Hi, I will shortly be fitting my 140w flexi solar panel to my caravan roof. For the life of me I cannot remember if the adhesive to use for the mounting brackets is SIKAFLEX 552 OR SIKAFLEX 252 ?? Anytone out there know? tried to pin this down on the internet but the suppliers are limited and the descriptons generalised.
thanks
howard6040
Sikaflex 521 UV would be my choice but any glue is only as good as the preparation allows, clean both surfaces well with a light abrasion to paint and a good rub up to the base of smooth plastic brackets.
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Topic: fixing solar panel to roof
