I have a large steel roof project to install that is giving me some problems. There are many locations so no one is the same. Most of the roofs are steel sheet over steel purloins with no insulation. The steel sheeting is lying right on top of the purloins. Can I use a self drilling self tapping screw to attach? Who makes one large enough? In some cases I get get to the underneath but working off 30' ladders to make each attachment is too labour intensive as the warehouses are full of goods..
In the case of the roofs that have foam filled panels or corrugated I will have to use EJOT fasteners but these seem overkill for steel on steel fastening, they are very expensive. Thanks for the help, -- Chris Mason President, Comet Systems Ltd www.cometenergysystems.com Cell: 264.235.5670 Skype: netconcepts
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