Maxxfan fitting (1 Viewer)

kelv

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Hi all I have just purchased a Maxxfan fitting it myself and I am not sure which adhesive to use can someone who has fitted one of these fans recommend an adhesive
thanks
 
Nov 13, 2011
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I assume it is held on by some sort of mechanical fixings, such as screws. If so, you do not want an adhesive. You need a non-setting mastic. There are those in cartridges and also as a tape on a role.
A Goggle search will show you the options.

Geoff
 
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Jun 30, 2011
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Why can you fit rooflights with just non setting sealant but when you fit one of these fans you have put a load of screws in too.

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Apr 15, 2015
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I used Dekaseal 8936 to fit mine, which is a non setting mastic, so you need screws as well, which I also used. Just make sure the screws are inserted through the sealant so that the drilled hole is sealed. I fitted it over six months ago and it’s been through some horrendous weather in the meantime and hasn’t leaked.

If you use adhesive rather than sealant and screws it may be a real pain to remove if you had to for any reason.

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kelv

kelv

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I used Dekaseal 8936 to fit mine, which is a non setting mastic, so you need screws as well, which I also used. Just make sure the screws are inserted through the sealant so that the drilled hole is sealed. I fitted it over six months ago and it’s been through some horrendous weather in the meantime and hasn’t leaked.

If you use adhesive rather than sealant and screws it may be a real pain to remove if you had to for any reason.
Thanks very informative contacted roadpro I purchased fan from them and they also said dekaseal but are out of stock
I will try internet was just hoping someone could give me an alternative
 
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Apr 15, 2015
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I also helped a friend fit one to his van a few weeks ago in exactly the same way. No problems with his so far either. As well as passing the screws through the sealant, also made sure the screw heads were sealed against the Maxxfan’s plastic frame.

Good luck with the fit 👍
 
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Apr 15, 2015
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The one I took off my motorhome was the original one fitted by Carthago. It was fitted using non setting mastic and didn’t need screws on the outside because it was clamped down from the inside by clips, much like a kitchen sink in a worktop. Maxxfan would be better if the frame could be clamped in rather than screwed.

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kelv

kelv

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I also helped a friend fit one to his van a few weeks ago in exactly the same way. No problems with his so far either. As well as passing the screws through the sealant, also made sure the screw heads were sealed against the Maxxfan’s plastic frame.

Good luck with the fit 👍
Thanks I can not get any dekaseal in white
Anywhere on internet I think everyone is out of stock
 
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kelv

kelv

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The one I took off my motorhome was the original one fitted by Carthago. It was fitted using non setting mastic and didn’t need screws on the outside because it was clamped down from the inside by clips, much like a kitchen sink in a worktop. Maxxfan would be better if the frame could be clamped in rather than screwed
The one I took off my motorhome was the original one fitted by Carthago. It was fitted using non setting mastic and didn’t need screws on the outside because it was clamped down from the inside by clips, much like a kitchen sink in a worktop. Maxxfan would be better if the frame could be clamped in rather than screwed.
totally agree
 
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Jun 30, 2011
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I also helped a friend fit one to his van a few weeks ago in exactly the same way. No problems with his so far either. As well as passing the screws through the sealant, also made sure the screw heads were sealed against the Maxxfan’s plastic frame.

Good luck with the fit 👍
If I was fitting one it would be non setting sealant and no screws or not fit it, why wouldn’t that work?
I’ve put large rooflights in with just non setting sealant, probably a lot heavier than the maxxfan.

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Apr 15, 2015
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If I was fitting one it would be non setting sealant and no screws or not fit it, why wouldn’t that work?
I’ve put large rooflights in with just non setting sealant, probably a lot heavier than the maxxfan.
I did consider it but didn’t want to risk it and so went for the safer option. Wasn’t sure the Dekaseal alone would hold it in.
 
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kelv

kelv

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I did consider it but didn’t want to risk it and so went for the safer option. Wasn’t sure the Dekaseal alone would hold it in.
Just out of interest did you manage to get white dekaseal

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kelv

kelv

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All fitted easier than I thought has anybody managed to adapted the original blind to fit.
 

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kelv

kelv

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A fe pics of install
 

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kelv

kelv

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Adapted original blind a few pics for anyone wanting to do the same

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wfdTamar

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Dec 22, 2018
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Couldn't quite work out how he did those strips, but applaud doing it that way. I've seen cheaper Fiamma skylights that have loads of screws around the top flange like these Maxair's have and it's messy and asking for leaks. So many holes and not necessary when clamp mounts work better. A bit surprised they use that method (screws).
 
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Jun 30, 2011
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Couldn't quite work out how he did those strips, but applaud doing it that way. I've seen cheaper Fiamma skylights that have loads of screws around the top flange like these Maxair's have and it's messy and asking for leaks. So many holes and not necessary when clamp mounts work better. A bit surprised they use that method (screws).
Yes so am I, with the quality of adhesive these days it seems much better to do it with no screws.
 
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