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Thanks for the reply. Problem is I'm using special heat proof adhesive and the company state it must be applied in 1 layer. I need a final finished thickness of around 4 to 5mm but finding the square notch 8mm squashed down to far less than I require.was hoping I may be able to use a different...

Hi. I've done a search for this but unable to find definitive answer. Basically I'm applying some tiles around my fireplace. I've done the hearth (see pic) and now need to tile around the opening. I'm needing to build the tiles out a bit and finding that a 8mm square notch Trowell is not giving...

Hi I'm in the process of preparing my fireplace for an inset wood burner. The builders opening is currently open (see pic) and obviously letting lots of warm air to rise up the stack. During the last couple of cold nights I have had some condensation forming towards the top of the stack and...

Sorry bud your answers confuse me

Ok I thought that the trowel had to be used at a certain angle ie approx 45 Deg.

Ok how's that then. Why have different size notches

Just speaking with floor fitter and he says 3 to 4mm if adhesive will be sufficient Can anyone advise if this isposdibleto achieve and what notch size would give me 3 to 4mm offinal adhesive thickness

Sorry question was what size Trowell I would need for 3mm final thickness

Ok so what size Trowell would give me 2 to 3mm of final adhesive thickness

Ok that's an idea. What's it roughly the maximum thickness I could get in a single application

Is this correct my thinking was that they were generally angled at 45 Deg and therefore the height of the adhesive ridges would only be approx 50% of the actual notches

9mm

Just to get the tilel evel up to finish floor covering level. What is normal thickness for adhesive?

Hi all hoping someone can advice. I'm about to apply some tiles to my concrete hearth. Tiles are 4 x 2 inch. I need to achieve a final adhesive thickness of approx 6mm but am unsure how best to do this. Searching shows generally that the finished thickness will be half that of the notch ie 12mm...

Ok thanks for the advice yes I'm using heat proof adhesive. The advice to secure once set seems to make sense cheers

Hi I'm about to start boarding around my fireplace. I'm using 25mm vermiculite board. The company advise to fix with adhesive (dot and dab) and also screws as I'm tiling over the board. My question with this is should I fix the screws when I apply the board or should I let the adhesive set and...

Again just an update on my project. hearth now up to final level and opening bricked up. It's been slow going but feel like I'm getting somewhere now. Always happy for advice

Just got round to sorting this. Did 4.1 mix. Fairly wet with cement and SBS slurry first. Left it to stiffen up a bit and then leveled off the surface with a straight edge. Had wet towels over it for last four days to stop it drying too quickly. All looking good so far so thanks for all the...

Thanks very much for the info it's much appreciated I'll use a straight edge to level it off but should I float the surface as it starts to stiffen of just leave it.would floating give a harder final surface plus is 4.1 the best ratio for this

Yes I have some