Una wrote:

A roofer proposes to use Temko brand laminated fiberglass and asphalt
shingles, either of these:

Heritage 30 AR
Heritage 50 AR

Per mfgr data sheets, these appear to be exactly the same except the
50 is described as "heavyweight"; I cannot find the weights on the
mfgr website. Does anyone know?

http://www.tamko.com/Residential/tab...5/Default.aspx

Una


That is because the roofing industry has shifted from "weight" ratings
to expected shingle life for their shingles. Not many use weights
anymore, but here is an explanation that may help you:

http://www.professionalroofing.net/past/july00/qa.asp

--
Robert Allison
Rimshot, Inc.
Georgetown, TX