As standard, the seals are all 4mm deep, but the widths vary to accommodate different amounts of intumescent material. The most commonly used widths are 10mm, 15mm and 20mm. In general, the 10mm and 15mm widths are used for FD30 doors, whilst the 20mm width is used...
Fire Door Keep Shut This is the most commonly used fire door sign. It should be fitted on fire doors that are self closing and used for the passage of people. One should be mounted on each side of each door leaf. A fire door should never be held open in any way...
Any hinge tested to BS EN 1935:2002 will be graded on this scale. BS EN 1935:2002 classifies door furniture by using an 8-digit coding system. Each digit refers to a particular feature of the product measured against the standard’s performance requirements. The Hinge...
Door Width It’s obvious that a wider door will put more strain on a hinge than a narrow door. As a simple rule though, if the door height is at least twice the width then there is no additional side loading that needs accounting for. However, if the door width is more...
Intrumescent Protection The first thing you must be sure of is that the flush bolt you are proposing to use has been included in a successful fire test, and what intumescent was used in conjunction with the bolt in that test. Our BFA030 flush bolt was tested with a...
