Soils & Materials
Turf Underlay Preparation
Turf underlay needs a consistent growing layer over a correctly formed base. A smooth top surface can conceal an uneven distribution of suitable soil.
Plan the surface handover
BeforeCheck the formation and the growing-medium requirements.
Work stagePlace underlay in controlled depths and correct small deviations without mixing it with the underlying layer.
AfterComplete the venue's final soil preparation and turf installation.
What to verify
Check local low areas and underlay thickness.
Material roles matter as much as surface levels. Growing medium, structural fill and pavement aggregate should not be treated as interchangeable simply because all can be moved by a scraper. The preparation and acceptance method must follow the intended layer.
Scope and limits
Do not infer a turf rootzone specification from the word underlay.
Continue the job brief
Include the location, existing condition, intended surface, material, available tractor and proposed dates.