Removing mastic (1 Viewer)

[Chickie]

I am taking a solar panel off the roof which is stuck with mastic any ideas how to remove it safely without causing damage.

 

[Speve]

Use a cheese wire to start with

 

[Chickie]

Oh haven't got one of them. But thanks I will ask around my friends.

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[Chickie]

Thanks speve found some wire that is doing the trick cheers.

 

[Lenny HB]

It helps if you soften it with silicon remover it will be a PU adhesive.

 

[The Nomad]

Afterwards suggest using plastic scraper (not metal) to get a much residue as possible off, then WD40 and rag to remove remainder. It'll take some elbow grease but it will come off

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[lindyloot]

I was wondering that too as i need to remove my skylight heiki to renew the mastic

 

[scotjimland]

I was wondering that too as i need to remove my skylight heiki to renew the mastic

your roof window will (hopefully) be sealed using a non setting mastic , not a PU adhesive or Sika ..

clean off as much as you can with a plastic scraper, then use white spirits on a rag to clean off the rest.

To re-seal use a non setting mastic such as Carafax IDL 99, or Hodgsons seam sealer , or W4 mastic on a roll .. find it on eBay.. it's easier to apply, no mess and you get a nice even layer

Sika and other PU adhesives should never be used for sealing windows.. yet people still insist on using it..

 

[lindyloot]

your roof window will (hopefully) be sealed using a non setting mastic , not a PU adhesive or Sika ..

clean off as much as you can with a plastic scraper, then use white spirits on a rag to clean off the rest.

To re-seal use a non setting mastic such as Carafax IDL 99, or Hodgsons seam sealer , or W4 mastic on a roll .. find it on eBay.. it's easier to apply, no mess and you get a nice even layer

Sika and other PU adhesives should never be used for sealing windows.. yet people still insist on using it..

Will be using W4 as i had seen others mention it for the job , thank you for the info

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[Minxy]

If you haven't got a suitable plastic scraper use an old credit/debit card and just sharpen the edge a little ... works a treat.