Jim Purcha Posted January 3, 2016 Share Posted January 3, 2016 What length of permagrit block do most of the builders on this forum use? Jim Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted January 3, 2016 Share Posted January 3, 2016 I use this sanding block the most Jim, I've allsorts of others files of there's as well. John Quote Link to comment Share on other sites More sharing options...
Martin Whybrow Posted January 3, 2016 Share Posted January 3, 2016 I also use the 250mm block for most work; I also have a selection of round, square and flat 'files', a couple of the tubular 'files' and a flexible metal sanding strip. FYI, I finally found something that wrecks Permagrit tools, I used my square 'file' to notch some ceramic tiles and it took the grit off the tool - it did do the required job on the tile though! Quote Link to comment Share on other sites More sharing options...
Frank Skilbeck Posted January 3, 2016 Share Posted January 3, 2016 Posted by john stones 1 on 03/01/2016 00:26:38: I use this sanding block the most Jim, I've allsorts of others files of there's as well. John Same here. Quote Link to comment Share on other sites More sharing options...
Peter Miller Posted January 3, 2016 Share Posted January 3, 2016 Yes, the 280mm block Quote Link to comment Share on other sites More sharing options...
Barrie Dav 2 Posted January 3, 2016 Share Posted January 3, 2016 If you can afford it get both. I've found many applications where each one was the most practical. Quote Link to comment Share on other sites More sharing options...
Bob Cotsford Posted January 3, 2016 Share Posted January 3, 2016 One undocumented function of the long block - lie it on it's side and the concave face makes an excellent rest for your soldering iron that won't let it roll around. Quote Link to comment Share on other sites More sharing options...
Jon H Posted January 3, 2016 Share Posted January 3, 2016 Yup, the foot long one is the way to go as you will discover as soon as you try and smooth off a sheeted wing or anything long like a leading edge. Quote Link to comment Share on other sites More sharing options...
Geoff S Posted January 3, 2016 Share Posted January 3, 2016 The one best suited to the job in hand is the right answer. I use the wedge shaped 150mm one most of the time but the longer 280mm one is invaluable for finishing wing leading edges. I suppose if I could only have one it would be the shorter one as it's the most convenient for most jobs. As Bob says, they also make good iron rests I have a worn out short block that gets used for that - yes, they do wear out in time. Geoff Quote Link to comment Share on other sites More sharing options...
IanN Posted January 3, 2016 Share Posted January 3, 2016 Posted by Geoff Sleath on 03/01/2016 11:53:10: I use the wedge shaped 150mm one most of the time but the longer 280mm one is invaluable for finishing wing leading edges. Santa got me one of each of those. They are about to get "tested" later today Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted January 3, 2016 Share Posted January 3, 2016 Posted by Geoff Sleath on 03/01/2016 11:53:10: I have a worn out short block that gets used for that - yes, they do wear out in time. Did you know you can get (self adhesive) replacement sheets for the blocks? Oddly, I can't find them on the Permagrit site but they always seem to have them at the shows...might be worth a call? Quote Link to comment Share on other sites More sharing options...
Area 51 Posted January 3, 2016 Share Posted January 3, 2016 I have used the replacement sheets on odd bits of angle alloy I have lying about, some handier wood off cuts too.. Made a great selection of sanding tools to suit my needs. B&Q sell angle alloy, often have damaged alloy they throw out - or let you have it for pennies or less.. Its easy to make up your own tools this way.. bespoke to smaller / awkward jobs.. Cant dispute the Permagrits tools though, great to have in.. Quote Link to comment Share on other sites More sharing options...
Jon Laughton Posted January 3, 2016 Share Posted January 3, 2016 Another vote for the 280mm block - it is excellent and will last forever Quote Link to comment Share on other sites More sharing options...
Matt Jones Posted January 3, 2016 Share Posted January 3, 2016 I've got most of the range and wouldn't ever be without it. The 280mm blocks get the most use followed closely by the flat strips. The 560mm block is great for leading edges etc. Quote Link to comment Share on other sites More sharing options...
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