What should you choose? TIMBER or ALU CLAD

As a manufacturer of windows in timber and windows in alu clad, it is hard to say what the best solution is for you. The choice depends on both the characteristics and aesthetics of the building. Instead we will highlight the properties of both solutions and thereby hope to provide a little help along the way.

Windows in timber (SAPINO & MOGANO)

Generally, wood windows are the classic choice for many people. Wood is a remarkable material. With proper maintenance and proper professional structures, the wood will still appear completely “fresh” for many years.

Wood is a material that is easy to process with excellent insulating properties, which also makes it cheaper to produce windows and doors in wood.

Many people choose to make the classic choice for aesthetic reasons, when developers or builders replace or build new windows.


The SAPINO series is made of heartwood from the timber forests of Northern Sweden and Finland, where the trees are slow-growing due to the harsh climate, forming a solid, hard core that is very stable and moisture resistant. All external surfaces and joints are 100% heartwood.


MOGANO is made of oak from industrially cultivated plantations, where new trees are replanted after the trees are felled. STM’s oak is sorted according to its own regulations on colour and weight, amongst other things.

Oak has a naturally high content of various oils and salts, making the wood highly resistant to rot and mould.

Alu Clad window (TINIUM)

- maintenance-free


A combination of alu clad is a solution that retains many of the innate benefits of wood, such as warm, curved surfaces, as well as the inherent aesthetics of the material.


Alu Clad components require almost no maintenance of the exterior surfaces and ensure a very long life protection via the protective wood structure in the form of the building envelope in the aluminium components.

The insulator, embedded in the structure between the outer aluminium envelope and the interior wooden structure, is made of a durable composite that forms a thermal bridge between the envelope and the interior wooden structure.