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Bag of Sand.


Paula

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1 hour ago, Colin Lindsay said:

Don't worry, if I'm desperate enough I'll gnaw the top off. 

It's amazing what you can do one-handed if you just jam the end in somewhere tight.

Maybe I should rephrase that?  😮

Would that be your wallet Colin :) :) 

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  • 1 month later...

It took me awhile but i managed to to get up to Moordale Motors in Potters Bar. I was visiting a friend nearby so i chose them.

They said to do the work properly would cost at least £3000. It sounded like it would probably cost more after they had removed the roof and seen what's underneath.

So i'll be putting that on hold for the foreseeable future. 
Good to get an actual figure I suppose.

I was thinking of squirting some of this up inside the boot into top of the rear wings. Up into the fins basically. I've already glooped it up quite a lot with fibreglass stuff, I just thought this might seal up the bits i've missed.

Terrible idea?

 

81xCrBUp7SL._SL1500_.jpg

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Hi Paula,

the filler is possibly not a great idea.

It will not stop moisture getting in but it will stop the moisture from drying out.

Also when you do have any repairs actioned the gargae will have to dig it out out = £££££

 

Roger

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32 minutes ago, RogerH said:

Hi Paula,

the filler is possibly not a great idea.

It will not stop moisture getting in but it will stop the moisture from drying out.

Also when you do have any repairs actioned the gargae will have to dig it out out = £££££

 

Roger

Good point!

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24 minutes ago, Paul H said:

Hi Paula you could use a product like Bilthamber  Dynax , you  get a “Lance” so it’s easy to spray into difficult to access areas , this would stop the corrosion spreading 

Paul 

That stuff looks perfect. Do you think it will seal over small cracks? I suppose i could build up layers

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36 minutes ago, Paula said:

That stuff looks perfect. Do you think it will seal over small cracks? I suppose i could build up layers

Dynax is not designed to be layered but if you let it set leaving a few days between applications it should buildup , at the very least Dynax will stop further corrosion 

Paul 

Thinking outside the box you could use a  rust remover like  Bilthamber Deox-Gel.  And then paint on  PVA glue in layers waiting for each layer to dry throughly before the next layer . Assuming the PVA will adhere to the metal this will give some strength so you could fill the cracks from the outside . Finally give the PVA a coating of Dynax . PVA is cheap as chips . I haven’t tried this but a test on waste metal might be worth it as an interim fix . PVA glue starts off white and goes transparent when cured , apply in thin layers 

sorry gave you the wrong link for PVA here it is https://www.toolstation.com/interior-exterior-pva-wood-glue/p22271

Paul 

 

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1 minute ago, Paul H said:

Dynax is not designed to be layered but if you let it set leaving a few days between applications it should buildup , at the very least Dynax will stop further corrosion 

Paul 

Thinking outside the box you could use another rust remover like  Bilthamber Deox-Gel.  And then paint on  PVA glue in layers waiting for each layer to dry throughly before the next layer . Assuming the PVA will adhere to the metal this will give some strength so you could fill the cracks from the outside . Finally give the PVA a coating of Dynax . PVA is cheap as chips . I haven’t tried this but a test on waste metal might be worth it as an interim fix . PVA glue starts off white and goes transparent when cured , apply in thin layers 

Paul 

 

Interesting idea. I do have a 5ltr thing of PVA. I forget why!

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17 minutes ago, KevinR said:

I’d avoid using PVA as it remains water soluble even when dry.  SBR is very similar to PVA but is not water soluble when dry so should be much better

Dammit! Now I’ll never use up that PVA!

Good to know! 

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just back to building expanding foam   you can give the underside of the panel a good squirt and next day find the boot is totally filled .....avoid like the plague 

think ive said as for  a filler ive used marine epoxy  its water proof , quite hard to sand , but lasts for years , mixes same as body fillers , but is not a sponge to soak up moisture 

  £3000      best avoided  ,             in the summer you can whip the roof off and attack from the outside

Pete

 

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13 minutes ago, Pete Lewis said:

just back to building expanding foam   you can give the underside of the panel a good squirt and next day find the boot is totally filled .....avoid like the plague 

 

 

Sounds exactly like the sort of thing that would happen to me!

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Paula, you really need to contact Andy Dann. His prices are very reasonable.... I know he is a bit of a trek, but he may be able to give a rough idea from pictures etc.

Moordales do very good work and top end finish etc, and I know Dale. But I suspect you may be OK with something that is more basic finish but sound and very presentable.

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1 hour ago, Pete Lewis said:

just back to building expanding foam   you can give the underside of the panel a good squirt and next day find the boot is totally filled .....avoid like the plague 

think ive said as for  a filler ive used marine epoxy  its water proof , quite hard to sand , but lasts for years , mixes same as body fillers , but is not a sponge to soak up moisture 

  £3000      best avoided  ,             in the summer you can whip the roof off and attack from the outside

Pete

 

Paula,

Pete is exaggerating!     I've not used expanding foam in the way you describe - I did to make the GRP roof for Silverback, double-skinned with honeycomb betweeen, VERY stiff!      I used the foam to glue the honeycomb to the underside of the outer skin, squirting lines of foam under the edges of the 'comb.    It didn't fill the whole roof!

Anyway, if you do use a bit much, it's easily cut with a knife, and you could hack it back and out of sight.

I'd try to deal with any rot where you will put the fowm before you do, but Pete is right that PolyU foam will absorb water, so a good finish on the outside may help too.

John

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off track ,   back in the 70s  we got  in law 's to take up cavity wall foam deal we got with ICI ( well not entirely) it was a 1 for them 2 for himself  and without sealing off some vents 

Mum found her vacuum and vegetables encased in the cupboard under the stairs ,  we were not amused !!!

  well we were

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