Cills major technical performance characteristics comply with BS1217:1997 & the UKCSA technical specification. Units are dry-cast in buff colour and generally available from stock. As with natural stone, cast stone sills may be subject to shade and texture variances. Addstone (UK) Limited operate a policy of continuous development and as such product specification and prices are subject to change without notice. Sills above 1405mm length cast in 2 pieces with 10mm joint.
