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Plasterboard, Insulation & Flooring | Drylining & Subfloor Materials

Explore our full range of plasterboard, insulation materials, and flooring products – perfect for internal builds, renovations, and new construction projects. Whether you're lining walls, insulating a loft, or installing subfloors, we supply trusted brands and high-quality materials at competitive prices.

Our selection includes:
✅ Standard and moisture-resistant plasterboard
✅ PIR insulation boards and mineral wool rolls
✅ Acoustic, thermal, and floor insulation
✅ Chipboard flooring and tongue & groove panels

Ideal for drylining, soundproofing, thermal insulation, and subfloor systems. Suitable for builders, joiners, and home renovators across the UK.

Nationwide delivery available on all plasterboard, insulation, and flooring supplies.

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50mm EPS 1200x600mm

Alter Supplies
£4.74 - £4.74
£4.74
£4.74 - £4.74
£4.74
In stock

EPS is the most popular product used in external wall insulation. It is a cost effective yet durable product and is lightweight, non-toxic, and is ...

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£4.74 - £4.74
£4.74
£4.74 - £4.74
£4.74

25mm EPS in 2 Sizes!

Alter Supplies
£3.56 - £7.68
£3.56 - £7.68
£3.56 - £7.68
£3.56
In stock

25mm EPS 1200x600mm & 1200 x 2400mm  Experience the versatility and durability of our 25mm EPS insulation boards, designed for external wall a...

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£3.56 - £7.68
£3.56 - £7.68
£3.56 - £7.68
£3.56

Caberfloor Moisture Resistant floor board 2.4m x 0.6m x22mm

Alter Supplies
£20.16 - £20.16
£20.16
£20.16 - £20.16
£20.16
In stock

Caberfloor Moisture Resistant Floor Board Enhance your living space with the Caberfloor Moisture Resistant Floor Board, designed specifica...

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£20.16 - £20.16
£20.16
£20.16 - £20.16
£20.16

90mm EPS 1200x600mm

Alter Supplies
£7.20 - £7.20
£7.20
£7.20 - £7.20
£7.20
In stock

EPS is the most popular product used in external wall insulation. It is a cost effective yet durable product and is lightweight, non-toxic, and is ...

View full details
£7.20 - £7.20
£7.20
£7.20 - £7.20
£7.20

70mm EPS 1200x600mm

Alter Supplies
£6.00 - £6.00
£6.00
£6.00 - £6.00
£6.00
In stock

EPS is the most popular product used in external wall insulation. It is a cost effective yet durable product and is lightweight, non-toxic, and is ...

View full details
£6.00 - £6.00
£6.00
£6.00 - £6.00
£6.00

PIR Insulation Board 2400 x 1200 (ALL SIZES)

Alter Supplies
£28.20 - £74.98
£28.20 - £74.98
£28.20 - £74.98
£28.20
In stock

Mannok Therm Roof / MR PIR insulation is high performance, fibre free board, with a rigid thermoset insulation core faced on both sides with a low ...

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£28.20 - £74.98
£28.20 - £74.98
£28.20 - £74.98
£28.20

Gyproc Standard Plasterboard Tapered Edge 1200 x 2400 x 12.5mm

Alter Supplies
£11.76 - £11.76
£11.76
£11.76 - £11.76
£11.76
In stock

Upgrade your walls with Gyproc Standard plasterboard! This top-of-the-line plasterboard features a tapered edge and measures 1200 x 2400 x 12.5mm, ...

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£11.76 - £11.76
£11.76
£11.76 - £11.76
£11.76
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Gyproc Moisture Resistant plaster board 2400mm x 1200mm x 12.5mm

Alter Supplies
£24.00
£24.00 - £24.00
£24.00
£20.40
£20.40 - £20.40
£20.40
In stock

Protecting walls and ceilings from high humidity is vital in wet areas such as kitchens and bathrooms. Mold and staining can result from excessive ...

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£24.00
£24.00 - £24.00
£24.00
£20.40
£20.40 - £20.40
£20.40
Save 15% Save %