Specially designed to deliver great insulation, vapour control, and fire resistance for up to 30 minutes on timber constructions, this 53mm Gyproc ThermaLine PIR Insulated plasterboard creates an energy-efficient and safe living space. Including a rigid WallBoard bonded to a P... Read More
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Specially designed to deliver great insulation, vapour control, and fire resistance for up to 30 minutes on timber constructions, this 53mm Gyproc ThermaLine PIR Insulated plasterboard creates an energy-efficient and safe living space.
Including a rigid WallBoard bonded to a PIR foam insulant, it features a double control vapour layer as well as an ODP value and GWP value of less than five. As a result, this highly efficient plasterboard is an environmentally friendly option.
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Question:
Is this a suitable product for a flat roof on an existing house to replace the plaster board ceiling. The joists are 225 deep and there is an existing 25 layer of insulation quilt laid over the top of the joists but nothing else in the space between the joists. There is no ventilation in the roof space.
Answer:
The Gyproc Thermaline PIR Insulated Plasterboard could be a suitable option for your flat roof, considering its insulation and vapour control properties, as well as its fire resistance. It's designed for application on ceilings, walls, and roofs, which suggests it could be used in the scenario you've described. However, it's important to note that the board has a thickness of 53mm, and your joists are 225mm deep with an existing 25mm layer of insulation quilt. Therefore, this product alone will not fill the entire depth of your joists. It's also worth noting that the product should be installed in accordance with the manufacturer's instructions. This includes making any necessary cuts for socket boxes or switches prior to fixing the board onto the wall. If you have further doubts about this product's suitability for your specific project, you might want to consult a local builder or architect, or speak with our technical team who can provide more in-depth advice.
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