What Does D4 Mean in Glue

D3=Interior areas with frequent long-term exposure to running or condensed water. Exterior areas exposed to weather. D4= Interior areas with frequent long-term exposure to running or condensed water. Exterior areas exposed to weather.

Is D4 glue PVA?

Both D3 and D4 PVA’s will give a water resistant bond, but D4 is the higher standard, meaning that it can be used for external joinery. … D4 standard PVA adhesives have the highest degree of water resistance and can be used for external joinery applications.

How long does D4 glue take to set?

Clamp surfaces together until adhesive dries. (off in <1 hour: full strength 8 hours). Support until fully cured (8 hours at 20°C). When fitting dowels, the adhesive should be applied to the holes.