WebSurface regularity - straightedge Standards. A method of assessing flatness was given in CP 204: 1965 In-situ floor finishes (metric edition 1970) which used a 10ft (~3m) straight edge that was not set directly on the slab but on feet. No apparatus description was given, nor methodology to cover its use or sampling criteria. The idea was to ... WebThe only time you can be sure you actually built a floor to a specific tolerance is if the floor was measured by a very accurate instrument. In all probability, most of the concrete floors placed between 1950 and 1990 would measure somewhere between FF 15 and FF 35; that's something like horizontal envelopes ...

Flatness on a concrete floor. How to choose the conditions

WebJun 27, 2013 · Concrete Floor Tolerances – How Flat Does The Floor Need To Be? Surface Regularity. Application. FM1. Where high standards of flatness are required, this … WebThe straight edge method can be used to assess the surface regularity of a non-level surface, e.g. one laid to falls. It does not measure the texture of a surface. Surface … cinnamon toast crunch spread ingredients list

FM3 File Extension - What is an .fm3 file and how do I open it?

http://hendriksen.co.uk/power-float-finish/ WebJan 1, 2010 · European standard, EN 15620, with a FM3 classification for surface regularity, ... Cook, D., Floor tolerances -measurements from around the world. New Zealand Concrete magazine, 2001(June): p. 30 ... WebThe current New Zealand standard NZS 3114 requires that concrete floor surface regularity be measured using a straight edge specification. There is a view amongst concrete floor … dial candy thermometer