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Frequently asked question

Using Gyproc plasterboard within different applications

We answer your questions about how to use our plasterboard products within specific applications.


How can I install plasterboard with flush skirting? 

Where a partition will have a flush or recessed skirting, incorporate a Gyproc GFS1 fixing strap behind the lower edge of the plasterboard lining. This gives you a central horizontal fixing at the bottom of the board, which you can then fix to at 300mm centres.  

Gyproc Sealant is ideal for fixing skirtings to Gyproc plasterboards without the need to fill screw holes afterwards. Cut the nozzle of the sealant to give a 10mm diameter bead, then apply a vertical line at 400mm centres. Keep the sealant line 10mm clear of the top and bottom of the skirting to allow for it to spread when the skirting is fixed into place. Allow 24 hours for the sealant to dry before preparing the skirting boards for painting. 


What are the best boards to use on solid walls? 

Plasterboard linings to solid masonry walls are usually required to provide increased thermal or sound insulation performance.  

For increased thermal performance, the Gyproc thermal laminate range is ideal. These products use polystyrene and phenolic foam to provide thermal insulation, and you can select the level of insulation you need. We also offer moisture and vapour resistant boards as part of this range.  

When you need to improve acoustic performance, Gyproc SoundBloc plasterboards have a high density core for enhanced sound insulation. Fix Gyproc SoundBloc to GypLyner Universal or GypLyner IWL systems for the best results.  


What plasterboard should I use for a compartment wall?

The best type of Gyproc plasterboard to use for a compartment wall depends on the fire resistance and sound insulation requirements for the project.   

Typically, double layer Gyproc SoundBloc boards are specified to provide either 60 or 90 minutes of fire resistance, and can also meet high sound insulation performance requirements.  

For 120 minutes of fire resistance, double layer 12.5mm Gyproc FireLine boards are commonly specified. However, if you require high levels of both fire resistance and sound insulation, we recommend a combination of Gyproc SoundBloc and Gyproc DuraLine boards.   


What should I use to encase steel beams?

We offer two systems for encasing steel beams. First, our FireCase system offers up to 120 minutes of fire protection, and uses Glasroc F FIRECASE plasterboard to form a frameless encasement around steel beams. The boards fix directly to each other, meaning there’s no need for additional framing. They also offer a smooth surface that doesn’t require jointing or decoration.

Alternatively, the GypLyner ENCASE system uses Gyproc FireLine plasterboard mounted on a Gypframe metal framework. It provides up to 180 minutes of fire resistance, and also offers better acoustic performance. This system is quick and easy to install as it uses simple clip-on fixings.