A
Aston
just thought i'd stick this clip up for any newcomers who needs some tips on checking a floor with a straight edge for flatness prior to tiling. this is a very important procedure!! its 6 minutes but bear with it!! its not perfect but it will help 
I tend to mark a floor with a.....
+ for the high spots and a -for the low spots
there are other ways to check floors ie dots (tiles laid on a bed of adhesive set at points through out the floor area..
or you can use a laser level with a staff or tape measure to take reference measurements that will determine the different depths around the circumference and over the area of the floor....
feel free to add any tecnniques that you use
it all helps!!
[ame=http://www.youtube.com/watch?v=Ku61hEOMU74&feature=related]YouTube - How to float a concrete floor before a hardwood floor installation.[/ame]
I tend to mark a floor with a.....
+ for the high spots and a -for the low spots
there are other ways to check floors ie dots (tiles laid on a bed of adhesive set at points through out the floor area..
or you can use a laser level with a staff or tape measure to take reference measurements that will determine the different depths around the circumference and over the area of the floor....
feel free to add any tecnniques that you use
[ame=http://www.youtube.com/watch?v=Ku61hEOMU74&feature=related]YouTube - How to float a concrete floor before a hardwood floor installation.[/ame]