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Fixing Top Rail for Folding Doors - What Fixings to Use?

Postby Tonyonly » Tue Aug 05, 2014 3:17 pm

I have to fix a metal top rail to an opening that was for a patio door before an extension was added to my bungalow. The bungalow was built in 1969 and I know the outer skin has a steel RSJ and I assume the inner skin is a concrete lintel. The manufacturer recommends three inch screws "in appropriate fixings". I will try a masonry drill but what fixings should I use? The rail has to take the weight of three doors. Hope someone can help.
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Gorilla Glue heavy duty grab adhesive

Postby welsh brickie » Wed Aug 06, 2014 10:49 am

you can use 50mm stardrive fixings, really strong no rawplug required, with 75mm screw it might hit the reinforcing,you will need a cordless to screw them into position
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