buildings national standards authority move pyrite presence
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The move could help homeowners who are struggling to sell properties due to the presence of pyrite.
Pyrite is thought to be present in more than 20,000 Irish homes.
The mineral causes cracks and swellings in walls and floors.
Damage is classed under four building categories A, B, C, D.
For those under category B, homeowners say they find it hard to sell on their properties even though the mineral may never cause significant damage.
They say their houses are "tarnished" by pyrite.
However, the National Standards Authority of Ireland has now revised standards for that category.
They say the changes clarify the small minor damage risk associated with being in category B which could leave people in better positions to sell their houses.
It is now up to Government to implement the changes.