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Thermo 80 Alu

Thermo 80 Alu
Thermo 80 Alu clad window


Engineered (laminated) timber profiles

Pine or Oak timber frames

Durable, low maintenance external aluminum cladding

Factory applied paint or stain finish

Tilt & Turn, tilt only or turn only - all inward opening

Siegenia Titan AF opening mechanisms

Circumferential fittings with micro-ventilation and anti-burglar catch

Factory fitted 24mm double glazing or 40mm triple glazing

Internally beaded by secret nailing

Overall U-value of (approx.) 1.2W/m2K - double glazed or 0.9W/m2K - triple glazed

Shaped opening windows possible

Competitive price

10 year guarantee*

These inward opening, tilt & turn windows are an upgraded version of the all timber Thermo 80 system with the noticeable difference of external aluminium cladding which provides a strong, durable external surface which requires minimal maintenance which both reduces future costs and improves the life expectancy of the product. Enhanced security options make this range able to comply with Secured By Design specifications and also has many other optional accessories for safety, security and comfort at a very competitive price.


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Thermo 80 Alu windows are inward opening casements with a tilt & turn function. Several key types and functions are available:

Fixed window

Tilt & turn - first 90 degree turn of handle gives a tilt function, a full 180 degree turn allows the window to turn inwards

Turn & tilt- first 90 degree turn of handle allows the window to turn inwards, a full 180 degree turn gives a tilt function

Tilt only- bottom hung inward tilting window for ventilation

Tilt & turn balcony door - same function as tilt & turn window but with a deeper bottom rail. Available with handle inside only.

Turn only balcony door - inward or outward opening door with deeper bottom rail than that of a window. Available with handles in only.


Opening lights and fixed lights can be built in one frame with endless design possibilities´╗┐.

More info...


Thermo 80 products can be supplied double or triple glazed. As standard the units are double glazed 4-16-4mm (4mm pane of glass, 16mm gas cavity and a second 4mm pane of glass). The glass unit is filled with Argon gas as standard and has a soft, low-e coating giving a centre pane U-value of 1.1W/m2K (overall window U-value of 1.2W/m2K).


Triple glazed units are 4-14-4-14-4mm (4mm pane of glass, 14mm gas cavity, 4mm pane of glass, 14mm gas cavity, 4mm pane of glass) with a centre pane U-value of 0.6W/m2K (overall window U-value of 0.9W/m2K).


SAA key locking Hoppe handles

Trickle vents to the outer frame = trimvent

Trickle vents to head of sash = spilvent

Opening restrictors (child safety catch)

Protective foil to glazed units for protection

Hau-Tau lever fittings for high level windows.


All timber is finished with a choice of stains or paints. Paint choices are from the RAL Classic range.

All paints and stains that are used are water based, micro-porous products from Akzo-Nobel. Actual timber samples are sent out upon receipt of order to help assist in the correct colour choice for your project.

The external aluminium cladding on the Thermo 80 Alu range is Polyester Powder Coated (PPC) to a choice of paint finish from the RAL Classic range. This range has over 200 colours to choose from.

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