Technical Downloads

Start downloading specifications & guides now

Window Warehouse offers its customers and members a wide range of marketing support, downloadable guides and technical information. There is a full range of brochures you can download for reference and to show customers as well as CE marking documentation and technical specification sheets.

Our exclusive trade-only members section is constantly being updated with information about marketing activities you can take advantage of and current literature to ensure you are always up to date.

How to download technical data and guides:

  1. Click on your chosen subject or product and a drop down menu will appear.
  2. Click on your chosen download and a PDF version will open in a new window.
  3. Save or print your download.
Window Warehouse

About Us

Malcolm Cake started Window Warehouse in 1986 and over 30 years later we are still serving some of our original customers. We are one of Halo’s longest standing trade fabricators and manufacture in Portsmouth.


We test our products to BS6375 and PAS 24, meeting the latest Document Q Building Regulationrequirements for new buildings.

Independent Network

Since 1996 over 230,000 homeowners have chosen a Network VEKA approved installer to fit their windows, doors or conservatory. Now developed into the Independent Network, Window Warehouse is an Approved Trade Fabricator so talk to us about our outstanding installer support.


Our team is on hand to give you all the support you need. Our experts can give you technical and installation advice and we offer professional marketing and business support with our exclusive Haven retail brand promoted across Hampshire and the South Coast.

Quality First

Our windows and doors are manufactured to ISO 9001:2008 Quality Assurance and CENSolutions CMS Mark (CMS 6023W): Factory Production Control System compliance to EN 14351-1:2006.

Halo from Window Warehouse

Halo Installer Scheme

Powerful marketing support and exclusive sales leads in your area are two advantages of the free-to-join Halo Approved Installer Scheme. As one of the longest standing Halo Trade Fabricator partners Window Warehouse.