Honeycombs are made from beeswax, a substance created by worker bees. When the temperature is right, worker bees secrete wax scales from special glands in their body. Then they chew the wax with a bit of honey and pollen to produce the beeswax.

How does Honeycombing occur?

WHAT CAUSES HONEYCOMBING? Honeycombing is caused either by the compaction not having been adequate to cause the mortar to fill the voids between the coarse aggregate, or by holes and gaps in the formwork allowing some of the mortar to drain out of the concrete.

What causes honeycombing in concrete?

There are many common causes of concrete honeycombing, including; ... Poor cement to water ratio, which can reduce the concretes workability. Inefficient means of vibration directly after the concrete is poured. Improper reinforcing bar placement at vertical and horizontal grade beam transitions leading to poor concrete ...