I think one reason for the popularity of corrugated iron in this country is it's compactness for transport. A ton of the stuff packs into a pretty small space and covers a LOT of roooof. In the days of the gold workings pipes were made of rolled sheetmetal & supplied unriveted. That way they could be slid one inside the other and quite a few pipes take up the same area as a single, fully finished one. Made more room on the bullock wagon. > Although corrugated iron is not easy to find, or rather, it has to be > specially ordered not bought "off the shelf", we do have one corrugated > material that is readily available. > That is a mix of inert fillers bound by some tar-based mix. > > Following this topic, I called a pal who is planning to replace his garage > roof, and who, when last I spoke to him, was debating the merits of various > coverings. > > He eventually settled between two choices, this corrugated, what-ever-it-is, > and felt. > The cost of 3/4" board, covered with two layers of felt, the top one with a > sanded surface, and all properly bonded, was about 15% less than the > corrugated stuff, and that would only have been the single thickness of the > actual material, ad this less heat insulation. > > Not hard to see why he settled on felt. > > (I do like the expression, "wriggly tin" though !) > ----- Original Message ----- > From: "Len Smith" <parnobal2@xxxxxxxxxxxxxxxxxxxx> > To: <modeleng@xxxxxxxxxxxxx> > Sent: Monday, August 02, 2004 10:14 AM > Subject: [modeleng] Re: Shed Roofing in U K ???? > > > I think I've hit on the reason why wriggly tin doesn't rust in the > antipodes...it's cos, being UNDERNEATH the earth, the rain drips away from > the ridges into space. > :o)) > Len Smith > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line. > MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.