On the real historic buildings with Lime putty, I think the sand is more course and not super fine.

Most likely by the 1960s the bricks used to build your house were substantially harder than the ones in this video which are from 1880's. Harder bricks can withstand harder mortar. Older bricks need a lime based mortar because they are softer. First you need to know how hard your bricks are and then you can determine if the mortar is correct or not. If the bricks are showing damage but the mortar isn't that is a sure sign of a problem.

No, not generally if it's just a few grains but it depends what type of mortar it is. Cement mortar and lime mortars age differently.

@@PreservationWorks thanks for your feedback

You can use clay plaster on any earthen walls. The walls of this building are made of light clay straw, coated in 2 coats of NHL 2 lime plaster that was rodded flat, and then the American Clay plaster was applied to that. There were some dry wall interior walls as well.

@@PreservationWorks Thank you so much. I want to attend your workshop. It's a bit of a distance from New Mexico. 😊

The color was a lavender hued brown which matched the stone. To prevent cracking and failure you need to keep NHL mortar damp for 72 hours minimally after installation.

@powerofpositive I edited the response: Lime Works does sell a mortar mix using St Astier and various sands and pigments. We do not sell or use mortar mix but we do sell some alternatives to St. Astier that are different in their natural color, set times, and workability. Tigre nhl 3.5 for example is close to the color of butter and great for pointing mortar around here in PA, we can match mortar generally with just sand modification, it’s very close to what was here in olden days. Lafarge 2.0 is very white and excellent for plastering. Anyway, hope this helps clarify.

Crush brick powder

It looks like they are using some nhl from Spain,

Yes, we saw it too! The walls are alive! 😍

Bricks that age you need lime

Hi, this is my question aswell? Thanks :)

@@charlottewarburton5488 since this time I have started repointing the bricks on my house. I intend on replacing a lot of them, however, I am also going to try a bit of 'refacing' where they are not too bad. i.e. using brick dust (I have a lot!) and lime mortar to great a new facing to the brick. Not tried it yet, but thought you might be interest.

Go for it! We are building a stone foundation for our log house now with NHL 5 . Cement has its place, but often it is a terrible fit with natural stone/log. The British seem to have understood this for years and years. They don’t allow it’s use on listed historic buildings. America is yet to catch on, I guess?

@@Montana_Ranch_Rescue It's not as common as you'd think. Most of our old buildings aren't listed and still get re-pointed with cement

Put your head between your knees and kiss your ass good bye.

As long as it has a chance to cure, it should be fine underground; but it really depends on a lot of factors, especially if there are water issues there.

Agreed- we did not sand blast. We used low pressure with an aggregate yes; it's highly unlikely the stone will need replacing due to this light cleaning.

Same if it was glass mate just steam clean with it 👍 thermotech is top peace of kit i ues one everyday cleaning grade A listed buildings in the uk

We agree!

Glad it was helpful!