Glue: Fact or Fiction

Glue: Fact or Fiction

- Yellow glues are stronger than white glues.
False – There is no difference in strength between white and yellow glue; however, yellow glue is easier to use and has better application characteristics. It’s tackier, thicker and more resistant to heat and solvents.

- Just about any type of glue works well with MDF.
True – This includes PVAs, epoxy and polyurethanes.

- Polyurethane is one of the best exterior wood glue to use in below freezing temperatures.
True – Polyurethanes are 100 percent solids, so there is no concern with minimum-use temperatures.  In fact, some tests show polyurethane adhesives increase as the temperature drops.

- There is no difference between water-borne and solvent-borne construction adhesives.
False – Solvent-based adhesives have a faster curing rate and faster dry-down rate as well.

- Solvent-based construction adhesives work best for fastening bathroom accessories to ceramic tile walls.
True – A multi-purpose construction adhesive works well, but a 100% silicone caulk also would work.

- Water-based wood glues fill gaps as good as any other.
False – Structural-rated glues like reactive hot-melts and epoxies are the best types of glue in situations requiring gap filling.

- A water-based wood glue works best for repairing veneer over partcleboard.
True – A water-based wood glue and even pressure works best for this situation.