Better give what ever material you select a bit of a test run
in that Arizona sun Steve. This subject has been discussed many,
many times over the years. You could spend the rest of the
weekend plus some, reading past threads on the subject.
Many of the building products are asphalt based and get soft in
the summer sun, specially in 110° desert heat. Ya wouldn't want
your truck to smell like the La Brea tar pit would you?
dg
