A Guide to Sliding Door Materials

There are many different materials one can choose for a sliding door. There are sliding doors that are made of solid materials such as timber or aluminium in addition to the glass panels many contain. When you are choosing the right kind of material for your door, you should take into account the economics of the decision as well as the aesthetics. A good-looking door is important, but it can undermine your budget if it does not insulate your home from heat transfer. Furthermore, you need to make sure that it protects you from any kind of burglary or home invasion. There are advantages and disadvantages to many different materials.

Engineered Timber

Timber is a great choice for your home’s external sliding doors. Timber is a sturdy material that insulates your home very well. Hardwoods and softwoods contain thousands of tiny air pockets every square centimetre. These air pockets actually trap heat and keep it from transferring in or out of your house. Timber has some disadvantages, though. Namely, timber is a porous material. That’s what it makes it a great insulator, but that’s also why you have to keep it sealed at all times. You need to make sure you are sealing it against moisture.

Without a good seal, moisture can invade the timber, causing it to warp or swell in high moisture conditions. Furthermore, it will slowly degrade the wood. One of the best ways to avoid all of these fates is by buying a door made from engineered timber. Instead of just cutting and machining timber straight from a tree, engineered timber is actually made of thin strips of timber that are then glued together. They are virtually indistinguishable from unprocessed timber, and they insulate much better. Additionally, the different layers of glue add to its insulating properties.


Aluminium is another popular choice for sliding doors. While it does not always insulate as well as timber, it is very lightweight. An aluminium door can be made very thin while also being incredibly strong. That’s why airplanes and automobiles feature so much aluminium; it is lightweight while also being very trustworthy. It’s a good choice for a door, plus, it can be painted very easily in order to change the aesthetics and make it better match your home.

Best of Both Worlds

If you just can’t decide between the functional practicality of timber and the powder-coated aesthetics of aluminium, then you’ll be glad to know you don’t have to. With a composite door, you can get one that is made from timber with an aluminium cladding. The timber serves to insulate your home while the aluminium offers its strength and powder-coated exterior. A composite door will insulate as well as a timber door, but not have the moisture concerns. It will also protect you as well as aluminium without worrying about heat transfer.

In the end, however, the most important choice is not the material of the door but the manufacturer. You need a manufacturer who will produce an incredible door at a reasonable price.

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