Pipe bedding & surround

14 mm single size drainage stone

14 mm single size is a clean drainage stone used where a higher void ratio is wanted than 10 mm gives, without moving up to 20 mm. It is a common filter and surround medium around perforated land drainage and in shallow attenuation layers.

Get a delivered price Talk to sales

Key specifications

Nominal size: 14 mm single size
Grading: Clean, washed, fines removed
Material: Primary crushed rock or washed gravel
Permeability: High — filter and attenuation duty
Supply formats: Loose tipper, grab lorry, 850 kg bulk bag
Typical load: 16–20 t tipper, 850 kg bag

Typical uses

Surround to perforated land drainage
Filter stone behind drainage geotextiles
Free-draining pipe surround where fines are not permitted
Shallow attenuation and infiltration layers

Lead time and delivery

Stocked line — most postcodes in England and Wales are dispatched within 24–72 hours of order confirmation. Scotland and Highland deliveries are typically 3–5 working days. Programmed civils schedules are booked in advance and delivered to your call-off dates.

Tipper, grab and artic haulage. Where we are also removing surplus from your site the same lorry returns loaded, cutting haulage cost and empty running.

Frequently asked questions

Is 14 mm stone washed?

Yes — our 14 mm single size is supplied clean and washed with the fines removed, so it retains permeability in filter and land-drainage duty.

Do you supply 14 mm in bulk bags?

Yes, 850 kg bulk bags delivered by HIAB for lift-off onto driveway or pavement, or loose tipper and grab loads for larger volumes.

Other bedding and capping sizes

Pipe Bedding 4/10 mm Pipe Bedding 10 mm Pipe Bedding 4/14 mm Pipe Bedding 4/20 mm Pipe Bedding 20 mm Pea Shingle 6 mm All aggregates

Everything you need to spec, price and move material — tools, services and the exact material pages they relate to.