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- Technical and construction specifications
- Care and fitting instructions
- Ordering
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Bay windows enhance many developments and provide aesthetic design solutions in both traditional and modern installations. Be it a replacement for an existing window or a new-build installation the following pages are designed both to help you through the process of correctly ordering your bay window and to show some of the bay window design solutions available. From Oriel to Square JELD-WEN has a bay window to suit your needs. Our simple to use bay window order form is available from our stockists or direct from us. Call 0845 122 2890 to request your copy.
Downloads - Specification and Detail
Sovereign Stormsure Bay Window
Sliding Sash Bay Window
Important
Bay windows are not designed to be load bearing – if in doubt as to your requirements contact either your architect or JELD-WEN UK on 0845 122 2890. A completed bay window form is required with every order.
Installation and Building Regulations Part ‘L’
Bay windows, whether square or splay (angled), need careful consideration when you are planning building detail and installation. The Building Regulations Approved Document ‘L’ require the thermal performance around openings to achieve levels that some traditional methods of bay window installation cannot meet. (The same applies to plain flat windows, but in those situations the solution is relatively straightforward.)
Traditionally, the various types of bays were set against plain brickwork with the joints made by butting the jambs, or corner posts, up to the brickwork. In some situations, a ‘birds-mouth’ detail was used to set the bay window into the corner of the brickwork (this detail isn’t shown here – please call us on 0845 122 2890 if you need more information). Most of these details create a ‘cold bridge’ at this joint, which is unacceptable under current regulations.
