
IR Spline Products
From £ 10,50
Our IR Spline range is designed for SIP panel installation, offering precise dimensions and reliable performance for different panel thicknesses. Each spline is manufactured to suit specific panel sizes and is available at a clear unit price plus VAT.
Submit a Request| Product | Length | Width | Thickness | Composition | Price |
|---|---|---|---|---|---|
| IR Spline 75 | 244 mm | 90 mm | 75 mm | 11 mm OSB + 53 mm EPS + 11 mm OSB | £10.50 + VAT |
| IR Spline 100 | 244 mm | 90 mm | 100 mm | 11 mm OSB + 78 mm EPS + 11 mm OSB | £12.50 + VAT |
| IR Spline 125 | 244 mm | 90 mm | 125 mm | 11 mm OSB + 103 mm EPS + 11 mm OSB | £13.50 + VAT |
| IR Spline 150 | 244 mm | 90 mm | 150 mm | 11 mm OSB + 128 mm EPS + 11 mm OSB | £14.50 + VAT |
| IR Spline 175 | 244 mm | 90 mm | 175 mm | 11 mm OSB + 153 mm EPS + 11 mm OSB | £16.00 + VAT |
| IR Spline 200 | 244 mm | 90 mm | 200 mm | 11 mm OSB + 178 mm EPS + 11 mm OSB | £18.00 + VAT |
Purpose: Splines for SIP panel installation, sized to specific panel thicknesses
Length: 244 mm (all products)
Width: 90 mm (all products)
Thickness options: 75, 100, 125, 150, 175, 200 mm
Composition: 11 mm OSB + EPS core (53–178 mm) + 11 mm OSB
Pricing basis: Per unit, plus VAT

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
factory-cut panels ensure accurate fitting and reduced material waste.
Energy & Cost Efficiency
Lower labour time and improved insulation result in long-term savings.
IR Spline Products
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