Alitherm 500 flush casement windows

Give your homeowner customers the latest Alitherm 500 flush casement windows in aluminium. Designed to transform residential property with traditional and contemporary windows, having a smooth vent on the outside.  We make these high quality flush sash windows for your residential projects, recreating the classic looking flush window in the latest insulated aluminium sections.

Our latest product in our extensive range of trade-supply aluminium windows, adds even more choice for your new build or property renovation projects.

Alitherm 700 Flush casement windows

Trade-Supply Flush casement Alitherm 500 Windows.

The Alitherm 500 flush system is your go-to product for timber-replacement and timber-look windows in powder-coated aluminium.  With thinner sightlines than PVCu flush windows, you get an authentic-looking alternative for wood windows. You also get a contemporary looking product too for new extensions, your housebuilding projects and renovations.

A credible option for timber-look windows or where you want a different appearance from conventional lipped casements.  Choose our Alitherm range offering thermally insulated profiles, elegant sightlines and sympathetic with all types of traditional or modern properties.

We provide you with these high-performance flush casement windows to further enhance your product range.  As you would expect from a latest-generation window, you get outstanding thermal performance, high security, weather resistance and a vast choice of colours.

Therefore, choose these windows as your timber-replacement aluminium option, or any other type of installation.

Our modern factory and machinery ensure we offer excellent prices and fast lead times on standard and special colour aluminium windows.

  • U Values up to 1.4 W/m²K, Window Energy Rating B and BRE Green Guide A+ with the right specification glass units.
  • Available as side hung, top hung, fixed pane or dummy sash designs.
  •  Kitemarked product, including PAS24:2012 security and high weather performance to BS6375.

Where to use Alitherm 500 Flush Windows.

The 59.5mm deep outer frame lets you use these windows to replace old windows with minimal disruption to internal plaster lines.  New build openings also suit this frame dimension for fast installation.

Use these windows as ground and first-floor windows. Every window comes as standard with multi-point locks, quality friction stays and egress hinge option to first-floor windows. Restrictor stays, trickle vents and window handle colours let you specify your windows to suit the site condition.

Every window comes made to your precise sizes and design with beads, cills and ancillary profiles cut to size, for fast and easy installation. Choose from slimline frame and sash profiles available in just three typical profiles for easy specification and selection. There is even an aluminium astragal bar option, creating traditional timber-look windows too.

  • Top Hung Vents at 1400 mm maximum width and 1400 mm height.
  • Side hung vents at 700mm maximum width and 1400mm height.


Colour options and stock colours.

We make our powder-coated aluminium Alitherm products in any of the standard and special Smart Systems range of colours.  White, black and grey colours available on fast lead times. Or choose any of the non-standard colours such as metallic, dual colour, Sensations and Cotswold textured finishes.

Also available is the outstanding Alchemy anodised effect finishes for contemporary colours and aesthetics. In stock, you will find:

  • Standard White Gloss
  • RAL7016 Matt – Anthracite Grey
  • RAL9005 Matt – Black
  • RAL9007 Metallic
  • Standard RAL – contact us for lead times and prices.

Get a quote today for Smarts Alitherm 500 Aluminium Windows.

Five simple steps are all it takes to get a quote for supply only aluminium casement windows. We then get back to you quickly with a quote and lead time.

  • Your window sizes, styles and designs with mullion/transom dimensions, viewed from the outside.
  • The frame RAL colour or your frame colour inside and out if different.
  • Window handle colour and style required or contact us for our range of options.
  • Choose any accessories such as trickle vents, cills, trims and add-on sections.
  • Your required glass either glazed or unglazed.

Every one of our windows receives a full quality inspection. We deliver to your works or on-site, fully protected and ready to install.  Ancillary profiles such as cills, corner posts, frame extenders and add-ons also supplied cut to size ready to install.

Comments are closed.