On many flat roof low slope commercial buildings it s common to see gravel on top of the roof.
Reflective roof chippings.
Solar protection is often achieved by the application of white reflective chippings usually limestone or light coloured spar not less than 12 5mm.
Added 1st september 2010.
Solar reflective a wide selection of angular decorative chippings or rounded pebbles are available in a selection of sizes for use as a decorative finish on flat roofing.
Products are available for most roof types.
Our specialized flat roof aggregates can help to protect flat roofing membranes from ultra violet rays of the sun which cause deterioration and provide a protective layer for light traffic.
Lighter coloured products offer natural light reflecting properties which provide a degree of protection from sun damage.
Pictures of the job are available here.
Have you ever wondered why contractors install gravel on flat roofs.
Solar protection is often achieved by the application of white reflective chippings usually limestone or polar white marble not less than 12 5mm.
These are very effective at providing protection from ultra violet light and reducing the surface temperature in hot weather.
Anyone with personal problems that get in the way of work and habitually become your clients problem need not apply.
Gravel is used on flat roofs for two reasons.
Need solar reflective chippings for 37sqm of roof and remedial work on a section of garage roof which includes waterproofing the edges.
The purpose of gravel on a flat roof.
To protect the underlying layer of roofing materials as is the case with built up roofs burs.
Infrared radiation is a spectrum of light that generates significant amounts of heat on roof surfaces.
Coatings are like very thick paints that can protect the roof surface from ultra violet uv light and chemical damage and some offer water protection and restorative features.
Solar reflective paint is replacing the familiar limestone or granite chipping s method of reflecting heat from a bitumen flat roof whether the flat roof is composed of felt high build bitumen coating or a polymer coating.