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mudgee hunter said:There was one other good product I used to seal skin joints. That was a stuff called "tac flash". (Dont get the type bunnings sell) it comes in a roll form. 40mm up to about 150mm I think.
I has aluminum thick foil on one side, bituminous layer on the other, 3mm thick?
The external alloy trim moldings play a part in the sealing. I penciled in cover line and removed mine, clean up the joint. And roll width to suit. When cold and you remove the backing tape it is only slightly tacky. Some slicing needed around bends. Once your happy with it. Grab a hot air gun or good blow dry on hi, and heat it about a meter at a time, just till you see the tar ooze out the side of foil, with a rag wipe along foil with gentle pressure to help with bonding.. excess can clean up with mineral based stuff. Once done. Give it 10mins, and put you trim back on. Presto. Any Over hang just trim with blade and your turp rag. If you have skin joints on the roof that might leak. Use it there as well.
Great tip there mate, BTW I have used the bunnings type on aluminium flat house roofs with great success, is the other option far superior? Never thought of using it on a van.