What is the difference between Resin Bound & Resin Bonded?

The initial difference between resin bound and resin bonded systems is that one is porous, and the other is not.

Bound: Aggregate is mixed with resin in a mixer and then hand-trowelled into place to produce a surface that is smooth and porous.
Bonded: A layer of resin is screeded onto a surface and then a fine aggregate is scattered over the top and rolled in. This produces a rough surface that is not porous and as the whole aggregate is not bound within the resin can result in chippings loosening from the installation over time.

Porous resin bound surfaces perform better than non-porous resin bonded ones, allowing drainage of surface water and better environmental compliance.

in What is Resin Bound?
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