Cellular B-Dek is a 1 ½″ deep cellular structural roof deck unit that provides a support surface for various types of roofing materials. The liner panel with Dek-Knek® Sidelap Attachment System provides a finished underside ceiling with self-aligning sidelaps and concealed fasteners. The acoustic version BCA-Dek features a perforated liner panel, providing a noise reduction coefficient (NRC) value of 0.70 when used with a rigid insulation. Fiberglass insulation batts are installed in the BCA-Dek cells at the factory under controlled conditions.
