2 Also online at: www.dijonline.co.uk Fire Doors, Safety & Security key as a fire-rated product incurs additional charges. A full article is available on the Strongdor website, which covers an in-depth deep dive into Fire-rated Vs Fire escape doors. Level of security When recommending the most suitable security rating it is important to consider what the door is looking to achieve? Is the door in a well lit public place where an intruder would likely be interrupted or seen? Does the door need to give a visual deterrence to potential criminals or does it need to withstand substantial attack for a sustained amount of time? In most cases, a PAS 24, Secured by Design Securidor would offer a suitable solution. Fitted with an upgraded 3-star cylinder alongside a high-security escutcheon, it offers both protection and value. Higher levels of security rating tested to LPS 1175 are also available including SR 1,2,3, and 4, which have been tested to withstand attack using specific tools for set time frames. Noise reduction – Acoustic Acoustic ratings refer to the degree to which a steel doorset reduces the transfer of sound from one side of the door to another. The level required for each project will depend upon what sound they are looking to either keep in or out. For example, a project at the Reel cinema in Blackburn specified a 46 dB rating for an Acoustidor to be located as the emergency exits from each screen. Whereas the main Steeldor range offered by Strongdor has a 34 dB rating as standard. When choosing an acoustic rating for example a 41dB door, the rating refers to the amount of Decibels the door will reduce noise transfer by. Threshold As simple as it sounds, the selection of the most suitable threshold is paramount to ensuring water tightness and accessibility. A standard 96mm threshold will be suitable for use in a lot of cases, especially where the inside of the door is a warehouse or industrial building. Whereas if the door is exposed to the elements and is required to provide resistance to water ingress, for example when it leads into a carpeted office, then an AM 3 or 5 threshold would be required. All these thresholds are also Part M compliant and therefore suitable for accessibility requirements for public buildings. Strongdor offers a wide range of Steel door ranges, spanning all the questions covered above. If you are ever unsure of the best type of steel door or feature to specify, the steel door experts at Strongdor are happy to help. Their website offers a range of useful information including technical specification sheets, In the know section of articles and useful videos. Contact the team on 01524 297463 to get your quotation today.
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