That product is a landscaping glue called Loctite PL500 Landscape Block & Stone Adhesive, and it has a list of attributes that sound like a DIY garden builder's dream.

Loctite PL500 landscape block and stone adhesive has been making waves in the home improvement community because it binds to stone, brick, concrete, and slate in 20 minutes and sets within a week.

LOCTITE PL Premium MAX construction adhesive is ideal for any interior or exterior project where long-term strength and durability is a must. It is great for stairs, railings, framing, flooring ...