Within the UK, building standards are controlled by the Building Regulations. Working guidelines are given through the publication of “Approved Documents” which cover the regulations in 14 “parts”. Pro-Fix Installations works within the guidelines and can advise customers on how to meet regulations in England & Wales.
The following is a summary of the “parts” which are most relevant to windows & doors with a brief insight into the practical implications.
Part BThis part covers Fire Safety and how escape can be made in the event of a fire.
Window designs allowing minimum opening dimensions and areas and meeting the stipulations of the Approved Document, are available from Pro-fix. Escape windows are available as flying mullions, tilt & turn and sliding sash variants.
Part FNatural and mechanical ventilation is the scope of this document. Revised in April 2006, a performance approach to ventilation now includes the Whole House and takes into account the floor area, number of bedrooms and occupants. There are now a number of ventilation systems the most common of which is System 1 utilising window vents and intermittent extract fans. We offer a range of trickle ventilators which will meet or exceed the required 5000 sq mm in habitable rooms and 2500 sq mm in wet rooms; either through the head of the window or as an overhead section.
Part KThis document concerns protection from falling, collision and impact and is relevant to ensuring that window designs guard against falling. Part N is also relevant here.
Part L1Concerns the Conservation of Fuel and Power and the limiting of heat loss through the fabric of the building (in dwellings). The window design must demonstrate compliance usually in terms of meeting a minimum u-value, however in the context of Whole House performance, a better than standard figure is often required. Pro-fix offers a 1.8 W/M2 k as standard but can achieve 0.8 W/M2 k if required.
Part MAccess and facilities for disabled people are covered in this document
Guidance on entrance doors includes minimum widths and low profile thresholds.