I need some help understanding how to go about replacing my chimney crown. I’ve just finished looking at it and see tons of cracks and gaps. Yuk!
FHB had an article about crowns (aka caps) in #117 that suggests using mortar to build up a crown in a form. But … it doesn’t say what kind of mortar (type S, type N, type ??). Others comment on the web that concrete is the only way to go.
What say you experts? Also, whatever I use, how do I calculate how many bags of mortar (concrete) to buy before I start?
Thanks in advance from a non-mason.