to protect the edges of the sample. During the testing process, the samples were kept away from air draughts Environmental conditions The tests were conducted in a room bigger than 150 m 3 in volume, and the following environmental conditions: During the tests, the environmental conditions of the laboratory were maintained at temperature of (20±10) ºC. Temperature: 23 ºC Relative Humidity: 51 % 6.4. Records

4 File nº 17/ Part 1 Page 4 FIRE PROPAGATION, EXPRESSED IN TERMS OF THE TIME IN WHICH IT OCCURS Distance of propagation, upwards (seconds) Distance of propagation, downwards (seconds) SAMPLE 1 SAMPLE 2 SAMPLE 3 SAMPLE mm mm mm mm mm mm mm Detachment of material, surface Burnt length, upwards (mm). End of test Burnt length, downwards (mm). End of test Damaged area. End of test (mm 2 ) FIRE PENETRATION, EXPRESSED IN TERMS OF THE TIME IN WHICH IT OCCURS Detachment of material, lower side (seconds) Formed openings (seconds) Penetration of fire (seconds) DAMAGE Propagation without flame (mm) Extension of inner damage, upwards (mm) Extension of inner damage, downwards (mm) Maximum length of burnt material, upwards (mm) Maximum length of burnt material, downwards (mm) Damaged area (mm 2 ) OTHER REMARKS Carbonized inner width (mm) Carbonized outer width (mm) Flame radius (horizontal deck) (mm) FINALIZACIÓN ENSAYO Flame extinction time (s) End of test time (s) (-) does not occur.

5 File nº 17/ Part 1 Page Uncertainty associated to the measurement: Uncertainty associated to the time (in s): ± 1.2 Uncertainty associated to the distance (in mm): ± 2 In accordance with point , the results obtained at 15º could be applied to roofs with slopes of < 20º. The test results correspond to the behaviour of test samples of a product under the testing conditions themselves. They do not intend to be the only evaluation criterion to assess the potential fire hazard involved in the use of the product. The Euro class to which the tested product belongs is defined in Part 2 of the Classification Report. Responsible of the Fire Laboratory LGAI Technological Center S.A. (APPLUS) Responsible of Reaction to Fire LGAI Technological Center S.A. (APPLUS) The results refer exclusively to the samples tested at the time and under the conditions indicated. The uncertainties expressed in this document pertain to the expanded uncertainty, which has been obtained by multiplying the typical measurement uncertainty by the coverage factor k=2 which, for a regular distribution, corresponds to a coverage probability of approximately 95%. Applus+, guarantees that this task has been carried out in compliance with the requirements of our Quality and Sustainability System, and furthermore, that the contractual terms and legal regulations have been complied with. In the framework of our improvement programme, we would appreciate any comments you may deem appropriate. These should be addressed to the manager who signs this document, or to the Quality Director of Applus+, at the following address: satisfaccion.cliente@applus.com

6 File nº 17/ Part 1 Page 6 ANNEX 7. PHOTOGRAPHS

7 File nº 17/ Part 1 Page 7 PHOTO Nº2 Sample nº 1 Sample 1: Start of test

8 File nº 17/ Part 1 Page 8 PHOTO Nº3 Sample nº 1 Sample 1: Appearance of the sample once the test was completed

9 File nº 17/ Part 1 PHOTO Nº4 Sample nº 2 Sample 2: Start of test Page 9

10 File nº 17/ Part 1 Page 10 PHOTO Nº5 Sample nº2 Sample 2: Appearance of the sample once the test was completed

11 File nº 17/ Part 1 PHOTO Nº6 Sample nº3 Sample 3: Start of test Page 11

12 File nº 17/ Part 1 PHOTO Nº7 Sample nº3 Sample 3: Appearance of the sample once the test was completed. Page 12

13 File nº 17/ Part 1 Page 13 PHOTO Nº8 Sample nº4 Sample 4: Start of test

14 File nº 17/ Part 1 Page 14 PHOTO Nº9 Sample nº4 Sample 4: Appearance of the sample once the test was completed.