Overcladding Asbestos Roof

This includes removing asbestos sheets that are already there replacing them with brand new roof sheets.

Overcladding asbestos roof.

Potentially causing harm to you and anyone else close by. By overcladding a roof additional weight will be added to the structure. The benefits of asbestos overcladding. This is especially true when it comes to asbestos cement roof coverings.

This is a cost effective approach with an aesthetically pleasing and watertight result. However many asbestos roofs are built with concrete portals meaning the roof is supported by a small number of concrete arches. Overcladding runs the risk of disturbing the asbestos by drilling into the existing roof. In some cases asbestos containing materials need not be removed and can instead be over clad.

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 overcladding process also reduces the costly disposal of the existing asbestos roof sheeting that must be sent to licensed landfill. This would then require an engineer to carry out structural calculations to ensure that the structure is capable of holding the additional weight. 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.

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. At roofclad we strongly recommend not going down this route and replacing the roof instead. Overcladding asbestos on garage roofs we provide overcladding roof refurbishments which are quick to install and incredibly cost effective. 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.

The overclad process involves fixing a quatro bar mini zed rail or steel grid tight bar through your existing roof into the purlins below. 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. This means the new roof cannot get enough stability on top of the old one a common risk of over cladding. Roof cladding requires bolts to be drilled into the asbestos roof.