Passive Sills

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Stop using Z rated window sills on A rated windows!

Passive Sills provide superior window sills and over sills to the construction and external insulation industries.

All sills from Passive sills are manufactured from high density expanded polystyrene and coated with our Passive Sills polymer resin.

This coating has been laboratory tested. The product certifications are outlined below along with a description of the tests carried out to obtain these certifications.

A Passive Sill can be used as an over sill, which covers an existing window sill or for new window sill installations, for example in a new build.

Foxhole Industrial Estate
Co Cork

Product certifications

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