What glue is used to granite outdoor concrete?

Epoxy adhesive is a strong, durable adhesive that is often used to bond granite to concrete. It is a two-part adhesive that must be mixed together before use. Epoxy adhesive is typically waterproof and resistant to weathering, making it ideal for outdoor use.

Polyurethane adhesive

Polyurethane adhesive is another strong, durable adhesive that can be used to bond granite to concrete. It is a one-part adhesive that does not require mixing before use. Polyurethane adhesive is typically waterproof and resistant to weathering, making it ideal for outdoor use.

Acrylic adhesive

Acrylic adhesive is a less expensive option that can be used to bond granite to concrete. However, it is not as strong or durable as epoxy or polyurethane adhesive. Acrylic adhesive is typically waterproof, but it may not be as resistant to weathering as epoxy or polyurethane adhesive.

When choosing an adhesive to bond granite to concrete, it is important to consider the following factors:

* The weight of the granite

* The type of concrete

* The weather conditions to which the adhesive will be exposed

* The desired level of strength and durability

It is also important to follow the manufacturer's instructions for mixing and applying the adhesive.