posted on Feb, 20 2011 @ 02:08 PM
reply to post by Cobaltic1978
last year i renovated a house built 1938. it did contain a gypsum based plasterboard which was original to the home. i believe the first manufacturing
process to mass produce plasterboard was around the 1920's.
a frenchman (lafarge) came up with the concept of composite design,mass production in a factory environment with tolerances adhered to strictly. back
to the house, this plasterbord was in imperial tolerances and the entire house had been untouched save for radiator/boiler installation/ ist
generation double glasing upvc and a retro wiring job from the early eighties. lead plumbing and paintwork containing lead. it had the original
still have a couple of the bakelite switches and the original door chime. diamonds!
i havn't heard of asbestos used in waterproofing, however when mixed with gypsum cement it became a popular roofing material known as asbestos cement
sheeting. initial thought as to why it was mixed with artex was to give it strength and minimise cracking. it was mixed with many other bonding
substrates and finishes to bind the finish much in the same way horsehair was used in lath and plaster finishes in days of olde.
there was an abundance of asbestos during and after the war. its fireproofing properties were well sought after and many buildings in the uk currently
contain the stuff.
regarding tradesmen carrying out work on your property, they should have invesigated and produced a risk assessment on the property prior to
alterations. if it is the case that they have exposed the occupier to this hazard, occupier has grounds for litigation if it is found that the
contractor has failed in his/her duty of care.
if the owner is suspicious of the material, he should don up in ppe totally taped, obtain a number of samples from each area, double bag them in thick
plastic sheeting taped and document them. he could ask local council for outsourced asbestos services and ask them to look at the material he has
i have come across many different uses for asbestos over the years from heavy industry marine down to my blast furnace/foundry boots. lost count of
the number of people i knew who have passed away through asbestos related illnesses.
edit on 20-2-2011 by fakedirt because: proof read
edit on 20-2-2011 by fakedirt because: liability