What is best way to cut corrugated steel roofing?
2011年3月23日 · Anyways it allowed you very precise angular cuts with a normal hand saw I think. I have read stuff saying not to actually "cut" metal because you expose the edge to the weather. Where as sheers and slitting tables actually don't cut but compress the metal which leaves the galvanized or paint intact at the edge, less rust.
Trimming metal roof back with no rusting - Contractor Talk
2016年11月30日 · All factory cut are done with a shear / guillotine. that do not have any extra treatment done to the cut edge and do not rust. Cutting with a shear or even snips sacrifices or rolls the edge as it is cut there by sealing that edge. Where as with a blade you are tearing the edge as you cut leaving a very raw edge that is prone to rust.
Out of square metal roof install help - Contractor Talk
2012年2月3日 · Thanks for all of the input. I always square to the eave and the metal is 12 inch wide standing seam. I would like to know if anyone recommends doing a square up on the roof when doing the bid to see if I should order longer panels than necessary to accomodate for the out of square condition.
Trimming Shingles along the rake edge - Contractor Talk
2004年9月26日 · I have also trimmed valleys with the circular saw you need to set the depth correctly so you only score the shingles you will still have to cut every other shingle. When the shingles are warm the best method is the hook blade. Use a used blade if you use the circular saw after you cut shingles it will no longer cut wood efficiently.
Cutting metal roofing with grinder? - Contractor Talk
2015年3月13日 · The science behind shearing metal and cutting metal with a saw is. When use tin snips or a shear you sacrifice the edge where the galvanizing of the metal is rolled during the shearing resealing the edge. Where when using a saw with a blade or abrasive wheel you tear the metal during cutting leaving a raw edge that will rust.
Best way to cut a rake (shingles). - Contractor Talk
2010年1月19日 · I have always shingled with gloves, no worries for slivers and cuts that way, rake cuts are the easiest way to lose all the skin on your knuckles. I've never used a shear, and don't know anyone who has. The key is to cut just inside of your starter shingle (1/16" - 1/8"). The starters make everything look wonderful from below.
tip for cutting back metal roofing - Contractor Talk
2008年8月15日 · Trade Talk. Construction
Cutting 12GA Steel Sheets 4x8 NIbbler or Shears
2009年12月11日 · Works best on flat sheet stock. Not sure of you have experimented with a jig saw and a good (Bosh) metal blade? I use the extra long blades. Need to have metal well supported on both sides of the cutting area and within about 1/4" of kerf. There is also the option of a metal blade for the circular saw. However, be warned about flying metal dust.
Best way to cut drywall for recessed lights? - Contractor Talk
2015年12月10日 · The hole saw Travis posted a picture of is deigned for 6" recessed lights. It is the cleanest and most accurate way to cut the hole. The o.d. is 6-3/8, I have them for 5" and 4" recessed. The 4" is the Remington grit edge. I've used them on wood, drywall and plaster. The basket ball solves the majority of the dust issue. Tom
cutting metal siding | Contractor Talk - Professional Construction …
2005年9月5日 · Cut a length of Launne about 9 or 10" wide, - - attach a 'straight-cleat' (1 X 2 or 1 X 3) along one edge of it, - - then run (the 'wide-side' of) your saw-shoe along the cleat, cutting right thru the plywood, - - now the 'cut' edge of your plywood can be set right in 'alignment' of where you want to cut. Also, - - your best bet is a 'dry ...