Ballasted Flat Roof

The easiest way to use flat roofs for photovoltaic systems.

Ballasted flat roof. A number of attachment and ballast options are available depending on the planned system and the conditions on site. Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures. Holes mean roof leaks and roof leaks mean call the roofer. This means that if you use a ballasted rack heavy ballast usually concrete blocks is placed on the rack to hold it down.

The gravel in a ballasted roof helps absorb heat preventing the sun from heating the roof materials below and making the roof more energy efficient. Ballasted flat roofs are a popular choice especially for commercial buildings. Fixing and installation options. Ballast is weight used to stabilize something in this case it s weight used to hold the racking system in place.

Extremely difficult to find a leak in this system since the membrane is well hidden. In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel. Additional benefits of ballast on a flat roof. The primary concern for sarnafil is ensuring that the roof design meets all the aesthetic requirements whilst providing waterproofing for the roof.

Ballast stone traps a lot of dirt making patching difficult. Simply put a ballasted roof is easy to install and basically guaranteed maintenance work for a roofer. A flat roof is a roof which is almost level in contrast to the many types of sloped roofs the slope of a roof is properly known as its pitch and flat roofs have up to approximately 10. Ballasted roofs can be living green roofs brown roofs paved stone or indeed a combination.

Ballasted roof systems are simultaneously a roofer s best friend and arch nemesis. It is however ballasted generally with gravel. A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material. The s flex roof frame with ballast is the simple and proven solution for non penetrative green roof compatible flat roof installations.

Somebody walking on the roof will undoubtedly step on the ballast and put a hole in the membrane. Ballasted roofs have become more popular as designers and users look to utilise the roof space. When the concept first came to the u s plenty of roofers scratched their heads and wondered how the roof stayed on without being anchored especially during high winds or storms. A ballasted system adds additional weight to anchor the array to the roof whereas mechanical methods cover two key practises either they penetrate the roof covering and are fixed to the deck or they do not and leave the waterproofing system intact.

Another type of solar racking system for flat roofs are ballasted racks. Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof flat roofs or low slope roofs are also commonly found on commercial. Roofs with pavers as ballast can be used as outdoor patios.