Fibres in render and screed?

[johniosaif]

How much fibres should I put in a render mix, I take it I put them directly into the wet mix in the mixer some say you should put them in the water butt... Talking here about the plastic fibres .. thoughts info please

 

[Arti]

it tells you on the packet how much to put in..............i put them in the water before put the S&C in the mixer.............other people might differ

 

[LongstrokePlastering]

Slightly different methods about but all with the similar end product unless u put too much or to less in u cant go wrong. Ive done this loads of times but only done strong mixes for what i was doing ie ponds and pools ect (3-1) mix with additives, sive out the fibres in ur hands or lil bucket and throw in the mixer with the water and sand, then the cement. No right or wrong way i think.

 

[LongstrokePlastering]

sorry forgot to say how much lol, its usually measured by wieght john for a (3-1) mix id use about (0.5-0.7kg) of fibres.

 

[Plastermind]

is it common to use it on houses? i see it in bexleyheath on a house it looked terrible far to much i think.

 

[johniosaif]

it tells you on the packet how much to put in..............i put them in the water before put the S&C in the mixer.............other people might differ

No info on the packet re the amounts to use

 

[Arti]

No info on the packet re the amounts to use

Plaster Fibre and Render Fibre from TDP Limited

 

[jackom]

we put a handful in render mixes

 

[malc]

it all depends on what work you are doing. when we put hair or fibres in mortar for rendering on wood lath, we test the mix with a bucket trowel,when the hair/fibre hangs from the trowel like a mans beard it is the correct amount.

 

[johniosaif]

it all depends on what work you are doing. when we put hair or fibres in mortar for rendering on wood lath, we test the mix with a bucket trowel,when the hair/fibre hangs from the trowel like a mans beard it is the correct amount.

We are doing render onto block work(concrete blocks)

 

[malc]

it does not really matter on block work, i would use less just so it spreads easy

 

[Arti]

Link Removed

it says 20g of fibres to 25kg of gear

 

[malc]

Link Removed

it says 20g of fibres to 25kg of gear

what length of fibres?

 

[Arti]

you've got me there malc............:RpS_unsure:

 

[malc]

3mm if thats the length of the fibres, sounds short. you must have to put plenty in the mix

 

[gooner59]

Just wondering why don't we use these fibres in EWI systems ? it would be easer than the fibre mesh ??

 

[malc]

Just wondering why don't we use these fibres in EWI systems ? it would be easer than the fibre mesh ??

you have different thickness of mesh, like heavy duty on ground floor, to stop the people kicking the finish in. a fine mesh for reveals. etc.