Buying aluminium front doors means enhancing a property with great designs, slim, strong frames, excellent security as well as improved energy efficiency. Our guide to some of the best aluminium front door brands gives more information. In this article, we explain more about security, insulation and the all-important aluminium panels making up most front doors.
What you should know when buying new aluminium front doors
Perhaps you’re looking to replace a dated front door or looking for the best product for a new build home. The range of front doors available in the UK today is substantial, as are the price points. Whether your new front door contrasts with your property or comes designed to work with its existing style, aluminium doors all meet this purpose.
If you’re happy with a budget door, these will give you a fit-for-purpose product. The better-engineered products give you more by way of quality, specifications, U-Values and engineering. Quality matters significantly when buying aluminium front doors.
The aluminium panel. Choose carefully
Virtually every aluminium front door on the market uses a decorative aluminium panel. First of all, it’s worth knowing that there aren’t the same standards to aluminium panels that you get with glass, doors and windows. Panels generally don’t fall under the same strict technical standards and requirements.
Glass comes with set safety standards. For instance, CE Marking and Declaration of Performance. BS EN 12150-1 is another standard around glass tolerances, flatness, fragmentation and the actual glass thermal characteristics. Then you have BS EN 1279 and this standard is about units passings tests for moisture penetration. Of course, many people already recognise a Kitemark as a symbol of quality. Glass units have this too.
Panels broadly speaking do not have anything near the standards expected of glass. A basic aluminium door panel comprises 0.6mm or thicker aluminium sheet, powder coated to a desired colour. These aluminium skins bond onto different inner cores. Some of these are basic polystyrene, others have a combination of polystyrene or timber. Some even have steel within the core.
What does this mean when choosing a new front door? In simple terms, a better front door product is the one using a full integrated door panel giving the appearance of a flush door. This gives you a much higher quality and better-engineered product than a door using a ‘glaze-in’ panel. The glaze-in method is no different from fitting a piece of glass.
You’ll get a better product, even if it’s more expensive, where the door is made as one unit with the panel. There are some very cheap aluminium door where the installer buys an unglazed door leaf and an aluminium panel separately from an alternative supplier. These tend to be the cheapest types.
As the image below shows, a quality aluminium front door looks flush, seamless and without the glazing line of one where an aluminium panel replaces the glass.
The glass you get in your new front door
There’s lots of marketing messages around how good the insulation of the glass is in the door panel. And mostly this is correct. Most aluminium door panels come with double or triple glazed units. Furthermore, all of these use toughened or laminated glass.
However, it’s worth looking deeper at the performance of the glass. If you’re looking at an excellent front door like Spitfire S200 or S500, the glass in these, even at 28mm or 40mm thick, this won’t be as good as a door such as the Glasswin front doors using quadruple glazing as standard. Glass doesn’t give you anywhere near the low U-Values of an aluminium panel. But if you choose a better performance glass unit, the overall door performance improves as a result.
What security means on a new front door
As you do your research around new front doors you’ll come across all sorts of high security messages. Secured by Design, Document Q, RC2, PAS24 and others. It’s easy to see a security rating or badge and presume your door is security tested.
The good news is, most good brands of front doors have a security rating. What you may not know is what configuration and specification of that same brand of door passed the test.
The door systems companies submit for testing is usually a particular type and with specific glass, hardware and perhaps security enhancements you don’t get as standard with your door.
Hörmann is another fine brand of front doors. One of many doors by Hörmann with a Secured by Design (SBD) rating is their ThermoPro Steel Entrance Single Leaf Doorset Range . But study the product submitted for testing and it’s a half or part glazed door, opening inwards, without a letterbox.
As another example, the Spitfire S500 also has the required security certification, RC3. This is for a door with a triple glazed laminated glass unit, fitted with Schuco hinges, a Schuco low threshold, Siegenia LFU Lock, Winkhaus three-star cylinder and Riechmann Handle. The model tested is a single door at 900x2100mm high.
The crucial information here is your door must be the same as the model submitted for testing. So if you’re choosing a door having perhaps an automatic lock or toughened glass. Maybe you require a different handle, or your door has a sidelight and is wider and taller than standard. Your chosen product may not have the specification of the model that passed the security tests.
Does this mean you get a more secure door or you should worry? No. However, it’s worth knowing when choosing your new front doors. Often you need to ask for the high security upgrade – don’t assume it comes as standard. The same applies to those doors offering automatic, keypad, finger-print and other locking options. Many front doors aren’t security tested with a letterbox. Check these doors have security certification with any optional extra hardware.
The good news is, a quality product comes with several high security lock types, whether operated by a key, mechanically, automatically or a handle. The door cylinder is also a crucial part of the lock experience and should be a highly rated type. Check for anti-picking, drilling and bumping.
The door hinges additionally play a part in the door security. Look for robust hinge designs, hinge pins and ask for an explanation of the components that make up the door set.
Understanding U-Values on your new front door
U-Values on doors and windows are widely marketed. The lower the U-Value the better the performance of the door. Aluminium panels actually provide excellent U-Values as a stand-alone product. In fact, many panels provide better insulation than glass. But don’t just take the performance of the panel as an indicator.
When reading U-Values for your new front door, it’s the entire doorset that matters, not the panel material on its own.
Other factors giving you good U-Values is the glass thickness and type. The aluminium profiles have a thermal break and this plays a part too. It’s also important to consider the overall thickness of the door leaf, glass and panels. A quality aluminium door will come with a panel well over the 28mm provided by the glaze-in types. The door leaf should also be more than 40mm thick on a good door brand, again helping achieve low U-Values.
Other things to look for when buying new aluminium front doors
Study the paint quality, look at the door joints, feel the quality of the door hardware. These are just some of the first visual clues to a quality product.
Check out how the glass meets up with the aluminium panel. Are the joints neat and seamless? The overall assembly of the door and how it feels is another great visual indicator of quality. Yes, aluminium is light and strong. However, a good front door won’t feel light and flimsy when closing. It should close with a reassuring thunk, feel solid and robust.
There are some great doors on the market and the quality is evident. Highly engineered hinges with security pins, even hidden into the frame and branded with Reynaers, Schuco, Yale, Winkaus or other trusted brand tells you there’s a great system and components in the door.
If a door brand takes the trouble to offer top brand hardware, quadruple glazing, high quality hardware, this should reassure you as to the quality and reliability of the product.
Of course, ask about the guarantee coming with the product and what exactly it covers. Some doors come with only a five year warranty on the glass despite being marketed with a 10 or 20 year warranty.
Finally for the paint finish. A good quality door will come with a paint finish professionally applied by a certified and quality assured powder coating company.
How much should a new front door cost?
A basic PVCu door is the cheapest type of new front door on the market. These are then followed by composite doors such as Door-Stop, Solidor, Truedor, and other brands. These typically start at about £1000-1200 supplied and fitted.
Timber doors usually start at about £2500 upwards depending on the material, hardware and other options.
Aluminium doors start at around £1500-£1800 for a good mid-range model rising upwards for the premium brands.
Above all, you get what you pay for. You need only to look at some of the faded front doors in new build homes to see a cheap product and how it looks after only a few years of use. Aluminium doors need minimal maintenance and a routine clean with a mild soapy solution to keep them looking new and fresh.
More information about aluminium front doors
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