Window Board 90°/135° Internal Corner Joint
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Description
Window Board Plastic 90°/135° Internal Corner Joint
For use on rounded 23mm window sill boards.
This plastic corner joint is double-ended, so one piece can be used to join two window sill internal corners. One end is used for 90° corners, while the other which is designed for 135° corners can be used to fit anything from 120-150° corners.
This internal corner joint is for use on rounded 23mm window sill boards - it's ideal for laminated window boards.
Features & Benefits
- Available in three popular colours, they are a great choice for matching with existing window sills. The chocolate brown end cap can be used with mahogany and rosewood laminated window sills, while caramel is idea for oak, light oak, and sherwood laminated window sills.

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Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
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We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.