AFAIK after shingles are installed, the heat from the sun melts the
plain bitumen strip on the front and back to stick the overlapping
My question is: Why is the strip on the back covered with a thin
plastic cover marked (in many languages) "DO NOT REMOVE"? Does this
melt before the bitumen melts? what is the effect of removing the
plastic cover strip? (it must be important otherwise they wouldn't
have written it in so many languages...)
A worker was installing them at our factory and removing the strips
until I told him what the writing meant. He said that the seller told
him to remove the strips!
TIA for any (useful!) replies!
Then they would write "Remove before installation", IMHO...
In that case it would stop the sheets sticking together during
transit, but there is a deeper meaning, I am sure...
(Unfortunately the sellers here don't know much about what they sell -
not like UK.. or maybe like B&Q??)
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