Introducing Farmlite GRP rooflights

Marley Ltd are pleased to introduce Farmlite GRP, a range of long lasting, high performance glass reinforced polyester rooflights with anti-yellowing technology.

Developed to withstand challenging agricultural environments, Farmlite GRP incorporates outstanding UV protection and enhanced resin formulation to provide long term clarity and quality light transmission levels, whilst preventing ‘yellowing’ and degradation of the rooflight.


GRP has been the rooflight material of choice in the farming industry for well over half a century, but if an inadequate grade of GRP is installed as a rooflight, its appearance and especially its performance can be compromised quickly by the effects of age and weathering. Inferior performance grades of GRP are unfortunately commonplace in farm buildings as construction costs have been driven down and rooflight quality has suffered as a result. These lower quality rooflights are characterised by the alarming speed by which they deteriorate, suffering rapid surface erosion and advanced yellowing often within months of installation.

Each Farmlite GRP rooflight sheet comes with dual action UV surface protection and specially formulated UV resistant resins as standard, so the long term effects of weathering are greatly reduced and as a result stay clearer for longer than the traditionally used inferior grades of GRP. By maintaining their natural translucency, Farmlite rooflights provide free, quality natural light which is proven to encourage healthier, more disease-resistant livestock and improved conditions for farm workers. And, Farmlite GRP rooflights can also contribute to energy savings by helping reduce the consumption of electric light in the farm building.

As well as improved clarity for longer periods, each sheet is also more resistant to surface erosion and weakening. In terms of composition, Farmlite GRP rooflights are stronger because they contain a glass fibre content of at least 33%. Some recently tested sheet commonly used in the farm buildings sector has been found to have as little as 25% glass fibre.

Available in four sheet sizes, Farmlite is compatible with our Profile 6 range.

Here at Marley Eternit, we are always on hand to offer practical and experienced support. Select an option below or call us on 01283 722588.