Integrated 21 x 41mm Galvanised Strut These feet support small pipework and runs of cable tray, and can also be used to mount air conditioning units, air source heat pumps and a variety of outdoor equipment. They can also be used to support both solar thermal and solar photovoltaic on flat roof installations. No penetration through the roofing system by mechanical fixing, as they only sit under their own weight on the finished surface. Light, portable and as they are manufactured from rubber crumb, therefor no risk of damaging the roofing membrane, as is often the case with conventional concrete paving slabs “ the old traditional method of a supporting building services. We supply building services support systems to mechanical, electrical and roofing contractors alike. They are positioned upon new, refurbished or existing flat roofs.