Door closers have internal springs & hydraulic oil with cylinders and valves that adjust the speed of the door closing and latching. Door knobs and levers and their functions (what you need and where) A lot of people use concealed door closers such as Perko concealed closers on Fire Doors where they feel a door closer will ruin the interior design. This function can be adjusted so that you can allow a longer closing time if the door will be used by the disabled, the elderly or the young enabling them to pass by safely. We have pocket door hardware in a variety of finishes to compliment our door hardware products or those you may already have. Even though different brands use the same finish code or same finish name, doesn't necessarily mean they will be an exact match.2. In fitting locks or latches to fire-resisting doorsets, the potential fire performance of a doorset can be reduced due to: Locks and latches are divided into the following categories: Where mortice locks are provided, the cut-out in the door should be the minimum necessary to prevent any voids which fire can penetrate. Slide Channel Considered aesthetically pleasing due to the arm not protruding into the room, The most common type of door closers sold are Overhead Door Closers which are available with various types of mounting positions, -Slide Arm-Fig 1 / Pull Side (Regular arm surface mounted)-Fig 66 / Push Side (Parallel Arm Surface Mounted)-Transom Mounted. Backcheck stops or slows the door during its opening cycle so that it can not be flung open violently and damage walls. If you have a much larger latch than shown here, you likely have a mortise lock. Upgrading your handle set is an easy way to do so. For the operable side you would order a privacy or passage knob and install it just like you would on any other door except the strike is installed on the edge of the inoperable door. All dedicated fire doors, other than those to locked cupboards and service ducts, should be fitted with fire door closers. Cylinder Key operated device contained in lock or latch. for the best tips and tricks in the trade, and the best deals across our range. Letter plates should ideally be positioned in the lower part of the door and should conform to BS EN 13724: 2013. Requirements and test methods, BS EN 1670: 2007 Building hardware. Closet rods- Yep, we have these too. document.write(new Date().getFullYear()) Nob Hill Hardware. Experience shows that convenience often takes precedence over safety and building users may seek to disable or otherwise undermine devices that inconvenience them in carrying out their work. A password will be sent to your email address. Usually fitted on office doors, loft conversions or kitchen doors where the door closer is to be fitted inside the room. Tags:dorgard fire door hardware fire door hinges fire door holders fire door retainers free swing dire door closers freedor, March 15, 2011[Last updated: February 26, 2021], 2022 Safelincs Ltd Select a style you like - Just pick the look that is right for your home.3. Handlesets are available with single cylinder or double cylinder deadbolts, or as a dummy set. Requirements and test methods. The bore hole is the large hole where the actual door knob is inserted and mounted. When choosing hardware, it is important to consider the style of the door, the use of the door, and the budget. Perhaps you have been told by building control that you need to fit a door closer - your builder suggests a type of door closer - you google, and a mirage of options appear in front of you. Most exterior doors are also pre-drilled for deadbolts. If their sole function is to close the door with a latch, when they have done so any damage suffered will not affect the integrity of the door. Before choosing the best solution for a fire door retainer, a site-specific risk assessment should be carried out and the following criteria should be appropriately applied: . They are usually fitted at the top of the fire door and exert no force on a door leaf during normal operation. Acoustic fire door retainers, such as the Dorgard, are fitted at the bottom of a fire door and can lock a fire door in the open position by pushing a plunger down. As the latch is the only holding device on the closing edge it is important that it should be strong and that the nib of the latch should engage into the latch plate at least 12mm to ensure that the closing edge will not spring open when the door deforms. Available in a variety of sizes. e-Hardware are committed to ensuring that your privacy is protected. All of the available functions and often coordinating deadbolts are on the same page so you don't have to search and re-search to find all of the different functions you need. It is important that you know why door closers are needed to understand their importance. In this case, a lot of people prefer to install a double cylinder deadbolt. The method of achieving this may be either automatic or manual, depending on the type of release mechanism installed, but compliance with this will be a matter for the management regime of the premises/workplace. House Numbers are a more common alternative of address markers. Extended flap latch plates are advisable for 60 minute fire doors. The inside portion of a keyed entrance knob will vary according to manufacturer. Not sure where to start? French doors come in a variety of configurations. Doors fitted with release mechanisms should be provided with appropriate signage: e.g. What you have is an old mortise box style knobset. This function is usually adjustable and can give a delay of up to two minutes however most doors only need five to ten seconds delay. We offer a no quibble 30 day returns policy, second to none friendly expert advice, customer service and after sales. We can key your entry set alike the rest of your doorknobs if you order the same brand. Requirements and test methods *, BS EN 1125: 2008 Building hardware. Dogging mechanism Mechanism fitted to an emergency/panic device for holding the bolt head(s) in the withdrawn position until manually or electronically reset. Door hinges- We have these available in a variety of finishes and styles for interior and exterior doors. Plastics and aluminium handles and knobs will be destroyed on the fire side but this may not have a serious effect on the integrity of the door if steel spindles are provided. Dismiss. Cabinet knobs- Dress up your cabinets with cabinet knobs in a variety of finishes. You'll want to check your backset, the bore hole size, cross bore size and the thickness of your door. Where they are used:Keyed entrance doorknobs are generally used on exterior doors of the home, the garage and the door between the garage and home. Basic Door Hardware Terms For example if you door needs to stay closed for 1 hour in a fire but you buy a door closer with a 30 minute fire certificate it will not do the job you need it to. What is the difference? We care for our customers and are proud of our reputation. Where escape route doors are part of the final exit from a building, there will be some additional requirements for security of the door against intrusion and burglary. Requirements and test methods, BS EN 12209: 2016 Building hardware. We also sell hook auto door holder, hinge pin door stop, door holder, overhead doorstop, and door stop and hook. You'll want to measure the length of what you have so you can be sure to order the right size.Materials Needed for French DoorsFor the Operable Door - 1 Privacy, Passage or Entrance knob and Deadbolt.For the Fixed Door - 2 Dummy Knobs and two flush[or surface] bolts.Enough Hinges for both doors.What if you have a new set of french doors without holes?Have the door shop or your carpenter prep the door for the above configuration. The release mechanisms should operate within 20 seconds of the fire alarm operating. Nob Hill represents the leading manufacturers. Some manufacturers have a kit that you can use to make a passage knobset work without a latch. Examples of where this fitting is needed are; - On an outward opening external door (to keep the closer inside the building and out of the weather). Door knobs and levers and their functions, Deadbolts - Single Cylinder Vs. They may include internal acoustic sensors to detect the sound of smoke alarms or can be linked to the fire alarm system. If at any time you want to look at something else, just click a category at the top or click on the site map link at the top to view links to every product organized by brand. Make sure to check out our door knob parts diagram! This same rule applies to doors that use privacy levers. Double Cylinder Adjustable closing speed determines how quickly the door closes after being opened. Door coordinator devices. The door closer size required depends on the size and weight of your door. By continuing to use our site, you agree to our use of cookies. Deadbolt Bolt that is operated in both directions by a key, handle and/or thumb turn. It must not be possible to stop the door closer from working except when the correct tool is used. While many door knob manufacturers ship their hardware with an adjustable backset, some do not. Thats why its important to check your hardware regularly to make sure everything is in working order. Steel and brass hinges are effective for a half-hour door, but only steel hinges will be satisfactory for a 60 minute fire door (FD60). Both acoustic fire door retainers then listen for the sound of smoke or fire alarms. Once you are familiar with the different types of doorknobs that are available, you'll be more confident that you are ordering what you need. - A door that opens into an area where all other doors open the other way (If the closer were fitted to the pull face it would be the only door with a closer showing and it would look odd). If your doors are prepped in this manner, start shopping our huge selection of door hardware as most products will fit your doors. For the best experience on our site, be sure to turn on Javascript in your browser. If you have any doubt or need reassurance that you are purchasing the correct door closer, please contact our customer service team on 01206 213499 and they will be able to advise you. For the best experience on our site, be sure to turn on Javascript in your browser. Door Hardware ChecklistMake sure you get all the home hardware you need. If you are using a polished brass finish for an exterior application, you'll want ot order the Polished Brass PVD finish which is designed for exterior use.> Pewter is sometimes a flat finish, sometimes a antiqued nickel glossy type finish - this will vary from brand to brand. Free-swing door closers are able to hold fire doors open in any position desired and allow the users to handle the door as if no door closer was fitted. The door closer you purchase should: Be suitable for the door is will be fitted to and be suitable for the type of traffic using the door; Close the door reliably and completely after every opening cycle; operate in a safe manner so users are not harmed and the doorset is not damaged; Hold the door closed against any anticipated air pressure where the door has no latch fitted. Door & Hardware Federation.