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Porthole Seals


mark99

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We are looking to replace our seals - it looks like neoprene - any idea's of a supplier?

 

It's 3mm thick and 8mm wide. Here's a photo of a bit that's loose and dangling.

 

port_zps1e516aed.jpg

Snap! Same portholes as ours and the same problem as we have. I will keep an eye on this thread too.

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Is it self adhesive or does it sit inside a recess? There are various profiles available, but try a uPVC window supplier. StormGuard is available at Wickes, just check it's the right profile.

http://www.screwfix.com/p/stormguard-upvc-seal/89084?kpid=89084&cm_mmc=Google-_-Product%20Listing%20Ads-_-Sales%20Tracking-_-sales%20tracking%20url&gclid=CJmNj7CizL4CFc6WtAod9S0A7Q

 

Edit: Did I say Wickes, sorry meant Screwfix

Edited by Kendal
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When I needed something similar, I visited our local branch of Klinger (joint material manufacturers).

They happened to have some sheet foam material on the shelf (Neoprene I think) of about the right thickness, they cut out rings to size for me while I waited on their CNC gasket cutting machine. I think they only charged for the material.

 

Tim

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When I needed something similar, I visited our local branch of Klinger (joint material manufacturers).

They happened to have some sheet foam material on the shelf (Neoprene I think) of about the right thickness, they cut out rings to size for me while I waited on their CNC gasket cutting machine. I think they only charged for the material.

 

Tim

Now then...my brother in law works for them smile.png

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They look like Procast portholes... we used this product on ours:

 

http://www.diy.com/nav/build/insulation/draught-excluders/weather_strip_door_seals/Stormguard-Rubber-E-Profile-Weather-Strip-Brown-10908050?skuId=11398746

 

Fits perfectly and allows the clip room to move easily. Remember to leave a gap for the drain hole

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Thanks - got some ordered.

 

NB a bit of a harder question - the little "niblets" that hold the glass secure, sealed and shut - any idea where to get them? (you can see one - colour bronze in the photo in post #1).

 

I may end up having to make a few.

Edited by mark99
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Thanks - got some ordered.

 

NB a bit of a harder question - the little "niblets" that hold the glass secure, sealed and shut - any idea where to get them? (you can see one - colour bronze in the photo in post #1).

 

I may end up having to make a few.

 

Get in touch with Procast, we have the same portholes with the brass (good word) niblets.

 

http://www.procastnotts.com/

 

I would bet they do spares, there's so much on their site though LOL Just phone them, Sandra usually answers the phone, they're all really helpful though so you should get sorted.

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On a related issue, since my portholes and windows were recently removed and refitted following some renovations, four of my portholes, one larger window and the Houdini hatch now leak. It's difficult to ascertain with any certainty where the leak is, frame or window seal. The company that did the work have attempted to reseal them but now leak more than ever and frankly, they seem to be pretty useless and I have no confidence they won't make the problem worse if they come back a third time. Prior to the work being carried the boat never let in a drop of water. :(

 

Does anyone know of any specialist window repair firms that could come and sort out the problem? With all the recent rain we have been having I am worried that damage may be caused by water ingress. I would be grateful for any recommendations.

 

Ken

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Well the fact they didn't leak previously and now leak after refitting make it obvious there's something wrong with the refitting. Portholes are generally the easiest type of window to fit without leaky problems as well, so my guess is use of an inadequate seal.

 

If you've used a non boaty type of window fitter then they probably won't know what the correct seal is.

 

Do you know what has been used as the main seal. I wouldn't use anything other than Neoprene at 4/5mm thick, or non setting Butyl which has a consistency of plasticine and comes on reels with a backing strip, it's usually 3 to 4mm thick.

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Thanks Julian. Unfortunately I wasn't there when the work was done so cannot say what was used. I think they just put some silicone type sealant around the outside of the frame the second time to try and stop the leaks. It seemed to do the job but the heavy rain we have had the last few days has exposed the problem again. I am in agreement that boat windows are a specialised subject and something I would not wish to attempt myself. I didn't want to risk a 'non boatyard type fitter' as you say, so used the original builders. Which is why I am very surprised to find myself in this position. :(

I am concerned the water ingress will damage the new interior wooden window frames, or worse, if left unchecked.

I was hoping there may be someone on the forum who could recommend a reputable outfit to come and reseal them.

 

I think they are Channel Glaze units, fitted 12 years ago when the boat was built. They were completely weather tight until they were removed for the boat to be repainted and new wooden trim fitted. I'll give Channel Glaze a call. Maybe they can recommend someone.

 

Cheers

 

Ken

Edited by NB Ellisiana
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I've used Captain Tooleys Creeping Crack Cure with great success, you just run it round the window on the outside and it creeps in and seals the leak (like wot it sez on the tin). You might need more than one application, I repeat till it daily stops disappearing into the joint and runs off.

Cheap easy and effective even if you only use it till you can get the windows refitted

 

T C

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  • 2 weeks later...

Snap! Same portholes as ours and the same problem as we have. I will keep an eye on this thread too.

 

I got some off ebay about £10.50 for 10m free postage - stickyback neoprene 6mm wide * 3mm thick.

 

Replaced it all, cleaned drainholes and sprayed water on windows - no leaks.

 

Also Procast very good and took an order for 12 spare niblets - but they call them "feet" by the way.

Edited by mark99
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I've come across the same problem

On a earlier thread I got some contacts, one was a seal company

Three times later of ordering seals, always different!

 

I also have 18 inch portholes, and dutch barge windows

I need seals and also the plug in bits that cover the drain holes 2 per window

 

It be nice if I can renew. Any help I've sent close ups to caldwells ? Nothing

Anyone that

 

Col

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I got some off ebay about £10.50 for 10m free postage - stickyback neoprene 6mm wide * 3mm thick.

 

Replaced it all, cleaned drainholes and sprayed water on windows - no leaks.

 

Also Procast very good and took an order for 12 spare niblets - but they call them "feet" by the way.

 

Well I never feet laugh.png I still prefer niblets smile.png

 

How much are they out of interest? I haven't ever lost one yet though.

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Well I never feet laugh.png I still prefer niblets smile.png

 

How much are they out of interest? I haven't ever lost one yet though.

 

Please don't lose one - they cost a staggering £2.50 plus VAT EACH! and postage - I nearly keeled over when they emailed me the cost just now. sad.png

 

Mind you they have polished them up for me.

Edited by mark99
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Please don't lose one - they cost a staggering £2.50 plus VAT EACH! and postage - I nearly keeled over when they emailed me the cost just now. sad.png

 

Mind you they have polished them up for me.

 

I had a feeling they wouldn't be cheap, In fact I thought they would have been dearer than that. They have to be cast of course, drilled through and polished and all done by hand I believe.

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  • 1 year later...

Just ordered some sealing strip for my portholes from Zero Seals Systems in Stafford. They do several rolls of adhesive backed Flexible EPDM seal and are sending me a roll, hope it works. Business was on done by telephone. Website is www.zeroplus.co.uk they do a large range of all types of seals for the trade.

But an order is an order.rolleyes.gif

Colinw

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