Typical depth of Addaflex-R bound surface:
30mm Addaflex-R Recycled Rubber & Aggregate Surface
A 100mm Depth of well compacted, nonfrost susceptible Type 1 or 3 granular sub-base (dependent on ground conditions) or locally available secondary or recycled aggregates which comply with the requirements of the specifications for Highway works for sub-bases.
A geotextile membrane to prevent upward migration of fine soil particles.
Regulated as required.
50mm Addaflex-R Rubber & Aggregate flexible resin bound surfacing installed up to tree trunk.
25-50mm Loose Aggregate
Tree pit soil