| 摘要 |
The invention relates to cavity closure assembly 1 for an aperture in a cavity wall and comprises a plurality of elongate frame elements connected together to form a closed frame. A cross-section of at least one of the elongate frame elements comprises a closure portion 3 for building into the cavity wall (7 figure 3) and a reveal portion 5 for defining a reveal surface of the aperture. A first edge 17 of the reveal portion is arranged to protrude from an unfinished surface (15 figure 3) of the cavity wall. Later embodiments relate to a cavity wall comprising said cavity closure and method of using said cavity closure. |
