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Narrowboat Windows – Boat Doors

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Narrowboat Windows – Boat Doors 2016-11-07T13:15:30+00:00


Traditionally Narrow Boat Windows and Doors are cold, drafty and attract condensation.

Our Modern Upvc Slim line double glazed Windows and Doors has all the advantages of residential windows and doors but with smaller dimentions to reduce sightlines of the frame and to accomodate the narrower wall construction found in Narrow Boats.

Benefits of our Narrow Boat Double Glazed Windows and Doors:

  • Extended caravan usage.
  • Increase’s Rent able / Resale Value.
  • Reduces condensation.
  • Excellent insulation.
  • No draughts.
  • Reduced heating costs.
  • Simple, speedy, no-mess installation.
  • Choice of ANY Colour.
  • Decorative Glass available.

Boat Windows

Boat windows are manufactured using a upvc slim-line odd leg window profile which sits against the external face of the property, giving a coverage of 19mm on all sides. A non drying bedding sealant or expanding foam is installed around the odd leg frame against the external frame and the property walls thus making the window water tight.

Narrowboat window installation

The windows can be installed by knocking an aluminium fixing bar into the specially designed window, giving a secure clamp fix finish. The fixing bar then doubles up as an internal trim which sits flush to the inner wall. This is suitable for wall construction of 38mm, 53mm or 69mm. If your wall construction differs, then you can fix them using screws and trim up on the inside using either plastic or timber bead, dependent on your preference.

Boat Doors

Our upvc odd leg doors, like our slim-line windows, sit on the external face of the property, giving a coverage of 19mm on all sides.

Narrowboat and Marine Doors: The internal depth and the thickness of the frame is 53mm.

Our doors are installed by simply screwing into the frame and trimming on the inside using a material of your choice. (timber bead or plastic demould trim.)


Always measure from the inside. Remove any trim around the door to reveal the aperture and either measure the existing door or measure the hole size (‘tight size’) and reduce the height and width by 5mm for manufacturing sizes. (there is 38mm coverage with the external odd leg overlap, so you have do not have to have a tight fit…meaning you have room to ‘square up’ the door if the hole is not square.


We offer a wide variety of foiled colours available for the outside frame of the windows and doors. Please note that the inside colour is always White. Alternatively the windows and doors can be sprayed to match any RAL colour inside and out.

Our turnaround on Colour foiled windows are 6-8 weeks from the date of order. Please note that White, Rosewood and Golden Oak are standard colours and are available on a 5-10 day turn around.


If your existing windows and doors do not already have a cowling above the head of the frame, then it is recommended that you purchase some for above the opening windows. They will stop the water from sitting on the opening sash where the water would drip inside once the window is opened. Alternatively, we can supply you with a ‘drip bar’ which is attached to the top of the window frame which simply takes the water away from the top of the opening sash. Please obtain an Instant quotation by clicking on the link below.