Overcladding Asbestos Roof

The benefits of asbestos overcladding.

Overcladding asbestos roof. This includes removing asbestos sheets that are already there replacing them with brand new roof sheets. Once fixed into place any of our roofing sheets whether that s box profile corrugated or tile effect roofing sheets can be fixed into position. This would then require an engineer to carry out structural calculations to ensure that the structure is capable of holding the additional weight. This stops any leaks and leaves you with a brand new roof without having to disturb the old one.

Over cladding or over sheeting asbestos roofs means the original asbestos roof stays where it is while new sheets are positioned on top and secured by a fixing that goes through the old roof and attaches to the existing structure of the building. The overcladding process also reduces the costly disposal of the existing asbestos roof sheeting that must be sent to licensed landfill. The overclad process involves fixing a quatro bar mini zed rail or steel grid tight bar through your existing roof into the purlins below. In some cases asbestos containing materials need not be removed and can instead be over clad.

However many asbestos roofs are built with concrete portals meaning the roof is supported by a small number of concrete arches. Overcladding asbestos on garage roofs we provide overcladding roof refurbishments which are quick to install and incredibly cost effective. This means the new roof cannot get enough stability on top of the old one a common risk of over cladding. This is a cost effective approach with an aesthetically pleasing and watertight result.

When overcladding an asbestos cement roof it will also be necessary in most cases to include a layer of insulation to meet current day building regulations. Roof cladding requires bolts to be drilled into the asbestos roof. The overcladding of an asbestos roof is a cost effective roof refurbishment process that minimises the disruption at site. The first stage is to fix a framework to hold the metal sheets in place directly to the purlins underneath the asbestos cement roof sheets.

The insulation is then installed into the framework often an ashgrid system so named after the original manufacturer ash lacy construction and the metal weather sheet is the fixed to a bar. At roofclad we strongly recommend not going down this route and replacing the roof instead. Overcladding runs the risk of disturbing the asbestos by drilling into the existing roof. The ashgrid spacer system is an ideal component for the over roofing or over cladding of any building where the existing roofing or cladding has become unsightly beyond repair or an improvement in.