Is an efficient, safe, and versatile flat glass rooflight that can be relied upon. Flat Roof Skylight. Artificial Grass >>. View Basket. Thermal Performance - Standard centre pane U-value of 1.1 W/m2K.
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Actuators have a locking force of 4kN and can only be operated from inside. Brett Martin Flat Glass rooflights are manufactured to ISO 9001 industry standards. The double glazed glass panel is made up of: 6mm toughened outer, a 90% argon filled cavity, with a laminated inner (including PVB interlayer).
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Brett Martin Flat Glass Rooflights are manufactured to ISO 9001 industry standards. Glazing - Double with 7.5mm laminated inner pane.
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