If the sheets are in particularly bad condition whereby the asbestos fibres are exposed then it is likely that the best course of action would be to safely remove and dispose of the existing asbestos cement sheets and replace them with a safe and modern flat roofing solution.
How to install asbestos roof sheets.
Asbestos roofs last about 50 60 years for thin sheet varieties or 70 85 years for thick sheets.
It s important that you contact a licensed asbestos removal contractor for disposing of asbestos sheets.
Sheet disposal costs vary and depend on the extent of work required to remove corrugated roofing sheets.
Pre drill the holes and use 10 by 2 in 25 4 by 5 1 cm screws with polycarbonate washers.
The ban came into effect in 1999 so bear that in mind when thinking about how long your roof has left.
These roof sheets are inexpensive and very strong and durable.
These sheets could be pigmented and cut into manageable shapes and were able to have textured patterns pressed into the surface.
Metal sheets have high load bearing capacity so won t crack or tear apart because of the weight of solar panels.
Cement roof sheets or fibre cement roof sheets are sheets of molded cement that has been mixed with natural or synthetic fibre.
Continue across the roof until it is completely covered lapping over the previous panel by at least 2 5 inches 6 4 cm minimum.
The best solar access i have is a long fibro garage with a corugated fibro bonded asbestos roof.
Benefits of metal sheet over asbestos or cement sheet for solar panels installation.
Adjust the lap so that the last panel completes the coverage without making a cut lengthwise.
Because some asbestos containing roof cement coatings and mastics are not labeled as asbestos containing information about the dates of the roofing installation may also be sufficient to rule in or out the possibility that your roofing contains asbestos.
The reason why every solar installer forces you to use a metal roof is because of the benefits it provided over the asbestos or cement roof.
Are there any roof fixing systems that can be used on fibro and any contractors with experience installing on fibro.
Contemporary roofing product manufacturers make reinforced fiber cement roofing shingles and other roofing products which look like perform similarly to and need to be installed similarly to the original corrugated asbestos cement sheet roofing but these new products are free of asbestos.
Asbestos cement sheet removal and re roofing.
Or is the only option to replace the roof sheeting which would massively increase the installation cost.
Can you put solar panels on an asbestos roof.
In 1907 process equipment was invented that produced rigid sheets from the cement asbestos.