Pipe Bedding 4/20 mm delivered in Bedford
4/20 mm graded bedding is the workhorse size for larger-diameter and deeper drainage. The wider grading gives strong interlock and good haunch support under 225 mm and above, and it places quickly in volume — which matters when a trench run is measured in hundreds of metres rather than tens.
Into Bedford and across Bedfordshire we supply it loose by tipper, by grab lorry where a stockpile has to be loaded or reached over a boundary, or in bulk bags for plots a lorry can't discharge into. Stocked material is usually on site within 24–72 hours across MK40–MK45 postcodes. Artic loads on A421 warehouse sites, 8-wheel tippers and grab lorries for estate and infill work.
Specification
- Nominal size
- 4/20 mm graded
- Typical use class
- Bedding, haunch and surround
- Material
- Primary crushed rock or gravel
- Compaction
- Strong interlock, good haunch support
- Supply formats
- Loose tipper, grab lorry, artic, bulk bag
- Typical load
- 16–20 t tipper, 28–29 t artic
Lead time
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.
Typical uses on Bedford sites
- Bedding and surround to 225 mm and larger drainage
- Deep trench work where haunch support is critical
- High-volume adopted sewer and highway drainage runs
- Attenuation and soakaway fill where void ratio matters
Growth-arc housing here means drainage-led programmes: bedding stone in daily call-offs, sub-base for estate roads and topsoil for plot finishing. Riverside and floodplain sites near the Great Ouse need careful classification of arisings before muckaway, and capping is common where alluvial ground is soft.
What shapes Pipe Bedding 4/20 mm supply in Bedford
Drainage packages on growth-arc housing, estate roads and plot finishing around Bedford take Pipe Bedding 4/20 mm in daily call-offs rather than one bulk drop, so bedding lands as each run is dug rather than sitting in the way. Growth-arc housing plots on rolling drainage-led programmes decide whether it arrives by tipper, grab or bulk bag. Where the same site is also producing riverside and floodplain arisings needing careful classification before muckaway, we plan the removal and the delivery together so the lorry is not running one leg empty. The same routes serve Kempston, Milton Keynes and Biggleswade.
Questions we get asked
Is 4/20 mm suitable for adopted sewers?
It is widely used for adopted drainage bedding and surround, but the size and class must match the adopting authority's detail and your engineer's specification. We can supply grading and test data to support submission.
Can you deliver 4/20 mm in artic loads?
Yes — for bulk civils programmes we deliver 28–29 tonne artic loads direct to site on a booked call-off schedule, which is the lowest cost per tonne where access allows.
Which postcodes do you serve from Bedford?
MK40 to MK45 and the surrounding villages, plus Biggleswade, Sandy, St Neots and Rushden on the same routes.
Material out as well as in, around Bedford
Most deliveries into Bedford pair with a removal: the lorry takes your arisings to a licensed facility and comes back loaded, so you pay for one movement rather than two.
Need pipe bedding 4/20 mm in Bedford?
Send us the tonnage, postcode and access — quote back within one working day.