Vent: My old boss swore by a 3/8 inch joint, but I'll never go over a 1/4 inch now.

The extra mortar just makes a weaker wall and costs more, plain and simple. Anyone else find their old training was just dead wrong on this?

2 comments

2 Comments

You say a weaker wall, but honestly, how many walls actually fail from the joint size? Seems like one of those things that gets argued to death.

-1

Saw a buddy's garage wall crack right along the mortar line last year, @holly_williams. Makes you wonder if it really matters, doesn't it?