Description
Product Overview
Siniat GTEC Moisture Board 15 mm Tapered Edge (2400 mm × 1200 mm) is a premium gypsum board specially engineered for high‑humidity internal environments. With a 15 mm thickness and large sheet format, it provides dependable performance in kitchens, bathrooms, utility rooms and other humid internal spaces.
Key Features & Benefits
- Moisture‑resistant core and liner, designed to perform in humid areas (complies with Type H2 under BS EN 520)
- Reaction to fire classification: Euroclass A2‑s1,d0 — limited combustibility and low smoke emission
- Thermally conductive: λ = 0.25 W/mK (to BS EN 12524:2000) and thermal resistance R ≈ 0.060 m²K/W for 15 mm thickness
- Lightweight yet robust: mass ~11.9 kg/m² for 15 mm board; individual board weight ~34.3 kg for 2400 × 1200 × 15mm
- Colour‑coded green on both faces for easy identification of moisture‑resistant board type
- Tapered edge (TE) format for ease of jointing and finishing
- Smooth surface ready for decoration or skim finish, offering efficient installation
- Ideal size (2400 × 1200 mm) gives fewer joints and good coverage
Applications / Typical Uses
- Suitable for internal wall linings and ceilings in humid areas such as kitchens, bathrooms, utility rooms and laundries
- Ideal for both new build and refurbishment projects where moisture resistance is required
- Suitable as a reliable liner in residential, commercial or institutional buildings exposed to increased humidity
Installation & Handling
- Store flat on a dry, level surface and protect from direct exposure to moisture prior to installation
- Handle with care to avoid damage to edges and board faces
- Cutting can be done using the “score & snap” method—no power tools required
- Fix using appropriate screws or fixings depending on substrate, in accordance with Siniat system guidance
- After installation, joint and finish using Siniat approved jointing systems. Prime with Universal Sealer before decoration
Compliance & Certification
- Manufactured in accordance with BS EN 520:2004 + A1:2009 Type H2 (moisture resistant gypsum boards)
- Reaction to fire: Euroclass A2‑s1,d0
- Thermal conductivity: 0.25 W/mK for this board
- Recognised for use in internal environments where humidity levels are elevated and where moisture performance is specified

























