Inspection Panel / Plasterboard Hatch for drywall ceiling 300x300mm, FireRated 30min Brand new Systembau Hatche Fire Rated 300 x 300mm Access Panel for drywall ceilings. Plasterboard faced, removable. Originally bought £114 from Howe Green supplier. For sale a fraction of the price as I finally decided to not put any hatch. Installation instruction included. . Fire rating to EN1364-2 ; F30 (30min Fire Protection) . Nominal Door/Cut-out Size - 300 x 300mm . Plasterboard Thickness - 15mm . Part Number - BD300300G150 . Lock Type - Snap Lock / Push to clic on and to release opening system . System F6 from FF Systembau