I have used this product to line my forge muliple times and I gotta say it is incredibly durable and holds up to forge welding temperatures extremely well. I use a forced air propane forge and it gets up to welding temp pretty much every time I turn it on. Ive had to reline my forage maybe once a year using this product and all I have to do is just add more to the outside layer and it's good to go for another at least 6 months highly recommended. It holds up to borax flux very well also. Yes its thick and has aggregate.

Decent product, a lot of larger aggregate. You cal sift some out but obviously this will reduce the yield. Definitely more of a cement than mortar. I used it to make a shelf on either end of my gorge and it worked well. You might be able to use it over Kaowool but the finish would be very rough. Can't speak to longevity because I haven't had it that long.

It was a little chunky but for the bottom of my Wood stove it was fine. The old cement was cracked and chunks were missing. I used a deferent smoother refractory cement but it was a small container and cost 4 time as much per oz. Don't eat it it will upset your tummy;)

Easy to use, has held up great under high heat

The media could not be loaded. We used this to mix into some cement and sand mix to make slabs for our DIY brick stove and oven..

We used the rest with mortar mix and sand to make mortar to go between the fire bricks.

We cured it for a week, only lighting small fires inside and then started doing bigger fires to cook with and heat the porch of our off grid tiny house. So far no cracks!!

I'd buy this again in a heartbeat for our next project, a refractory cement rocket stove made from a 5 gallon bucket!