A different form of epoxy

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William_H

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I have just been watching my builder fit studs into a masonry wall. He used a bit of threaded rod and stuck it in the hole with an epoxy. This was in the form of one of those cartridege tubes like so many adhesives except that the 2 parts of the epoxy are kept separated and are actually mixed in a special tube that attaches to the cartridge. This seems to twist the 2 threads of epoxy and hardener so they mix as they go down the tube. So you just squirt what comes out into the hole then push in the stud.
Now this stuff was hard in half an hour at 19 degrees. (yes it is winter here). The mixing tube has to be discarded after each session of use, so you get a few spare tubes. I imagine you could also mix it by hand after extruding it from the cartridge.
Anyway it struck me as a convenient and apparently not so expensive form of viscous epoxy for pads or repairs on boats. Now I missed the name of this product (I think a variation on mastic) and it is likely an Oz brand name but it surely must be available in a similar form in UK.
good luck olewill
 
Wake up there at the back http://www.epoxy-info.co.uk/resins_shop.htm#ThixoRapid been around for a while here in the UK. Many different types available for different applications - some even available from DIY outlets such as Wickes such as
http://www.wickes.co.uk/Injection-Resin/p/243796 or
http://www.wickes.co.uk/Kemfast-2-Cartridge-380Ml-60-200/p/215076 and here are spare mixer nozzles
http://www.wickes.co.uk/Kemfast-2-Mixer-Nozzle-60-640/p/215077

Oh, er the cost brings tears to one's eyes
 
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Civil engineering has been using chemical anchors (or resin anchors) for decades to fit retaining stays into rock faces, substrates and construction situations.
One of my clients specialised in this work and I photographed it often. They often did it whilst abseiling.
 
William_H said:
I have just been watching my builder fit studs into a masonry wall. He used a bit of threaded rod and stuck it in the hole with an epoxy. This was in the form of one of those cartridege tubes like so many adhesives except that the 2 parts of the epoxy are kept separated and are actually mixed in a special tube that attaches to the cartridge. This seems to twist the 2 threads of epoxy and hardener so they mix as they go down the tube. So you just squirt what comes out into the hole then push in the stud.
Now this stuff was hard in half an hour at 19 degrees. (yes it is winter here). The mixing tube has to be discarded after each session of use, so you get a few spare tubes. I imagine you could also mix it by hand after extruding it from the cartridge.
Anyway it struck me as a convenient and apparently not so expensive form of viscous epoxy for pads or repairs on boats. Now I missed the name of this product (I think a variation on mastic) and it is likely an Oz brand name but it surely must be available in a similar form in UK.
good luck olewill
Click to expand...

Fastened a long galvanised steel handrail into an ancient slightly damp "cob" wall with a series of oversize holes and a tube of the mix-in-a-gun-nozzle stuff about 8 years ago, set rock solid in about 30 minutes, still there and no movement. I was planning to get the handrail made up with brackets and use big "thunderbolts" (also another good product) but the steel maker said just to fit long bars - poke into drilled holes in wall filled with resin.
 
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