Apr 15, 2016 2:55 pm
We are using a exposure grade brick and it is stipulated within our quotation from our builder that we cannot have raked mortar between the brick we can only have mortar flush with the brickwork.
The problem we have is we have just noticed the brickies have ironed our mortar and are almost up the the first floor of our two story build.
We found the problem ourselves and rang our builder and they have said no problem we will just fill in the gap with mortar and make it flush. Now my question? if they add more mortar to end up with a flushed finish over the top of the the ironed finish is there a chance the mortar over time will fall or break away and start to look ugly.
Re: Mortar should be flush not ironed2
May 24, 2016 5:58 pm
The mortar for tuck pointing needs to be 20mm for a good job and costs in your situation as much as laying the bricks. Ironing the joints gives longer-lasting mortar because of the bringing of the fines in the mortar to the surface.
Re: Mortar should be flush not ironed3
Jun 23, 2016 11:39 pm
You can't re-point a rolled/ironed joint without it falling out down the track.
A rolled/ironed joint gives much better protection from salt absorption than a flush [unfinished] joint for the reason Leonardo_23 said.
It brings the fines to the surface and smooths out the joint but needs to be laid with an M4 mortar mix
http://thinkbrick.blob.core.windows.net ... -guide.pdf
See 2.3 Mortar Mix on Page 17 and 3.1.1 Purpose Page 20
Being a builder is more than just having once held a hammer. It's about the trades you hire and ensuring that they give a result that meets the industry standard and the home owners expectations.
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