The typical characteristic features of corrugated acm fences are.
Super 6 fencing asbestos.
Super 6 was not the only rounded profile used.
The original corrugated super six asbestos cement sheets were manufactured from the 1950 s until 1985.
Like other non friable asbestos products super six roofing can release dangerous asbestos fibres when broken or damaged.
Carbon dioxide in the air is slightly acidic.
Whilst we do not recommend hardiefence it has become a common fencing type in perth and sometimes it is just not worth replacing the whole fence line with colorbond or.
We can install any size hardy fence job however it would not be recommended as the preferred product it s more costly per meter and more labor intensive and probably only has a 7 to 10 year life span.
Unfortunately early hardifence products used a similar mould to the super six and as such this test can only tell for certain that it is not asbestos if it only has 5 ridges.
Super six roofing material can release asbestos.
Not sure if it s hardiefence super six or asbestos.
Age of the house.
6 tips to identify super six asbestos and hardifence non asbestos.
Although it s possible second hand asbestos super six sheeting may have been reused the incidence of this is probably low.
Brand name of super six non acm is commonly named hardifence.
Hardy fence is the replacement product for james hardy s super 6 which lacked strength after they stopped manufacturing them with asbestos.
Asbestos fences usually have 7 ridges per 1 meter wide panel where as hardifence made after 1990 has only 5.
If the fence is cement like and is or could be pre 1990 then it is likely to be acm.
How to tell the difference between hardi fence and asbestos.
A house built in the late 1980 s and onwards is less likely to have asbestos super six fencing installed.
It was also made in a shallower profile known as standard which is very similar in profile to corrugated metal roofing and has 25mm 1 inch corrugations.
Super six roof corrugated asbestos cement with asbestos cement flashing and ridge capping.
This new product eliminated the deadly asbestos fibres.
Underside of super six corrugated asbestos cement roof dimple texture visible contrasts with upper tin roof.
Including from local government records may help date the fence.
Concrete is basic or alkaline.
If you live anywhere else in australia and have corrugated cement fencing it will be super 6 and contain asbestos.
Close up of super six roof corrugated asbestos cement.
It was widely used for fencing and roof sheeting and some is still in use on homes of this era today.
From 1985 super six was replaced by a similar looking product known as hardifence.
See this handy fact sheet about how to tell the difference.
As a result asbestos can be found everywhere from walls to underneath tiles in pipe insulation in wall cladding in fencing and even in roofing which was the most common use for asbestos up until the 1980 s.
Horozontal corrugated asbestos cement super 6 fence.
