As a new season approaches, it is important to choose the appropriate joint compound to ensure trouble-free plasterboard joints.  

Firstly, it is critical to understand that cooler and damp weather will increase the compound drying time. It is advisable to apply a thin coat of air-drying compound rather than a thick coat, which will result in a longer drying time. According to the GIB® recommended system, stoppers should use a setting compound for the first and second coats, followed by a thin coat of air-drying compound to achieve a reasonable drying time in cooler seasons. When needed, a heating source and ventilation (air movement) can be used to expedite the joint compound drying process. A gentle heating source can increase the temperature, aiding the water evaporation rate without causing harsh drying issues. Keeping at least one window open in the building will help minimise moisture levels.  

Secondly, during cooler seasons or in a poor drying environment, a slightly harder finishing joint compound will often perform better. Air-drying compounds are formulated based on their hardness and sanding ability. Choosing a harder air-drying compound will achieve an ideal finish, avoiding scratching and swirling marks.  

For further information about choosing the right compound, call the GIB® Helpline at 0800 100 442.