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Unread 6th March 2012   #1
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Using gripfill instead of sikaflex etc

Hi folks, 3 years ago when I first put 2 small solar panels in my van roof (2x 10w) I used gripfill as it's what I had in my shed, it's similar stuff to no more nails and can be got for around £2 per tube- much much cheaper than sikaflex.
Yesterday I came to fit my new 135w panel so I set about removing the 2 panels I fitted prevously- I knew that gripfill, no more nails etc isn't designed for caravans so I was expecting the stuff to be brittle weak and failing.
Well let me tell you, it's quite the opposite! That is good stuff! Even after 3 winters and being outside all of the time the gripfill was still brutally strong! First I used a Stanley to try to separate the panels by slicing the gripfill- this didn't really work- In the end I used a drywall saw and a hammer. I hit the drywall saw forcing it through the gripfill, it worked eventually, unfortunately I put a small hole in the roof
But hey it's a 21 year old van so one more (unseen) scar won't harm!! (yes I did fill the hole!)

So I will be fixing the new panel on with gripfill again- also I'll screw it down as the panel with it's air gap could act as a sail and tear the aluminium skin off the roof!
Just thought I would share this with you folks- if you want an impossibly strong durable flexible bond then this stuff will do the trick- ideal if you plan on never removing something ha ha!
The polysuphide sealant I bought to fix the panel on with will be used for some other purpose!!

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Unread 6th March 2012   #2
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I was expecting you to say you got the sledge out but good recommendation for it must be good stuff this gripwell
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Unread 7th March 2012   #3
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A good post and there are many very good products on the market that all can provide a perfect result albeit subject to preparation. Cleaning and Priming the surface is vital and frankly often never done as many just squirt the product out of the tube and stick . So when failure occurs people never state they did not prep the surface correct to specifications.
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gripfill, sikaflex

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