Skip to content
GO INTERIORS
Distribution Partner to Fermacell, Siniat, and British Gypsum

External Sheathing Boards for Weather-Resistant Performance

External sheathing boards are designed to protect wall structures during the construction phase and provide a high-performance substrate for external finishes. These boards offer moisture resistance, dimensional stability, and durability, making them ideal for façade systems in all weather conditions.

weather-defence-board

Products in This Category

   Fermacell Logo

fermacell Powerpanel H2O

Durable, moisture-resistant cement board with laminated design and glass fibre mesh reinforcement, ideal for wet indoor or outdoor areas.

  • Thicknesses: 12.5 mm
  • Widths: 1000, 1200 mm
  • Lengths: 1200, 2600mm
  • Edge: SE

   siniat-logo

Siniat Weather Defence

A glass-reinforced gypsum sheathing board used for external walls — BBA Certified, breathable, and water-resistant.

  • Thickness: 12.5 mm
  • Width: 1200 mm
  • Length:  2400 mm 
  • Edge: SE
  • Fully A1 non-combustible

   British_Gypsum_Logo_RGB-210x50[1]

British Gypsum Glaroc X

A robust glass-mat gypsum sheathing panel designed for façade systems, offering excellent weather protection during construction.

  • Thicknesses: 15 mm
  • Widths: 1200 mm
  • Lengths: 2400 mm
  • Edge: SE

Need a quote or technical support?

 

Contact your local depot or alternatively complete the form and a member of our friendly and knowledgeable team will get back to you asap.