Need a certified fire rated wall system? Is building control asking for a certified fire rated wall system? Are you having to deal will multiple layers, and check each one for complaince? Struggling to find a suitable cladding that is A1 rated for a boundary? SIPit-FR is the only certified structural, insulated, fire panel with 1hr fire rating from both sides. Its a simple single panel solution that achieves 1hr fire rating as a stand alone panel. Add a breathable cork spray render to the...

Achieving Passivhaus performance doesn’t need to involve complex assemblies, deep build‑ups, or multiple insulation layers. SIPit’s 245 mm OSB‑PU structural insulated panels provide a simple, predictable, and certifier‑friendly route to ultra‑low energy construction — delivering both thermal performance and airtightness with minimal detailing. With a U‑value of 0.09 W/m²K, the 245 mm SIPit panel meets and exceeds the fabric requirements for Passivhaus envelopes. Combined with insulated...

Scotland’s 2027–2028 building regulations are moving toward a Scottish Passivhaus‑equivalent standard, with significantly tighter fabric performance requirements. This signals a clear shift to lower U‑values, higher airtightness, reduced thermal bridging, and lower embodied carbon. Many construction systems will need multi‑layer insulation build‑ups to meet these new targets. SIPit’s PU SIP panels do not. Our large-format PU SIPs achieve these U‑values as a single engineered panel,...