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In a short interim period between revisions to Approved Document L, we take a breather in this year’s doors and windows overview to look at new products and reflect on relevant design and specification principles and considerations, also taking in ironmongery, blinds and lockers.
A window on estimating from BCIS. Here, Neil Barnett, resource cost services manager of BCIS, the Building Cost Information Service of the RICS, provides the latest sample cost breakdowns for various types of doors, windows and curtain walling.
Controlling the entry of solar heat and light has considerable effects on the energy needs of a building. External blinds may be just one of the options available to specifiers, but they are highly effective.