31-10-2012, 01:46 PM
Can be solid board, spray on fiber, the "soft padding stuff"
or even loose fibers . It was used as insulation or fire break right up untill the 80's
or even loose fibers . It was used as insulation or fire break right up untill the 80's

![[Image: DSC_0190-Copy_zpsf093f84d.jpg]](http://i1038.photobucket.com/albums/a468/167gti8/DSC_0190-Copy_zpsf093f84d.jpg)