What is the best snow guard for retrofit

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Author Message   Joe (Joe) Senior Member Username: Joe Post Number: 474 Registered: 07-2006 Posted on Thursday, November 05, 2009 - 05:39 pm:        Here's the SRCA contractor link: http://www.slateroofers.org/directory.html. Here's a link to some Berger retrofit snowguards that will not flatten out: http://josephjenkins.com/store/product.php?productid=16262&cat=308&page=1   Chris (Chris) Member Username: Chris Post Number: 26 Registered: 09-2009 Posted on Thursday, November 05, 2009 - 10:49 am:        there is a slate roof contractors association....a link is somewhere on these websites. try contacting one of those slaters near your area.   Bubba2 (Bubba2) New member Username: Bubba2 Post Number: 2 Registered: 11-2009 Posted on Thursday, November 05, 2009 - 09:05 am:        Thanks I appreciate the feed back. I'm a little gun shy on snow guards. A number of years ago I had some replaced. I have pigtails that are breaking off or flattenning. The contractor i chose was a well known one and replaced pig tails with pigtails. He nailed them right through the top slate, not underneath. I didnot know this was wrong at the time. I do now after leak problems. Since then I got a good guy but he retired 3 years ago. It seems slate roofing is a dying profession. Not many good knowledgeable contractors around. Thanks again.   Joe (Joe) Senior Member Username: Joe Post Number: 473 Registered: 07-2006 Posted on Wednesday, November 04, 2009 - 08:53 pm:        Don't use galvanized - they rust. Berger retrofit are fine. $20 each installed is a fair price.   Bubba2 (Bubba2) New member Username: Bubba2 Post Number: 1 Registered: 11-2009 Posted on Wednesday, November 04, 2009 - 03:50 pm:        are Berger sgg100 type snow guards the best for retrofitting an older roof? They slide up under the slate and hook to the nail. Or are the type that require slates to be lifted and nailed down better. Also, does it matter which material of construction is used they come in copper, stainless steel, galvinized steel. In the past I have had some snow guards replaced with the clover leaf type that needed the slates lifted and were nailed in. The current estimate i have is for slide up and hook on a nail type. Also what is a reasonable price for replacing snow guards. I'm need to install 50 and it is hard to get anyone to bid. One estimate so far for $1000. Can't seem to interest others and this guy has done good work for a neighbor. I appreciate any advice.