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Subject Topic: How to measure & fit skylight
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07/8/2010 at 9:42pm
 Location: DONcastER
 Outfit: SWIFT CHALLENGER 440 4
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Hi

I have recently purchased a Swift Challenger which requires some work, including replacing the skylights. I need to make sure Im measuring up for the new ones correctly. Is from the inside, ie the size of the hole? Or from the top?

 

Hope someone can set us right! New to this!!



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Nick


08/8/2010 at 12:21am
 Location: Lanarkshire
 Outfit: Compass Lynx 340 2
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Hi NickA25, Welcome to the forum, take skylight out(cover incase of rain) ,measure the skylight unit, lenght, width, depth,and check width of the lip round unit,then measure the aperture in roof, if skylight not removed , measure  form top of van and from inside van, there will be a small difference in the measurements, don't put weight on the roof, use a ladder,and steel measureing tape. hope that helps.

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If everything runs smoothly then I must have done something wrong
If in Doubt Check it Out.



John


08/8/2010 at 12:32am
 Location: Lanarkshire
 Outfit: Compass Lynx 340 2
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Hi, just occured to me that the skylight may have outter skirt round the unit, if so  may be better takeing out skylight,to get corect size, should be some of the swift caravan owners along shortly to give you advice, as they will know more about the setup.

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If everything runs smoothly then I must have done something wrong
If in Doubt Check it Out.



John


08/8/2010 at 9:41am
 Location: Bristol
 Outfit: Lunar Conquest 544 a
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See here http://www.1carpc.co.uk/wcdr/mini-heki-install.htm , remove the vent bottom trim inside the caravan pic 4 , measure the hole in the ceiling pic 5 , also measure the ceiling thickness, you can do this by putting a rule up the gap between the ceiling and roof vent , roof vents come in a few different sizes eg 400mm x 400mm , 380mm x 380mm see here . http://www.leisureshopdirect.com/caravan/ventilation/mpk_rooflights.aspx
http://www.leisureshopdirect.com/caravan/ventilation/Dometic_Heki_Rooflights.aspx

atb

Wizard



via mobile 08/12/2019 at 2:14pm
 Location: County durham
 Outfit: Dethleff a-line 320 cosalt piper 81
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Hi just reading measurements on the sky lights. Mine is 37x37 mm interior aperture, and the outer cover lid is 46x46 so large lip on lid , I cannot find a roof light on this planet the same . Caravan is Deffleff’s newline 1993 model . Just need the roof cover replacement but at a loss as what to do.


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11/12/2019 at 1:07pm
 Location: West Yorkshire
 Outfit: Bessacarr 835
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Perhaps the answer is to replace the entire unit with something like a Mini Heki which is 400mm square. If there is sufficient wood in the mounting frame in the ceiling, removing 15mm all round isn't that difficult if you are handy.


11/12/2019 at 5:19pm
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Quote: Originally posted by chrisn7 on 11/12/2019
Perhaps the answer is to replace the entire unit with something like a Mini Heki which is 400mm square. If there is sufficient wood in the mounting frame in the ceiling, removing 15mm all round isn't that difficult if you are handy.



Whenever I have had to cut or enlarge holes in a motorhome or caravan I have always found an oscillating cutter to be far superior to a jigsaw ie easier to use, neater and more precise.
If you have to cut and you don't have one, borrow one.

I use Fein multimaster     dead easy


11/12/2019 at 8:38pm
 Location: West country
 Outfit: Mondeo
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Quote: Originally posted by Fizzy water on 08/12/2019
Hi just reading measurements on the sky lights. Mine is 37x37 mm interior aperture, and the outer cover lid is 46x46 so large lip on lid , I cannot find a roof light on this planet the same . Caravan is Deffleff’s newline 1993 model . Just need the roof cover replacement but at a loss as what to do.



Is there any point replacing it if it's only 37x37 mm. Don't worry, billions were wasted when we went metric.



via mobile 31/12/2021 at 10:36pm
 Location: Newport Shropshire
 Outfit: caravan
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Hi we have a Swift Challenger 2004 490SE we are hoping to replace the actual blind in the roof light and wondered if anyone had the measurements please

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I.P. Hough


01/1/2022 at 11:48am
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I take it your van is in storage?

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XVI yes?

As well is two words!
How does a sage know everything about everything? or does he? or does he just think he does?
Remember, if you buy something you bought it, not brought it.


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01/1/2022 at 1:24pm
 Location: Near Alton Towers
 Outfit: Bailey+Burgundy+S7+H
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This is tacked onto a pretty old post but most skylights are made to pretty standard sizes nowadays at least. You can probably recognise yours from looking at photos of similar units, they will have the dimentions for each type without the need to remove it, then order the correct one, and then wait until it arrivers before fitting.

Often reinforcing woodwork is fitted inside the roof sandwich at manufacture, Bailey were kind enough to send me an image of the roof and all the battens in mine so that I could work out if it was an easy job to enlarge my toilet one to a mini hekki.

Dave.

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Never argue with an idiot, they will drag you down to their level and beat you on experience.
Mark Twain.



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