Skip to content
Mon - Fri 7.30am - 5.30pm, Saturday 7.30am - 12.30pm
Mon - Fri 7.30am - 5.30pm, Saturday 7.30am - 12.30pm

External Wall Insulation (EWI) Systems | Boards & Fixings

Our comprehensive range of External Wall Insulation (EWI) systems includes everything you need to insulate and finish exterior walls on new builds or retrofit projects. EWI improves thermal efficiency, reduces energy bills, and enhances external appearance — all while meeting modern building regulations.

✅ EPS, mineral wool & PIR insulation boards
✅ Basecoats, mesh, primers, and dash receivers
✅ Compatible with silicone, acrylic & monocouche render finishes
✅ Full range of mechanical fixings, beads, and accessories
✅ Suitable for domestic, commercial, and refurbishment projects

Our EWI products are trusted by installers, rendering contractors, and self-builders across the UK. Whether you're working on a small extension or a large-scale development, we supply everything required for a professional and long-lasting system.

✔️ Supports U-value compliance
✔️ Improves thermal performance and weather resistance
✔️ Nationwide UK delivery on all EWI materials

Filters

£
£

25mm EPS

£3.56 - £3.56
£3.56
£3.56 - £3.56
£3.56
In stock

25mm EPS 1200x600mm Experience the versatility and durability of our 25mm EPS insulation boards, designed for external wall applications. This cos...

View full details
£3.56 - £3.56
£3.56
£3.56 - £3.56
£3.56

50mm EPS 1200x600mm

£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 ...

View full details
£4.74 - £4.74
£4.74
£4.74 - £4.74
£4.74
Save 17% Save %

Rockwool External Wall Dual Density Slab 1200 x 600 x 80mm | EWI Insulation Board

£18.00
£18.00 - £18.00
£18.00
£14.95
£14.95 - £14.95
£14.95
In stock

The Rockwool Dual Density Slab (1200 x 600 x 80mm) is a high-performance stone wool insulation board specifically engineered for use in external wa...

View full details
£18.00
£18.00 - £18.00
£18.00
£14.95
£14.95 - £14.95
£14.95
Save 17% Save %

PIR Insulation Board 2400 x 1200 (ALL SIZES)

£30.00 - £74.98
£30.00 - £74.98
£30.00 - £74.98
£30.00
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 ...

View full details
£30.00 - £74.98
£30.00 - £74.98
£30.00 - £74.98
£30.00

90mm EPS 1200x600mm

£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

£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

DIPK 10/80/100 (Box of 200) Fixings

£60.00 - £60.00
£60.00
£60.00 - £60.00
£60.00
In stock

Discover the Power of DIPK 10/80/100 Fixings Enhance your construction and renovation projects with the DIPK 10/80/100 Fixings. This box o...

View full details
£60.00 - £60.00
£60.00
£60.00 - £60.00
£60.00

DIPK 10/40/60 (Box of 200) Fixings

£48.00 - £48.00
£48.00
£48.00 - £48.00
£48.00
In stock

Enhance Your Fixing Solutions with DIPK 10/40/60 (Box of 200) Introducing the fischer drive anchor DIPK 10, a cutting-edge fastening solut...

View full details
£48.00 - £48.00
£48.00
£48.00 - £48.00
£48.00

DIPK 10/100/120 (Box of 200) Fixings

£60.00 - £60.00
£60.00
£60.00 - £60.00
£60.00
In stock

Introducing the DIPK 10/100/120 Fixings - Box of 200 Upgrade your construction and insulation projects with the DIPK 10/100/120 F...

View full details
£60.00 - £60.00
£60.00
£60.00 - £60.00
£60.00

DIPK 10/10/30 (Box of 200)

£42.00 - £42.00
£42.00
£42.00 - £42.00
£42.00
In stock

Versatile and Reliable DIPK 10/10/30 Drive Anchor The DIPK 10/10/30 Drive Anchor is the ultimate solution for all your anchoring needs. Th...

View full details
£42.00 - £42.00
£42.00
£42.00 - £42.00
£42.00

DIPK 10/60/80 (Box of 200) Fixings

£54.00 - £54.00
£54.00
£54.00 - £54.00
£54.00
In stock

DIPK 10/60/80 (Box of 200) Fixings Introducing the DIPK 10, a premium drive anchor designed for superior performance and versatility in co...

View full details
£54.00 - £54.00
£54.00
£54.00 - £54.00
£54.00