In some cases asbestos containing materials need not be removed and can instead be over clad.
How to overclad an asbestos roof.
Due to problems in old asbestos cement and latterly fibre cement profiled roofs and their roof lights it has become common place.
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.
Filon over 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 unsig.
The new overclad roofing system is installed with a 0 7mm outer roofsheet stepsafe rooflights and can be fitted with a roof line systems for safe future maintenance.
However many asbestos roofs are built with concrete portals meaning the roof is supported by a small number of concrete arches.
Ideal for domestic garage roofs with cement fiber corrugated sheeting with w.
The only way to know for sure whether your roof contains asbestos is to have a sample tested by professionals in a certified laboratory.
Most of the times asbestos roofing materials are not dangerous if not damaged and left undisturbed.
Accordingly if the material contains less than 1.
Read more about our asbestos roof overcladding services here.
Strip and resheet roof removal and replacement is a viable option for industrial factory asbestos office and other commercial roofs however the full stripping and resheeting of a roof can affect daily business with the process taking anywhere from a few days to a few weeks depending on size of building.
To over sheet the existing roofs with a spacer system and profiled metal sheets or grp sheets that can match the existing roof.
This is a cost effective approach with an aesthetically pleasing and watertight result.
John james roofing services short film filon over roof system.
This is especially true when it comes to asbestos cement roof coverings.
The result of the test will lead you to the next step.
This means the new roof cannot get enough stability on top of the old one a common risk of over cladding.