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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.

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Products in This Category

   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

   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

Frequently asked questions

How does Specialist Fire Board differ from standard fire-rated plasterboard?

Specialist Fire Boards offer higher fire resistance and are made from durable materials like calcium silicate, ideal for intense fire conditions.

Can fire protection boards be used to protect steel beams?

Yes, they are commonly used to insulate structural steel, helping maintain its strength during a fire.

Are fire protection boards suitable for both internal and external applications?

Some boards are rated for both; check certifications to ensure suitability for outdoor use.

How are specialist fire boards tested and certified?

They are tested per standards like BS 476 and EN 13501-2, assessing fire resistance, integrity, and insulation.

What is the fire performance of materials tested on?

Testing measures fire containment, smoke control, and structural stability, typically rated in 30-120 minute intervals.

Can fire boards be combined with other fire protection systems?

Yes, they work well with other fire-stopping solutions for enhanced protection.

What installation requirements should be considered for specialist fire boards?

Following manufacturer instructions is essential to achieve the correct fire rating.

What types of application are specialist fire board suitable for?

Specialist fire boards are suitable for various applications, including fire-rated walls, ceilings, steelwork protection, shaft wall linings, tunnel linings, and offshore platforms.

Need a quote or technical support?

 

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