42 BUILDING FABRIC - DOORS & WINDOWS
aperture of 260 x 40 mm and be fitted with a security hood to restrict hand or arm entry
• Door rails, stiles and muntins should be a minimum of 44 mm thick
• Multipoint locking system should meet either PAS 3621, PAS 24 or BS 3621
• There should be a minimum of 400 mm and a maximum of 600 mm between the two locking points
• Alternative lock configuration could be a mortice lock confirming to BS 3261, BS 8621 or BS 10621 but with an external locking override and surface mounted rim lock conforming to the same standards.
WINDOWS Ground floor, basement and other easily accessible windows should meet the PAS 24:2012 requirements and have proven criminal reduction construction features. Further window requirements of Approved Document Q include: • Frames should be mechanically fixed to the structure of the building
• Any glazing which, if broken, would permit release of the locking device on the inside of the window should meet class P1A in accordance with BS EN 356:2000
• Double or triple glazed units need incorporate only one pane of P1A glass.
A SECURE FUTURE The introduction of Approved Document Q has been an important step in improving standards of product security and protecting new build developments. However, it is important for specifiers to take the time to understand the
regulations, as selecting products that fall short of the prescribed standards can end up being extremely costly in terms of both time and money.
Jamie Johnson is senior category manager at IronmongeryDirect
Over 25 years of British heritage and expertise PORTHOLES LOUVRES
With over 25 years of British heritage and expertise Hallmark Panels Ltd are an industry leading manufacturer and supplier of composite doors, UPVC/PVCU panels & aluminium doors/panels. As a BSI 9001 Registered Company, Hallmark Panels Ltd are constantly evolving to ensure they meet the latest industry security, safety and environmental
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information@hallmarkpanels.com
www.hallmarkpanels.com Ultimate choice for burglar resistant windows FINGER PROTECTION DOOR STAYS
Don’t forget, sometimes there is a requirement for roof windows to meet the security requirements of approved document Q. If involved in a new build project,
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VELUX can provide a range of roof windows which do just that! Available in three internal finishes and a wide range of sizes, VELUX can offer a product to suit your project needs. The GGL/GGU 70Q VELUX roof window offers the highest burglary resistance class on the roof window market, hosting an array of security features that help dissuade anyone from trying to break or dismantle the roof window –The ultimate choice in terms of burglary resistant roof windows!
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