Owens Corning

It stands to reason that
an asphalt shingle is only as good as the asphalt used to make it.
Which is why you should stand for nothing less than Trumbull
asphalt.
Trumbull is the leading asphalt supplier for shingles. Why?
Probably because asphalt is all we do. Since 1921. Over the decades
we’ve gained a thorough understanding of asphalt’s
properties and possibilities. In fact, we’ve applied our
unmatched knowledge and expertise to create reliable, consistently
high quality asphalt for use in shingle manufacturing
including
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