Complete guide to mixing lime mortar

Roundtower Lime are a supplier of premium lime products to the conservation and eco build construction sectors.

The following video shows the mixing process of Roundtower NHL lime. This specific mix has been done with Roundtower NHL 3.5grey.

If you have any questions please leave a comment and we will get back to you.

[peaceout]

Very clear and easy to follow I've watched 50 youtubes on mixing and got nothing, got it all on this one, thank you.

[toonybrain]

Good job, indispensable visuals, couldn’t be any more clear. I feel that I could go out and accurately mix a batch ...

[teocastelvecchi]

i wish these tutorials educated more about the actual types of lime. like what hydraulic lime is for and when to use hydrated lime

[jimmillington]

I’m just about to repoint an exterior sandstone wall. Thanks for such clear guidance on the mix process. One question... Roughly, how long will a mix remain usable?

[Bernieclark]

If you put two half bricks in to the mixer it helps to get air into the mix making it smoother.

[brianlundy]

Thanks for the video, what kind of sand is needed for this mix? thanks

[samirmanohar]

put across in detail, done a step by step patient presentations using very simple and clear words while providing information. very helpful .Request  if one can show  application  of mix prepared  it feels complete.

[DenianArcoleo]

Great information clearly presented. Thank you very much.

[EastyUK]

Been looking at lime mixes for a binder material, Sadly the NHL is excessive cost in the west coast area of the US. I've been looking hydrated lime with a Pozzolan additive to have a similar result that is affordable. Hopefully NHLs will become available locally to make them more attainable in the future.

[kountryedge]

Thank you for this video! I feel that Ive been tugged and pulled into different directions on what to use in the U.S. as many state to add cement or buy a mix with cement.

I have a 1901 Queen Anne with a Rock foundation that needs a lot of help before it bows as there are gap openings from the old mortar that has crumbled into a white powder onto the floor.

I hope I can find what I need as I've also read that I need a certain type of sand, Sharp, I believe it was called.

I'll go and take some photos of the foundation and place them on mh google drive so you can see what it looks like.

This video is of great value and appreciation! Thank you!

[leeb.]

I had a stone retaining wall, 4 ft. high, built about 5 years ago. Along the top of the wall, they put flat stone, believe it is slate, about 1 inch thick. In any case, many of the flat stones across the top have come off. What would I use to cement or glue them down, so they don’t come off again? Should I remove and replace the old mortar, or just add new mortar (or glue) on top of the old? Thank you very much!

[ivelocitySales]

great video thanks - what sand do you use please?

[chrisbow]

Do you just use grit sand/sharp sand, not mix sharpsand with building or yellow sand?

[jimparson]

Would you need to add more water for an external render application? Could you use 3:1 Sand : Lime ratio for external render? For small jobs can you use the drill type paddle mixers? Thanks in advance on any response.

[sherifmuhaj]

Can you mix it with building sand instead of the sharp sand ?

[colonelbeatson]

i use for my job brighton cement hydrated lime thats australian and i am australian we use lime for straw bales and patch up work but this lime looks good.

[carltonbreezy]

Great video. That last bit of water has seen me ruin many a mix..🙈

[richardsaupe]

great vid, would you add sharp sand, if so in what ratio :)

[HenOnWheels]

Wish I clicked this video earlier. Clear what the mix is and what it can be used for.

[abrett]

Hi thanks for your vedio is this shap sand or builder sand ?