Aquachek™. Technical Specifications Installation Instructions. Gyprock Aquachek is a moisture resistant wall and ceiling plasterboard designed as the perfect lining for wet areas. It is available in 10mm and 13mm thicknesses for residential andmercial applications.is the UK's most prominent Access Panel Manufacturer. Specialising in Access Panels, Riser Doors, Roof Hatches & Bespoke Solutions. With over 2000 panels in stock and fast lead times, they have the right solution for every project.As an adequate product eligible to be installed by a gypsum ceiling expert, the unique design of USG BORAL Access Panel offer ease of application.60 minute and 120 minute fire rated panels to meet building performance specifications. » Wall and ceiling options. » Loft hatch panels.