PRELCO INC. INSULATING GLASS THERMALITE

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1 LEED TECHNICAL DATA SHEET FICHE TECHNIQUE LEED PRELCO INC. About us PRELCO is a North American leader in manufacturing of high performance glazing. The product is principally used for commercial and institutional buildings. With over 60 years of know-how, PRELCO continues to develop and adapt its products by acquiring high tech to go beyond the needs of its customers. Products and services offered PRELCO produces and distributes a wide range of glass product such as, high performance sealed units, spandrels, tempered glass, laminated glass, digital printing, showers enclosures and interior doors and glass partitions. With the knowledge and skills of our employees, we can offer a complete service of technical assistance to architects, designer and contractors in order to assess the feasibility of any glass project. Build on our success and valuation, together we will embody your vision! DESCRIPTION A large amount of windows in a building favours the admission of natural light while preserving the light of sight to the outdoor. A sound reflection is necessary when selecting the glass that will be installed either in curtain wall system, windows or skylights of green buildings, since insulating glass is an essential element of the building envelope. Prelco RDL 94, boul. Cartier Rivière-du-Loup (Quebec) Canada, G5R 2M9 Phone.: Fax: prelco@prelco.ca Web Site: Prelco MTL 3740, rue Dollard-Desjardins Montréal (Quebec) Canada, H1B 5X2 Phone.: Fax: prelco@prelco.ca Web Site: PAGE 1

2 LEED CANADA-NC & CS 2009 A positive impact with LEED Canada-NC & CS 2009 The growing interest for sustainable building design & operations, of which we are part, is embodied in the Leadership in Energy and Environmental Design (LEED ) Green Building Rating Systems in North America. This document explores the potential contribution for the use of PRELCO'S products for a LEED Canada-NC 2009 (New Construction and Major Renovations) and (Core and Shell) project. The CaGBC LEED Canada-NC & CS 2009 Rating Systems has 110 points divided in seven categories for certifying the design and construction of commercial or institutional buildings and high-rise residential buildings of all sizes, both public and private. PRELCO'S products can assist in earning points towards the various LEED rating system certification levels. In some cases, PRELCO'S contribute directly to individual LEED points, but in other cases can only help meet the overall intent. LEED Canada-NC & CS 2009 Summary Table Category Prerequisite Credits Points Potential Contribution LEED Canada-NC LEED Canada-CS SS Sustainable Sites points 0 points WE Water Efficiency points 0 points EA Energy and Atmosphere points 21 points MR Materials and Resources points 2 points EQ Indoor Environmental Quality points 2 points ID Innovation in Design points 5 points RP Regional Priority points 3 points Total Up to 31 points Up to 33 points * It is important to consider that the total amount of possible points reflects the number of achievable points in each credit category. The product by itself cannot achieve this score, as defined above, but is considered as a beneficial element in order to achieve LEED credits. PAGE 2

3 EAp2 Minimum Energy Performance 0 (required) The from PRELCO INC. can contribute to prerequisite EAp2 and to credit EA 1 since it can help achieve a high energy efficiency. Select 1 of the 3 compliance path options described below. Chosen option must also be used for EA Credit 1. Option 1 Whole building simulation: Either Model National Energy Code For Buildings (MNECB) or ASHRAE , Energy Standard for Buildings Except Low-Rise Residential Buildings. ÉNERGY AND ATMOSPHÈRE (ÉA) In comparison with the reference building performance rating, demonstrate a 23% cost improvement in the proposed building performance rating for new buildings or a 19% cost improvement in the proposed building performance rating for major renovations to existing buildings, for the MNECB or 10% cost improvement for new buildings or 5% cost improvement for major renovations to existing buildings for ASHRAE The installation of different types of sealed units in the same building increases or lowers the solar efficiency, depending of the geographic orientation. Also, the use of insulating glass with LoE moderate solar gain on the north and east facades facilitates the provision of passive solar energy. In contrast, the solar control glazing LoE help prevent overheating of high sun exposure premises, such as those to the south and west. A value up to 0.12 U (R-8), the triple glazing meanwhile, contributes greatly to optimize the thermal resistance of the building envelope. Energy table efficiency of : Option 2 Comply with the prescriptive measures of the ASHRAE Advanced Energy Design Guide appropriate to the project scope, for one of the following path: for Small Office Buildings 2004 or for Small Retail Buildings 2006 or for Small Warehouses and SelfStorage Buildings 2008 or for K-12 School Buildings. Option 3 Comply with the prescriptive measures identified in the Advanced BuildingsTM Core Performance Guide developed by the New Buildings Institute. Optimize Energy Performance EA points (NC) 3-21 points (CS) DOUBLE 6 mm clear glass / argon 12.7 mm / 6 mm clear glass (1) LoE Type Tvis% (2) U-Value (3) SHGC (4) solar heat gain - face solar Control - face Tinted LoE - solar Control - face TRIPLE Select 1 of the 3 compliance path options described below. Comply with EA Prerequisite 2 (Minimum Energy Performance). Option 1 Demonstrate a percentage cost improvement in the proposed building performance rating compared with reference building performance rating, according to the chosen path in EA Prerequisite 2. Up to 19 points (NC) or 21 points (CS). MNECB 6 mm clear glass / argon 12.7 mm / 6 mm clear glass (/ argon 12.7 mm / 6 mm clear glass (1) LoE Type U-Value (3) SHGC (4) solar Control - face 2 solar Control - face Tinted LoE - solar Control - face 2 Tinted LoE - solar Control - face ASHRAE One point (1) LEED NC and three (3) points LEED CS for an expected cost reduction of 12% (new buildings) or 8% (existing building renovations). Option 3 Comply with the prescriptive measures identified in the Advanced BuildingsTM Core Performance Guide developed by the New Buildings Institute. For this credit, additionnal points must be obtained with this option (3 points maximum). (2) solar heat gain - face 2 solar heat gain - face 4 One point (1) LEED NC and three (3) points LEED CS for an expected cost reduction of 25% (new buildings) or 21% (existing buildings renovations). Option 2 Comply with the prescriptive measures of the ASHRAE Advanced Energy Design Guide (1 point) appropriate to the project scope, for one of the following path: for Small Office Buildings 2004 or for Small Retail Buildings 2006 or for Small Warehouses and Self-Storage Buildings 2008 or for K-12 School Buildings. Tvis% (1) Data according to LBNL Windows 6.3 (2) Visible light transmission. (3) U-Value in the winter night. (4) Solar heat gain coefficient. PRELCO INC. is able to advise you at the time of selection of the glazing as well as providing all the necessary documentation to credit as part of a LEED project. PAGE 3

4 MR 4 Recycled Content 1-2 points Use materials with recycled content such that the sum of post-consumer recycled content plus 1/2 of the pre-consumer content constitutes at least 10% (1 point) or 20% (2 points) based on cost of the total value of the materials in the project. The recycled content value of a material assembly is determined by weight. The recycled fraction of the assembly is then multiplied by the cost of assembly to determine the recycled content value. The from PRELCO INC. can contribute to this credit. The recycled content percentages will vary depending on the choice of the product s components and the selected suppliers. It's important to specify that some glass industries report that their products are up to 20% recycled content, but it is usually come from internal residues. It this a healthy waste management, not a pre-consumer recycled content, as defined by the Federal Trade Commission. The pre-consumer and post-consumer recycled content of the 'S different components are displayed in the table below: MATÉRIALS AND RESOURCES (MR) Recycled Content COMPONENTS Pre- consumer Post-consumer Aluminium spacer 0% 37% Glass 2% 0% *Some glass can have a contribution of 2% of pre-consumer recycled content. The availability of these glasses will be to confirm with PRELCO INC. PRELCO INC. can rapidly provide specific information on recycled content in a LEED project. MR 5 Regionals Materials Do not contribute Use building materials or products that have been extracted, harvested, recovered and processed within 800 km (500 miles) (2,400 km if shipped by rail or water) of the final manufacturing site. Demonstrate that the final manufacturing site is within 800 km (500 miles) (2,400 km if shipped by rail or water) of the project site for these products. If only a fraction of a product or material is extracted, harvested, recovered, processed and manufactured locally, then only that percentage (by weight) must contribute to the regional value. The minimum percentage of regional materials for each point threshold is 20% (1 point) or 30% (2 points). The from PRELCO INC. cannot contribute to this credit since of its components are extracted, collected, treated and recovered more than 800 km or 2,400 km radius (depending on the transportation mean used). The percentage calculation was performed by considering the requirements of Credit MR 5 and the maximum distance radius (which depends on the means of transportation used). Extraction of components of the glass industry and aluminum sources mainly come from remote regions of Quebec. The origin of the main components and the mean of transportation used must be validated for every project. The final manufacturing site for the INSULATING GLASS THERMALITE from PRELCO INC. is located in Quebec, Rivière-du-Loup (G5R 2M9). PAGE 4 Last update: October 2015

5 Low-Emitting Materials: Adhesives and Sealants IEQ 4.1 Non applicable The credit IEQ 4.1 only applies to adhesives and sealants used onsite and on the interior of the building (inside the vapor barrier). All adhesives and sealants used on the interior of the building (i.e., inboard side of the weatherproofing system and applied on-site) must comply with the following requirements as applicable to the project scope: Adhesives, Sealants and Sealant Primers: South Coast Air Quality Management District (SCAQMD) Rule #1168. Volatile organic compounds (VOC) limits are listed in the table below and correspond to an effective date of July 1, 2005 and rule amendment date of January 7, INDOOR ENVIRONMENTALQUALITY (IEQ) Daylight and Views: Daylight IEQ point PRELCO INC. is able to provide all necessary documentation for this credit as part of a LEED project. Indirect To provide for the building occupants a connection between indoor spaces and the outdoors through the introduction of daylight and views into the regularly occupied areas of the building. Through 1 of the 4 options achieve daylighting in at least 75% of the regularly occupied spaces. Regularly occupied spaces PRELCO INC. pays special attention to ensure minimize VOC products used in the manufacture of INSULATING GLASS THERMALITE. Sealants used in their manufacture are applied at the factory. The credit IEQ 8.1 is linked to transmitted visible light (TVL) and windows per floor ratio (RFP). The design and selection glass thus remain are the major elements that contribute to obtain the credit. PRELCO INC. is able to advise you at the time of selection of glazing as well as providing all the necessary documentation for this credit as part of a LEED project. Points 75% 1 95% performance exemplaire 1 additional point with ID Credit 1 mode 2 Option 1. Simulation Option 2. Prescriptive Option 3. Measurement Option 4. Combination PAGE 5

6 INDOOR ENVIRONMENTAL QUALITY (IEQ) IEQ 8.2 Daylight and Views: Views 1 point Indirect Achieve direct line of sight to the outdoor environment via vision glazing between 0.76 metres and 2.3 metres (30 inches and 90 inches) above the finished floor for building occupants in 90% of all regularly occupied areas. Determine the area with direct line of sight by totalling the regularly occupied floor area that meets the following criteria: In plan view, the area is within sight lines drawn from perimeter vision glazing. In section view, a direct sight line can be drawn from the area to perimeter vision glazing. ID 1 Path 2 Innovation in design 1-3 points PRELCO INC. is able to advise you at the time of conception as well as providing all the necessary documentation for this credit as part of a LEED project. Path 2: Exemplary Performance INNOVATION IN DESIGN (ID) The from PRELCO INC. contributes to obtain this credit since they offer an outside view. The design and selection glass thus remain are the major elements that contribute to obtain the credit. Achieve exemplary performance in an existing LEED 2009 for New Construction and Major Renovations credit that allows exemplary performance as specified in the LEED Reference Guide for Green Building Design & Construction, 2009 Edition. An exemplary performance point may be earned for achieving double the credit requirements and/or achieving the next incremental percentage threshold of an existing credit in LEED. One point is awarded for each exemplary performance achieved. No more than 3 points under ID credit 1 may be earned through PATH 2 Exemplary Performance. According to the project design, note the possibility that the from PRELCO INC. can contribute to strategies for exemplary performance beyond the credit requirements: Indeed, from PRELCO INC. are provided with an excellent combination of features as shown in the table below: Possible Strategies Type of glazing / Applications Reducing the gain or loss of heat transmitted by the windows or curtain walls and reducing energy consumption. Prel-Design-printed glass Prel-Therm-heated sealed unit Prel-Shade-Thermochromic glass Allowing natural light while reducing the solar heat gain. Prel-Design-printed glass Prel-Shade-Thermochromic glass Venilite-Integrated blinds Improve the quality of natural light while controlling sun glare. Prel-Design-printed glass Prel-Shade-Thermochromic glass Venilite-Integrated blinds Reducing the use of cleaning agent Neat-Easy to clean coating Increase the STC rating of the windows which reduces exterior noise. Prel-Lam-Laminated glass PAGE 6

7 Regional Priority 1-3 points /Indirect PR 2 REGIONAL PRIORITY (RP) Up to 3 points for Regional Priority Credit 2 may be proposed for this credit that is intended to allow adding point emphasis to recognize one OR more issues that have additional regional environmental importance. To achieve a Regional Priority credit, the applicant must identify LEED credits which have additional regional environmental importance. Please refer to the «Advantages and Aspects to Consider» section of the Regional Priority credit. For a list of applicable credits, please refer to the CaGBC website under the LEED tools section for the LEED NC 2009 for new construction and major renovations and LEED CS 2009 for core and shell development Rating Systems. A project must achieve the base credit and then propose that credit as a Regional Priority credit. TOTAL Up to 31 possible points (NC) & 33 possible points (CS) THE can contribute up to thirty one (31) possible points for LEED Canada-NC 2009 project & thirty three (33) possible points for LEED Canada-CS 2009 project * It is important to consider that the total amount of possible points reflects the number of achievable points in each credit category. The product by itself cannot achieve this score, as defined above, but is considered as a beneficial element in order to achieve LEED credits. PAGE 7