There have been 'alternative' adhesives (i.e. not mortar) on the market for decades. Mortar is just hard to beat on price and flexibility. But the question 'are

There have been 'alternative' adhesives (i.e. not mortar) on the market for decades. Mortar is just hard to beat on price and flexibility. But the question 'are there non-mortar ways to build and are they safe' has been answered.