Builders' hardware is often called BMF. Is this a quality mark or a standard?
When I look at angle brackets and mending plates at, for example, Biltema, I don't find this marking. We have received drawings from a designer for the trusses we are building where the fittings are called BMF, so I wonder if the fittings must be marked with this to have the correct strength.
When I look at angle brackets and mending plates at, for example, Biltema, I don't find this marking. We have received drawings from a designer for the trusses we are building where the fittings are called BMF, so I wonder if the fittings must be marked with this to have the correct strength.
BMF is a manufacturer. It is quite common for designers to specify a certain type of BMF fittings. In your case, as I understand it, it's about regular nailing plates, so any brand with the same size and thickness will work.
One reason why designers often specify BMF fittings is that they have a good manual. The same applies to Hilti, which has an excellent expansion manual and also good programs for calculating fastenings.
One reason why designers often specify BMF fittings is that they have a good manual. The same applies to Hilti, which has an excellent expansion manual and also good programs for calculating fastenings.