Since our last entry we've been concentrating of getting the standing seam roof covering on. It's one of those jobs where it would be nice to do someone else's roof before doing your own. We're using a roofing system from Blacho Trapez, broadly similar to the Tata colourcoat.  It requires no crimping and minimal special tooling. It's around half the price of Colorcoat. The HPS200 coating we chose comes with a forty year guarantee. Our first impressions is that it's a quality product that's