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Timber Frame Construction

Passive Sills window sills are designed to work with timber frame construction and are installed in the same way as a traditional concrete sill.

For the majority of timber frame builds our P2 Sill would be ideal – 225mm depth with 25mm upstand. However, we have other sizes available if required.

Our passive window sills have an excellent insulation value. This improves the overall insulation value of a building by reducing the cold bridging at the point where the sill and window meet.

The Passive Sills P2 window sill is approximately 10% of the weight of a traditional concrete or stone sill and reduces the risk of manual handling injuries on site.

Our window sills are available in our hybrid finish, which has a white paint primer coat and is ready to be painted any colour you choose.

Why choose Passive Sills

Complies with all building regulations

Best for thermal efficiency

Super lightweight

Quick and easy to install

Lower carbon footprint

Best for manual handling

Competitive cost when installed

10 year warranty

Dimensions

Timber-Size


Technical Model

Timber-Frame-Wall-with-225mm-Passive-Sill-2019_0823-A


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