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Thread ID: 48136	2004-08-15 03:56:00	Off Topic -Difference between galvanised iron & steel roofing?	Laura (43)	Press F1

Post ID	Timestamp	Content	User
261866	2004-08-16 18:33:00	I had no idea that cats lapping the joins caused rust;)Thanks Win and G_F.	Old Tom (5871)
261867	2004-08-16 19:56:00	My home was built in 1958 so it is just a new kid on the block compared to yours Laura. We extended in the mid 80's and found some rust in the original roofing. Minor damage was rest treated per an earlier post, minor holes were treated and patched with aluminium tape (where do you get the bitumen & aluminium variety?) but we found it easy to buy demolition iron of equivalent age and in good condition to replace sheets on the southern side that were rusted beyond repair. Some people were giving it away in the free columns of Trade & Exchange. Patching unwanted nail holes was no problem (tape again) and it looked as good as new. Cheers Billy 8-{)	Billy T (70)
261868	2004-08-16 22:40:00	The critters are most likely house borer (Anobium punctatum) and have entered the end grain or edges of the shelving, (which would be OB rimu [sap wood] or pine?) and left by the same route . Once you see the frass (borer dust) they have departed, mated and started a new family who will be munching on your shelves . The frass will be slightly gritty in consistency rather than fine talcum . Depending on how they like your shelves and how warm you keep them they should be out in about four years, looking for some action . If you find flight holes (1 . 5-2 . 5mm as opposed to 1-2mm) or grubs in heartwood or across the face of weather boards (for eg) and on lighter sunnier aspects then you probably have the native house borer (Leanobium flavomaculatum) . Goddie is probably more acquainted to them as they tend to prefer dryer east coast locations . If the timber is different to that above then you may have another beastie entirely . Best treatment for house timbers is replacement with treated timber or heartwood but gas and then application of a contact insecticide will knock their socks off . Furniture may warrant injection or flooding with an insecticide . Smoke bombs only get the ones in flight around November to January, not much use for anything except killing spiders and making you feel better . Cats are absolutely useless as a control technique, effective eradication is strictly a pro job unfortunately . Cheers Murray P	Murray P (44)
261869	2004-08-17 02:41:00	> minor holes were treated and patched with aluminium > tape (where do you get the bitumen & aluminium > variety?) . . . . . . . . . . >Patching unwanted nail > holes was no problem (tape again) and it looked as > good as new . Where do you get this Aluminium tape? does it have a trade name perchance, as I have been looking for something to patch some old nail holes and minor rust patches, on our roof, down here in Invers thanks	Nigel Thomson (629)
261870	2004-08-17 04:35:00	> Where do you get this Aluminium tape? There are probably a few that make it . Get it at any good(ish) hardware store . You'll get stung if you buy is in a little package rather than a roll of several metres . IIRC, it comes in 50, 75, 100, 150 mm wide rolls about 3 . 5M long, and it ain't cheap . You could try getting some off-cuts from a torch on sheet (1x10M approx rolls) from your friendly local membrane applicator . Stick them down using a bit of heat from a hot air gun as per those used for paint stripping or a gas torch (carefull now, don't want to lose the lot) . One disadvantage is that it will require coating will a bituminous aluminium paint or similar, before applying anything else, otherwise it will start to break down due to UV . These little patches can easily outlast the life of the roof . Cheers Murray P	Murray P (44)
261871	2004-08-17 05:09:00	Nigel - I saw a roll in Wrightson's in Winton a few months ago. Never seen it before and was tempted to purchase. Dear enough though - about $9 for 5m maybe? Mind you, that would do plenty of nail holes.	Winston001 (3612)
261872	2004-08-17 05:14:00	This is a splendid thread for all the DIY readers. Keep it going ! I will need some of that tape for our roof, which has all the symptoms mentioned earlier. The first owners of our place seemingly did not clean off the iron before painting and we have had a continuing peeling problem not fixed by blasting. We have a bit of lap rusting, so roll on good weather so fixing can start. Cheers T	TonyF (246)
261873	2004-08-17 05:18:00	But it doesn't leak in fine weather. :D	Graham L (2)
261874	2004-08-17 10:06:00	Laura, Get Murray to run you a GZ2 (correct me if I'm wrong) colour of your choice .7 guage steel roof .. it is about the best on offer .. known as "gold plated" to those with a small budget. This is one interesting subject for sure .. learning that the "Best Roof" on the market today has the durability 1/4 of your original roof of a hundred years ago... ...I'm stunned.... And now untreated framing rears it's ugly head again ( first used in the 1890's in Nelson as the sapwood of the native white pine, a cast off from the heartwood used in boat building) I hear guys calling it "Liquid Pine" it washes out with the rain in a couple of years.? (no, Auckland is not washed out yet) Thinking we have put you off buying a new home, perhaps you should swap the milk for a borer bomb.... anually, and go buy a cheap steel roof, paint it and let your kids worry about the next one ? ... or the one after that ??	fairway (5932)
261875	2004-08-17 10:43:00	Now, all you farmer people .. There were two products on the market, both bitumastic aluminum paints, with one considerably thicker than the other, Ideal for a quick patch to a roof or gutter... one called "Coolite" and the other "Alumicool" so if anyone find's some at their local supply co.. let me know, Laura has had me up on my roof, 18 years old and ready for the knackers yard, I hate this disposable society we have.	fairway (5932)
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