Weldbond Adhesive is an extremely versatile glue that can be used to securely bond a wide range of art materials including glass, fabrics and wood. Weldbond is strong, even at low temperatures, but LIQUID Weldbond will ruin if allowed to freeze. DO NOT ORDER DURING HARD FREEZES OR STORE OUTDOORS.

Weldbond is an amazing product:

• clear drying
• strong bonding
• non-toxic
• non-flammable
• no volatile fumes
• very water-resistant once fully cured
• easy clean-up with soap and water
• can be added to grouts to improve strength and fracture toughness

The 8-ounce bottle is a convenient size for mosaic work, easy to handle yet not so small that it has to be refilled too often.

Weldbond is very water-resistant when fully cured, but it does soften when soaked for months and months, so use good judgment. Mosaics in wet locations such as pools and fountains and patios should be made with thinset bonding mortar (a type of sticky concrete) instead of adhesive.

Weldbond is a type of white glue or polyvinyl acetate (PVA), and there are other brands of PVA adhesives on the market. The reason that Weldbond is strongly preferred by many mosaic artists is simple:

• Detailed mosaic work requires that small tiles be positioned carefully.
• This is often difficult to do this without bumping other small tiles already in place.
• The thicker the glue, the less the tiles move when bumped.

In other words, Weldbond is "best" because it can take a lot of the frustration out of the work.

There are also several reasons why we think Weldbond might be more durable
in more adverse conditions. Read them at "Weldbond, Best Mosaic Adhesive"

We sometimes use lower-cost brands for presealing wooden surfaces before mosaic work. In those applications, a thinner glue is actually preferred for its spreadability. We often even add water so that we can brush the glue on.

But for detailed mosaic work, the thicker material provided by Weldbond is better.

For more information including MSDS, read the manufacturer's FAQ page.