RCM Y-wall is a flexible calcium silicate based fibre cement building board, offering excellent fire properties as well as high levels of dimensional stability.RCM Y-wall is used as a fire rated sheathing board. Used extensively on both metal and timber frame structures, the product is used behind all types of facade solutions, as well in floors and roofs offering a non-combustible classification.
RCM Y-wall has also excellent water repellence properties and is flexible and strong. It is RCM’s lightest sheathing board with improved workability. It can be cut, drilled and nailed offering many of the properties of timber.