Heavy-Duty Structural SIP Panels
From £127.99 (2.4m)
Heavy-Duty Structural SIP Panels (15mm OSB)
105–230mm overall thickness • 2.4m and 3m lengths
Our heavy-duty SIP range is built for increased strength and a more robust feel, using 15mm OSB facings with an insulated core. It’s a great choice where you want extra rigidity and durability, while still achieving strong thermal performance. Select a panel length and code below to view U-values and transparent per-panel pricing.
All SIP panels are precision-made in our own factory for consistent quality and a smoother on-site build. Prices shown are per panel for 2.4m lengths. 3m pricing is available on request. Delivery is quoted separately based on your postcode and site access.
- Panel length
- 2.4m
- Panel code
- IR 75-15IR 100-15IR 125-15IR 150-15IR 175-15IR 200-15
| CODE | INSULATION SIZE | PANEL THICKNESS | U VALUE | 2.4m PRICE |
|---|---|---|---|---|
| IR 75-15 | 75 mm | 105 mm | 0.39 | £127.99 |
| IR 100-15 | 100 mm | 130 mm | 0.31 | £136.99 |
| IR 125-15 | 125 mm | 155 mm | 0.25 | £150.99 |
| IR 150-15 | 150 mm | 180 mm | 0.21 | £165.99 |
| IR 175-15 | 175 mm | 205 mm | 0.18 | £184.99 |
| IR 200-15 | 200 mm | 230 mm | 0.16 | £205.99 |
OSB facing: 15mm OSB facings
Overall thickness range: 105–230mm
Insulation core range: 75–200 mm
U-value range: 0.16–0.39
Panel lengths: 2.4m and 3m (3m pricing available on request)
Pricing basis: Per panel for 2.4m lengths; delivery quoted separately by postcode and site access
Heavy-Duty Structural SIP Panels are designed for projects that benefit from increased rigidity and a more robust panel build. This range uses 15mm OSB facings with an insulated core, offering a strong structural panel with dependable thermal performance. With options from 105mm to 230mm overall thickness, you can choose a specification that suits your build requirements and target U-value.
Use the selectors above to choose your panel code and view insulation thickness, overall panel thickness and U-values in the table below. Prices shown are per panel for 2.4m lengths, with 3m options quoted on request. All panels are precision-made in our own factory for consistent quality and an accurate fit on site — helping reduce waste and speed up installation.
Delivery is quoted separately based on your UK postcode and site access, and our team can confirm lead times and offloading requirements before dispatch.
Benefits of SIPs
Structural Insulated Panels (SIPs) are at the forefront of construction methods, and a key element to the future of the industry.
- Superior Thermal Performance
- High insulation values reduce heat loss and improve energy efficiency year-round.
- Faster Build Time
- Factory-cut panels significantly reduce on-site construction time.
- Structural Strength
- Engineered panels provide high load-bearing capacity and structural stability.
- Airtight Construction
- Reduced thermal bridging improves internal comfort and lowers energy costs.
- Precision Manufacturing
- CNC-cut panels ensure accurate fitting and reduced material waste.
- Energy & Cost Efficiency
- Lower labour time and improved insulation result in long-term savings.
Heavy-Duty
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