any clever person know

[Diamond Pool Finishers]

how much of the area of each individual mosaic piece ,tessera ! needs to be in contact with the adhesive as a percentage please under BS standards ??

 

[Ajax123]

I don't think the standard differentiates between mosaic and non mosaic so it would be minimum 80% but I am in a hotel this vending with nothing much to do so will double check

 

[MTiler]

any particular size of mosaic, as trowel size will vary?

 

[Del W]

Deanos your man. Hes online now,or you may find the answer here.

http://www.tilersforums.com/tiling-tools/66040-mosaic-mesh.html

 

[Del W]

Couldnt find anything on the net re BS for mosaic addy coverage, except for one part says it should be beded in to make full contact.

 

[Diamond Pool Finishers]

any particular size of mosaic, as trowel size will vary?

sorry Sharon 20x20 mm recycled glass .......

 

[thompsonbrown]

25% Had to look bit up though.
Hope thats right.

 

[Diamond Pool Finishers]

No i think Alan is the closest so far with 80% sure i see australian standards with this , 25 % will be mesh cover/obscuring ! it's the BS i need as we are tiling in Britain ! any more offers guy as lots more are home from work now ??

 

[mz30]

I would assume it would be the same as wall tiling coverage,if it is walls your enquiring about,bs standards are vague imho and dont cover everything.

 

[Diamond Pool Finishers]

I would assume it would be the same as wall tiling coverage,if it is walls your enquiring about,bs standards are vague imho and dont cover everything.

no they do cover this stuff with the recent since 2000, failures from around the world , due to various causes 90% 100% ?......

 

[Ajax123]

Right.... Part 3 of the standard which I think is the part that covers mosaics on floors for the purpose of this thread does not actually I've a percentage. It says that the adhesive bed should be spread using a notched trowel such that the tessera should be in full contact with the adhesive avoiding an voids. (Not a direct quote). So if we assume that the cover should be 100% to the back of the tile and the mesh and adhesive that holds it to the back of the tesserae should cover no more than 25% of the area of each tesserae then the tile adhesive should be in direct contact with at least 75% of the tesserae themselves.... If that makes sense....

I have the 1997 edition of the standard....which I think is the latest edition.

it says the sheets should be placed on the adhesive and tapped down using a wooden beater or laying on trowel so that full contact with the adhesive bed is achieved....

Does that help??

 

[Diamond Pool Finishers]

well done mate !! Nail on the head i think , top bloke Alan ! sound good to me , i always use a ramondi tile beater ( size of a large plastic float ) heavy as two house bricks , Proper-job !! rubber grout floats

 

[Ajax123]

Phew! Passed that test...

 

[Stef]

I remember the post Deano put up about the mesh backing & what it should cover & I'm certain that the mesh shouldn't cover more than 25% of the tile. So I would say the adhesive should make contact with 75% of the tile..

 

[Mr T]

i dont get that "the mesh shouldn't cover more than 25% of the tile." isn't the mesh attatched to the whole tile? if im talkin sausages just say stfu lol