Plasterboard
A sheet of gypsum with paper on both faces. You screw it to studs or stick it to a wall to make interior walls and ceilings.
- The face colour tells you the type: duck-egg = moisture, pink = fire, blue = sound.
- Tapered edge for tape and filler; square edge for a skim plaster finish.
- Most common size: 2400 × 1200 mm, 12.5 mm thick.
Brands and types in the UK (13)
Gyproc WallBoard — borde recto / square edge
Standard board for dry walls and ceilings. Square edge, for a plaster skim.
Gyproc WallBoard — borde rebajado / tapered edge
The same standard board, with tapered edges for taped and filled joints.
Technical data
- 12.5 × 2400 × 1200 mm
- EN 520
- taper 40–80 mm wide, 0.6–2.5 mm deep
- λ 0.19 W/mK
Data sheet: PDF
Source: Builder Depot
Gyproc Moisture Resistant (MR)
For kitchens and bathrooms with occasional moisture. Duck-egg face.
Technical data
- 12.5 × 2400 × 1200 mm
- EN 520 Type H1
- A2-s1, d0
- λ 0.19 W/mK
Data sheet: PDF
Source: Builder Depot
Gyproc FireLine
Fire-rated board with glass fibre in the core. Pink face.
Technical data
- 12.5 × 2400 × 1200 mm
- EN 520 Type F
- A2-s1, d0
- ≥ 9.7 kg/m²
- λ 0.24 W/mK
Data sheet: PDF
Source: Builder Depot
Gyproc SoundBloc
Denser board so less noise passes between rooms. Blue face.
Technical data
- 12.5 × 2400 × 1200 mm
- EN 520 Type D
- A2-s1, d0
- ≥ 10.3 kg/m²
- λ 0.25 W/mK
Data sheet: PDF
Source: Builder Depot
Gyproc WallBoard Duplex
Foil-backed to stop vapour in external walls and loft rooms.
Technical data
- 12.5 × 2400 × 1200 mm
- EN 14190
- B-s1, d0
- μ 1400
- ≥ 7.7 kg/m²
Data sheet: PDF
Source: Builder Depot
British Gypsum Gyproc Plank Square Edge 19mm 2400x600mm
Dense Type A plasterboard that adds acoustic mass in floor and wall systems.
Technical data
- Thickness: 19mm
- Board Size: 2400 x 600mm
- Thermal Conductivity: 0.19 W/mK
- Reaction to Fire: A2-s1,d0
- Min Weight: 14.7kg/m²
Source: Builder Depot
Knauf Square Edge Plasterboard 12.5mm 1200x2400mm
Gypsum plasterboard for partitions, linings and ceilings; suitable for plaster finish or direct decoration.
Technical data
- Dimensions: 12.5 x 1200 x 2400 mm
- Thickness: 12.5 mm
- Weight: 23 kg
- Thermal Conductivity: 0.19 W/mK
- Certifications: EN 520 Classification Type A
Source: Wickes
Knauf Tapered Edge Plasterboard 12.5mm 1200x2400mm
Tapered edge gypsum plasterboard for partitions, linings and ceilings; suitable for plaster finish or direct decoration.
Technical data
- Dimensions: 12.5 x 1200 x 2400 mm
- Thickness: 12.5 mm
- Weight: 23.90 kg
- Edge Detail: Tapered
- Certifications: EN 520 Classification Type A
Source: Wickes
Siniat Plasterboard Standard Square Edge 2400x1200x12.5mm
Gypsum plasterboard ideal for partitions, linings and ceilings where normal fire, structural and acoustic levels are specified.
Technical data
- Product Width: 1200 mm
- Product Length: 2400 mm
- Thickness: 12.5 mm
- Complies with BS EN 520:2004+A1:2009 Type A
- Material: Gypsum
Source: Jewson
Siniat Standard Board 12.5mm
Gypsum board for partitions, linings and ceilings; suitable for tape and jointing or skimming.
Technical data
- Reaction to fire: A2-s1,d0
- Board Type: Plasterboard
- Colour: Ivory
- Type A to EN 520
Source: Siniat (manufacturer)
Gyproc Handiboard Square Edge 12.5mm 1.22×0.6m
Smaller plasterboard for dry lining internal surfaces; can be decorated directly or plastered with Thistle finishes.
Knauf Square Edge Baseboard 9.5mm 900x1220mm
Handy-sized plasterboard for partition building, patching and repair; suitable as a base for plastering.
Technical data
- Dimensions: 9.5 x 900 x 1220 mm
- Thickness: 9.5 mm
- Weight: 6.76 kg
- Certifications: EN 520 Classification Type P
- Coverage: 1.09 m2
Source: Wickes
Sources: product listings from B&Q, Builder Depot, Jewson, Siniat (manufacturer), Wickes, checked on 31-10-2026. Photos are from Builder Depot (with permission) the manufacturer or the shop (shown under each photo); where there is no photo we show a drawing. Original Fixiz Academy text; data can change, always check the manufacturer data sheet.