The last thing anyone thinks of when shopping for doggy doors is window installation. However, this Endura flap dog door shows just how convenient this style can be. It could be a window leading on to a balcony or upper level terrace.
This design features LoE glass panes which are not only strong and great for letting in natural light but also very energy efficient.
If you are worried about your security especially with ground floor level windows, the flap dog door for sash windows come with a very strong security cover. This allows you to close the flap when it is not needed.