External Sheathing Board and External Plasterboards

Siniat, one of Europe’s leading manufacturers in plasterboard, have created a revolutionary piece of kit that is sure to weather the storm.

The Siniat GTEC Weather Defence External Sheathing Board is a type of external plasterboard, laced with a water repellent for water and mould protection of the highest calibre.

The double BBA-certified Weather Defence board is dimensionally robust, moisture resistant and A1 non-combustible, having established itself as one of the swiftest and easiest methods of insulation that is compatible with multiple cladding systems. This external sheathing board has reliable airtightness, stability and ease with which it’s cut and installed prove why this has been installed by over 75% of the Construction News’ top 25 contractors and over 45% of AJ100 British Architects.

This is one of the most sustainable and lightweight products on the market today and a viable alternative to cement particle board in external systems. You have more options of design detail with Weather Defence and can easily craft corners or curves in the material.

The gypsum core technology ensures high sound insulation and a superb fire resistance. It is available in a square edge and comes 12.5mm thick.