Structural insulated panel for use in buildings

A structurally insulated panel extending in a longitudinal and lateral direction comprising: a first board; a second board, and; an insulation member having a first surface and a second surface and a conduit, the first board adhesively connected to the first surface and the second board connected to the second surface, the insulation member comprises a conduit, the conduit extending in a depth direction from the first surface and extending across the lateral and/or longitudinal direction, the conduit including a utility member carrying portion for transmitting a utility member across the structurally insulated panel, wherein the conduit is arranged to prevent or reduce excess adhesive from said adhesive connection from entering into the utility member carrying portion.