RCM Y-Wall Cement Building Board 12mm Spray Resistant to the passage of

Resistant to the passage of water vapour

Phillips No2 recess for a positive drive

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Single ply mechanically fixed

RCM Y-Wall Cement Building Board 12mm Spray Resistant to the passage ofRCM Y Wall Cement Building Board 2400mm x 1200mm x 12mm RCM Y wall is a high quality flexible calcium silicate based fiber cement building board, perfect for use as a fire rated sheathing board. Offering excellent fire properties as well as high levels of dimensional stability,RCM Y wall is an exceptional board for use in multiple applications. RCM Y wall is used primarily as a fire rated sheathing board or building board. Used extensively on both