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Momentive Performance Materials (MPM) has developed a program – called the Project Review Service - for use when considering the utilization of a GE structural silicone product on a commercial project in which a performance warranty is desired upon project completion. This service provides technical advice based on decades of SSG experience and consists of a series of steps taken in advance of construction to assist users and design professionals in the selection and use of GE sealants for a specific glazing design. The process is also used to assess, prior to assembly, sealant adhesion and/or compatibility with project-specific materials according to standardized industry tests or protocols (typically ASTM or ISO standards). The PRS is required for all SSG applications that utilize GE structural silicone and is provided as a free service to prospective users. The main components of the PRS are as follows:
When requested, MPM can review relevant project specifications to identify GE sealant product(s) for consideration in meeting specified criteria and requirements.
Shop drawings of suitable clarity and of sufficient detail showing the overall curtainwall system and relevant SSG details must be submitted along with a completed SSG Project Submittal Form to MPM for review prior to application of structural silicone. MPM will not provide a warranty on projects that have not been reviewed prior to assembly. Upon review MPM will:
Provide comments pertaining to the specific silicone under consideration for the project.
Provide comments as to the suitability of any given design to the specific silicone under consideration for the project.
Verify that the designed adhesive contact widths are adequate for the glass size(s) and design wind load(s).
Verify that the designed adhesive thickness is sufficient to provide the flexibility to perform as intended.
Issue a project review letter confirming such points of review.