What to do with suspicious insulation.
Rock wool attic insulation asbestos.
Normally mineral wool or rock wool slag wool or stone wool insulation does not contain asbestos but there are exceptions it would be unusual for a residential home to have rock wool insulation containing asbestos to know with absolute certainty i d have a sample of the insulation tested.
To increase home comfort and save energy year round start by insulating the attic keeping the heat in during the winter and out in the summer.
Asbestos while many forms of insulation manufactured prior to the mid 1980s contain asbestos rock wool does not.
Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos.
Then fibers are spun from the molten material.
Raw materials get exposed to temperatures up to 2 750 degrees fahrenheit making it melt.
Asbestos litigation caused the company to file for bankruptcy in 1996.
Rock wool manufacturing company is a wool insulation manufacturer that used asbestos in several of its products until the 1970s.
A home inspector pointed out that the insulation behind the upstairs knee walls is called something wool.
Therefore it can be said that rockwool exhibits higher thermal resistance than asbestos.
Rock wool is installed as loose insulation or as woven insulation batts.
Rock wool insulation is fabricated from belted basaltic rock and dolomite with binders being added.
An asbestos trust fund was established in 1999 to compensate victims.
Mineral wool insulation rock wool is made from mineral fibers manufactured from stone and waste from mining.
Mineral wool insulation like that shown in our photograph includes only stone wool insulation insulation made from rock and slag.
This is in part because it is a man made material that is quite dense and suitable.
Rock wool and asbestos have exhibit ability to resist the fire.
Therefore properly the term mineral wool insulation is a proper subset of mineral fiber insulation.
It s old dirty and fibrous and the inspector told him that it should be tested for asbestos fibers.
They are used as either fire insulation or heat insulation.
This is one of the most cost effective areas to add insulation.
In fact rockwool and asbestos can resist the heat up to 1 240 and 600 degree celsius respectively.
Choice in attic insulation can make a big difference for energy saving in your home.
It is common for rock wool to be found as a woven insulation batt or loose insulation.
Use rockwool thermal stone wool insulation to insulate the attic of a new build extension or to increase the r value and top up the current attic insulation especially in an older home.
