Patent ID: 7827763

Claim:
A floor or ceiling assembly comprising: a first I-joist and a second I-joist spaced along a perimeter of a floor or ceiling and said first and second I-joists each having a length, a web, and an upper flange and a lower flange; a first support block and a second support block; wherein the first support block is attached to the web of said first I-joist and has a load jack portion that extends along side surfaces of the upper flange and the lower flange of the first I-joist, and a web support portion that contacts the web of the first I-joist, wherein said first support block does not contact any lower surface of the upper flange of the first I-joist does not contact any upper surface of the lower flange of the first I-joist; and wherein said second support block is attached to the web of said second I-joist and has a load jack portion that extends along side surfaces of the upper flange and the lower flange of the second I-joist, and a web support portion that contacts the web of the second I-joist, wherein said second support block does not contact any lower surface of the upper flange of the second I-joist and said second support block does not contact any upper surface of the lower flange of the second I-joist; and an insulated blocking panel located between the first and second support blocks and transverse to the lengths of the I-joists, said insulated blocking panel comprising: an insulating portion and a structural portion attached to the insulating portion, wherein the structural portion is rigid and vertically-load-bearing.