Siniat Moisture boards are a dry lining board made up of a gypsum core with strong paper linings bonded to each side with moisture resistant additives designed for the application of humid or wet areas prone to moisture within residential and commercial buildings such as kitchens, bathrooms, and utility rooms. GTEC boards are easy to cut, handle, and install.

The boards are composed of Aerated Calcium sulphate di-hydrate enclosed inside liners made from recycled wastepaper with bound edges. Core and papers are bonded with starch. Edge glue is PVA. Wallboards are a quick and efficient way to complete a room with a professional finish.

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This boards come in sizes between 1200mm and 3000mm and in thicknesses 12.5mm and15mm with a tapered edge. Tapered edge boards can be taped and filled for the perfect flush finish, and they can accept a single coat of gypsum plaster in most cases. The board name and batch number can be found written at the back and on the long edges of the board.

The Moisture Board prevents the spread high moisture levels which can lead to condensation, mould, and rot which will cause a less healthy environment and can lead to structural damage within your property. The areas requiring moisture boards are kitchens, bathrooms, internal garages, and more.


  • Available for new builds or refurbishments
  • Moisture Resistant
  • Prevent condensation and mould
  • Creates a healthier and safer environment
  • Easy installation
  • Durable and long lasting
  • Variety of sizes to suit every project
  • The boards can be fixed with drywall screws
  • Suitable for direct decoration
  • High resistance to deformation
  • Singular or multiple layer applications
  • Accepts wide range of paint and finishing products
  • Easily finished with plaster