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.