Test results highlighting the minimum classifications necessary to ensure reliable non-fragility ratings for properly installed GRP rooflights are published in the document.
The units work to remove high levels of dust, fumes and particulate from the air using thousands of electro-statically charged, fine polypropylene hairs.
The second win will involve Stannah replacing 20 existing lift cars with new, energy saving equipment, alongside 29 replacements of lift doors on landings and lift cars.
The company was employed by building services engineers Troup Bywaters to provide a natural ventilation solution with the potential to significantly reduce running expenses.
The silent intermittent bathroom and toilet fan operates at just 16dB(A), and currently has the lowest sound rating on the market due to its quiet motor and impeller design.
The range helps in avoiding the risk of outer skin delamination during installation and has already been specified for use in projects in Southern England.