Patent ID: 8733046

Claim:
A building panel for use in construction of a building, the building panel comprising: a first outer sheet member; a second outer sheet member; an inner sheet member disposed between the first and second outer sheet members; and solid insulating material disposed between and bonded to the first and second outer sheet members and the inner sheet member; the building panel being provided: along a first side with first and second slots each extending for a length of the first side, the first slot being at an interface between the first outer sheet member and the insulating material, and the second slot being at an interface between the second outer sheet member and the insulating material; and, along a second side with first, second, third and fourth slots each extending for a length of the second side, the first slot of the second side being at an interface between the first outer sheet member and the insulating material, the second slot of the second side being at an interface between the second outer sheet member and the insulating material, the third slot being at an interface between the inner sheet member and the insulating material on a side of the first outer sheet member, and the fourth slot being at an interface between the inner sheet member and the insulating material on a side of the second outer sheet member.