Abstract: Apparatus (100) for fitting as an installation between an internal wall (159) of a building and a façade (170) of said building in order to seal a gap (175) between said internal wall (159) and said façade (170), the apparatus (100) including a building profile (101) having a first member (113) and a second member (115) integrally formed with said first member (113), and a first resilient and intumescent component (124) fitted to said first member (113) and abutting against said façade (170), wherein said apparatus (100) provides and maintains an acoustic and intumescent seal between said internal wall (159) and said façade (170).

Abstract: A building stud (2) comprising a web (4) and first and second flanges (6, 8) formed with and depending from said web (4); a member (18) formed in said web (4) by a continuous cut (10) made in said web (4) and located in an operable position in which the member (18) is not located in a plane (21) of the web (4); an aperture (24) formed in the web (4) resulting from the member (18) being located in said operable position; wherein at least one conduit or cable (38, 40, 42, 44) is adapted to be secured to said member (18) and extends through said aperture (24).