Ceiling binders used in traditional pitched roof construction i.e., not trussed rafter roofs. Roof space is assumed to be accessible, thus both uniform loads and single concentrated loads are considered.Cross References:BS 648BS 4471BS 4978BS 5268:Part 2 BS 5268:Part 3BS 6100:Section 2.1BS 6100:Section 4.1BS 6100:Section 4.2BS 6100:Section 4.3BS 6100:Section 4.4BS 6399:Part 1ISO 3898CIB-W18-1NLGA 1979