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.
Metal roof and asbestos.
Any panels that are made of asbestos cement will be resistant to harsh weather conditions so any boarding panels used on the outside of the structure that are exposed to the elements will probably contain asbestos.
Replacing your asbestos roof with a new garage roof can enhance the value of your property and will increase the service life of the buildings use.
If it is made of another material such as reinforced plastic or corrugated iron then it won t contain asbestos.
People are understandably nervous about dealing with asbestos roofs as the dangers of disturbing the asbestos mean that even simple repairs must be carried out by specialist contractors.
Asbestos wouldn t rot rust conduct electricity or react to heat.
Old leaking asbestos roofs present a special maintenance problem.
The dangers of disturbing the asbestos sheet means even the simplest repair must be undertaken by specialist contractors to avoid airborne release of harmful fibres.
Asbestoseal is a bba approved asbestos roof coating the only one on the market that has been tested for use on this type of roof.
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For small projects up to say 1500 sq metres allow 5 40 per sq metre.
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.
Using asbestos in roofing had many other advantages.
Asbestos particles made asphalt based roofing durable and long lasting.
A whole roof replacement means more money is spent as it s more expensive and potentially more income is lost due to the amount of disruption it can cause.
Free download the 5 top reasons to replace your garage roof.
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The costs for cleaning and coating including all safe access can be as low as 30 per sq metre for large projects.
The six types of asbestos.
As a company we have carried out a vast range of successful asbestos and metal roof overcladding services to industrial buildings.
We have many years experience dealing safely with old asbestos roofs on commercial and industrial buildings and undertake all types of work from small minor repairs to complete roof replacement.
That solved structural issues for heavy roof loads.
Asbestos was easy to work with widely sourced and low cost to purchase.
Once you have established whether your shed or garage contains asbestos or not the next thing you ll want to know is if you should carry out removal.
Chrysotile fibres are fine with high heat resistance accounting for around 90 of all asbestos used in commercial applications.
Glass fibre with glass fibre encapsulation the resin is in a liquid form and is able to saturate the surface of the roof and penetrate deep into the pores cracks and small holes.