For information all plasterboard is fire resistant, however the likes of fireline etc have a higher fire resistance than wallboard etc, however you may require more or thicker layers of “ordinary” plasterboard to achieve a specific fire resistance.

Is normal plasterboard fireproof?

For information all plasterboard is fire resistant, however the likes of fireline etc have a higher fire resistance than wallboard etc, however you may require more or thicker layers of “ordinary” plasterboard to achieve a specific fire resistance.

What fire rating does plasterboard have?

If the ceiling is plasterboarded, then 12.5mm thick boards are required to give 30 minutes’ fire resistance. You may have to provide an additional skim coat or additional plasterboard to the ceiling.