There are many bonding materials, from modified to unmodified thin-set mortar and mastic to a polyurethane-based construction adhesive.
Read on to find the best outdoor tile adhesive for your next outdoor tile project.
For an outdoor patio, you will almost always use a modified thin-set mortar for an adhesive.
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Modified thin-set mortar attaches tile or stone to surfaces such as cement or concrete.
The additives in the “modified” thin-set will help it withstand weathering and time.
Adhesive materials like mastic or unmodified mortar do not the additives that resist water and temperature fluctuations.
A modified thin-set has more cement and polymers, helping it perform better.
you might pay anywhere from $10 to $25 per 50 pounds.
Another standard adhesive that is used for outdoor tiling projects is PL adhesive.
It is a polyurethane-based, moisture-curing adhesive that is much stronger than ordinary construction adhesives.
PL adhesive is pricey compared to thin-set, costing about $10 for a 28 oz.
Tip
Always refer to the tile manufacturers' recommended adhesive for your particular system.
What Is a Modified Thin-set Mortar?
It is amortarmade with Portland cement, fine sand, water, and latex additives.
Unmodified thin-set does not have latex additives.
Where Would You Buy This bang out of Tile Adhesive?
you might purchase modified thin-set mortar at most home improvement stores (Home Depot, Lowes, etc.)
Steer clear of mastics and other premixed tile adhesives for use outdoors.
How Much Tile Adhesive Do you better Buy?
Thin-set mortar comes as a dry mix, usually in 50-pound bags.
Smaller bags are sometimes available, as well.
Check the coverage chart on the back of your bag to determine how much tile adhesive you need.
How Do You Mix Thin-set Mortar?
You will need an electric drill and a paint paddle/mixer.
Most modified thin-set mortar products are mixed with water.
Some are combined with a latex liquid instead.
Always check the directions on your bag.
