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Serving Concrete Across South West England

We are a leading supplier of ready mix concrete, concrete blocks, concrete pumps, bulk bag gravel and liquid screed across England and Wales.

Consider us your dedicated one-stop-shop for all things concrete – whether you require ready mix concrete of the highest quality, or you need an efficient concrete pump for delivering your concrete or screed, we can help.

Not only do we have our Innovative Mini Pump which is ideal to reach those restricted access areas, but we also have the UK’s tallest concrete pump too!

Ready mix concrete

Bristol
Cheddar
Newport
Avonmouth
Bath
Frome
Weston-super-mare
Chippenham
Glastonbury

Paignton

 

Liquid screed

Bristol
Cheddar
Newport
Avonmouth
Bath
Frome
Weston-super-mare
Chippenham
Glastonbury

Ready to find out more? Contact our team today or click your location on the map to find out how our services are tailored to your area!

No.1 for Ready Mix Concrete and Liquid Screed

 

As the UK’s leading one stop shop for concrete services, Wright Readymix has an unrivalled reputation within the concreting industry. We supply high quality ready mix concrete and liquid screed for both commercial and residential purposes, offering reliable solutions for every type of build. Whether you’re laying concrete for driveways, pouring a concrete shed base, or need strong, durable concrete for footings and foundations, our expert team can ensure the right mix for your specific requirements. Every batch is carefully produced for strength, consistency, and longevity, helping you achieve a professional finish on every project.
 
To understand more about what we do and how to choose the right option for your project, please read our complete guide to concrete pumping. 
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News
Does Hot Weather Affect Curing a Concrete Shed Base?
15th July 2026

A hot spell might feel like ideal pouring weather, but it is exactly when curing a concrete shed base gets hardest to do properly. Heat pulls moisture from the surface faster than the concrete underneath can build strength, so a slab that looks dry by lunchtime can still crack within the week. Leave it uncovered on a warm afternoon, and you risk plastic shrinkage cracking, a soft core under a hard crust, or a slab that fails months later.

None of that is inevitable. Get the concrete for a shed base right at the ordering stage, then time the pour and protect the surface while it cures. Do this and you’re assured of a summer pour holds just as reliably as one poured in spring.

The difference between a base that lasts and one that cracks comes down to a handful of decisions made on day one.

Why Hot Weather Speeds Up Drying without Speeding up Strength

Heat, wind and low humidity all pull moisture out of a slab faster, but the concrete underneath still needs its full curing time to gain strength. That mismatch, a dry crust over a soft core, is what causes plastic shrinkage cracking on shed bases poured in summer. Higher temperatures also speed up cement hydration, giving a slab that feels strong early on at the cost of its long-term strength.

This summer has already brought a run of exceptional heat. The Met Office confirmed a record eight days above 34°C this year, the first on record with 35°C readings across May, June and July. A shed base with no shade will run hotter still [1].

BS 8500 sets a 35°C limit on concrete temperature at discharge for three reasons [2]:

  • Loss of workability, making the mix harder to place and compact.
  • Faster evaporation than strength gain, causing shrinkage cracks.
  • Thermally induced stress as the slab cools, raising cracking risk.

Why Fast Surface Drying Isn't Fast Curing

Wind and low humidity make the evaporation problem worse still, since both speed up moisture loss regardless of the air temperature. The mechanics of how concrete cures don't change with the weather; only the timing does.

Time Your Pour Before the Sun Gets to It

The biggest lever you have over hot weather curing is when you pour. The British Ready-Mixed Concrete Association’s (BRMCA) practical guide for site personnel sets a two-hour limit between loading and placing ready-mixed concrete, shorter still in hot weather. Heat speeds up how fast the concrete loses workability, so a stiff mix at the chute is one you're fighting rather than placing [3].

Shed bases aren't the only pour that suffers in this weather. The same discharge window and admixture questions apply to any pour scheduled during a heatwave.

However, if it's a scorching day, ask your supplier whether the load needs a retarding admixture at the plant to buy more working time. Flag it if your mix is air-entrained too, since entrained air turns unstable above 30°C, five degrees below the general limit, so delivery temperature needs tighter control.

Order for early morning delivery, as the concrete's most vulnerable hours land before the day's heat peaks rather than during it. Get the site ready before the truck is due, and the early-morning slot does its job properly.

A few things are worth locking down before the truck arrives:

  • Confirm your delivery slot for early morning, before eight.
  • Have shading or covers ready before finishing work is done.
  • Ask your supplier if a retarding admixture is worth adding.

None of this changes the mix itself. It just buys the concrete time to cure before the heat starts working against it.

Protect a Freshly Poured Base While It Cures

Once the base is placed, the job is keeping moisture in, not adding more on top. Covering the slab, shading it and controlling rewetting keeps enough water in the mix to cure properly, not just look dry on top.

Good curing, not a stronger mix, reduces drying shrinkage cracks, according to the Concrete Society, by giving the concrete more time to build strength before it dries out. Shrinkage happens in the cement paste, not the aggregate, which is why managing how it dries does more to prevent cracking than anything added to the mix [4].

3 Habits That Undo an Otherwise Good Pour

  • Hosing the surface down mid-afternoon to cool it off.
  • Leaving the sheeting off overnight because the day felt cool enough.
  • Removing formwork early because the surface looks set.

If this is a first shed base pour, our guide on preparing a shed base covers prep done for April conditions rather than August ones.

Getting It Right Despite the Heat

Before this, hot weather curing probably looked like one more risk on a job you were already unsure about. After it, the plan is straightforward, and it comes down to three habits rather than luck. Follow them, and a slab poured in August cures just as reliably as one poured in April, only with more attention along the way.

The steps that matter most:

  • Pour first thing in the morning, before the heat builds.
  • Cover the base and keep the sheeting on overnight.
  • Leave the hose alone, however dry the surface looks.

Wright Readymix has supplied ready-mixed concrete and advice on jobs like this across the South West and South Wales for years, from small domestic pours to full commercial slabs. Our team talks through mix, volume and delivery timing before you book, then follows through on delivery day too. That matters most when the weather is working against the pour rather than with it.

Call 0117 958 2090 or get in touch to talk through timing and delivery for a shed base pour in hot weather.

External Sources

[1] GOV.UK, Met Office, Heatwave Continues as UK Records Unprecedented Run of 35°C Days (2026): https://www.metoffice.gov.uk/about-us/news-and-media/media-centre/weather-and-climate-news/2026/heatwave-continues-as-uk-records-unprecedented-run-of-35c-days

[2] Concrete Society, Hot Weather Concreting (2025): https://www.concrete.org.uk/fingertips/hot-weather-concreting/

[3] British Ready-Mixed Concrete Association (BRMCA), Ready Mixed Concrete – Practical Guide for Site Personnel (2017): https://brmca.org.uk/documents/BRMCA_Ready_Mixed_Concrete_Practical_guide_October_2017.pdf

[4] Concrete Society, Reducing Drying Shrinkage Cracks (2025): https://www.concrete.org.uk/fingertips/reducing-drying-shrinkage-cracks/

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How to Clean a Concrete Driveway & Remove Oil Stains
17th June 2026

The car is sold, moved on, or replaced, and what’s left behind is a dark patch that wasn't there before. Months later, it’s still there, slightly duller than the surrounding concrete, no matter how many times a hose has been run over it. A driveway like this is one of the first things anyone notices, whether that’s a visitor, a neighbour, or a buyer looking round a property.

The good news is that most of it comes off. A clean concrete driveway is achievable with a methodical approach, using the right method for the right stain and starting gently before working up. Anyone weighing up concrete for driveways that resists staining from the outset might find that worth a look too.

Here is what actually works, stain by stain.

Common Types of Concrete Driveway Stains

The three stains you are most likely to be dealing with are oil and grease, rust, and general dirt with moss or algae. Each behaves differently once on concrete, which affects how you tackle it.

Oil and grease are the trickiest because concrete is so porous. According to Which?, this high porosity makes concrete the hardest surface type to clean, allowing stains to work their way deep into the surface, which is why a fresh spill that looks easy to wipe up can leave a shadow behind weeks later. Rust marks usually come from metal garden furniture, tools, or a car jack left in the same spot for too long, and they tend to sit closer to the surface than oil [1].

Dirt, moss, and algae build up over time in shaded or damp areas and are mostly surface issues rather than penetration issues. Stubborn black spots from lichen that thrives in moist conditions can be more resistant and may need repeat treatment.

The driveway needs different things depending on which of these you are dealing with:

  • Oil and grease stains need to be absorbed first, then a degreaser is applied multiple times.
  • Rust marks respond well to a rust-specific remover applied directly to the mark.
  • Moss, algae, and dirt usually lift with a stiff brush, detergent, and a rinse.

How To Remove Oil Stains from Concrete

The most reliable approach to oil stains starts gently. If the spill is fresh, the first job is to stop it from spreading and soaking in further, so blot it with an absorbent material like cat litter or sawdust rather than wiping it across the surface.

For older stains, household products are worth trying before reaching for anything stronger. Squirting washing-up liquid into a bucket of warm water, pouring it onto the affected area, and scrubbing with a broom before rinsing thoroughly is a method some people swear by. Baking soda mixed into a paste and left on the stain for a few hours before scrubbing can also help draw oil out of the surface.

Why Oil Is So Hard to Shift Once It's Set In

Once oil has had time to soak into the concrete, it bonds with the material at a level a surface wipe cannot reach. A concrete-safe degreaser, applied as the manufacturer instructs and left to work before rinsing, is designed to break down oil that has penetrated rather than just sitting on the surface.

Stubborn or older stains rarely lift in one go. Repeating the treatment, sometimes two or three times over a few days, gradually draws more oil out with each application. If a small domestic patch is part of a wider project, our DIY concrete page covers what is involved in replacing a section rather than just how to clean it.

Pressure Washing Tips for Concrete Driveways

A pressure washer can help with general grime and can assist with oil and rust once the stain has already been treated, but it is not a stain remover on its own, and the wrong technique can do real damage to the surface. Getting the settings right matters more than the machine's power.

For concrete and brick, Which? recommends the following settings and technique:

  • Use a 15-degree nozzle with a pressure setting of 2,500 to 3,000 PSI.
  • Start with lower pressure and test a small area first.
  • Work in a consistent sweeping motion, taking care around softer or damaged bricks.

Pressure washing is most useful as a finishing step, after a degreaser or detergent has already broken down the stain. Used that way, it rinses away loosened dirt and residue without forcing reliance on raw pressure to shift the mark itself [2].

What to Avoid When Cleaning Concrete

A few common habits cause more harm than the stain they are meant to fix, and it is worth knowing what they are before you start. The following three mistakes account for most avoidable damage:

  • Going straight to the highest pressure setting without testing a small area first.
  • Using undiluted bleach or strong acidic cleaners, which can etch the surface.
  • Holding the lance too close can dislodge mortar and let weeds establish.

If a cleaned patch ends up looking lighter, rougher, or more porous than the rest of the driveway, one of these is usually the cause. At that point, the best fix is often a sealant over the whole drive to even out the appearance and protect it going forward.

Talk to the Team Before You Decide

A driveway covered in oil stains and old grime can feel like a lost cause, but most of it lifts with patience and the right order of steps. Once it is clean, sealing the surface protects against future spills and keeps the drive looking right for longer.

Wright Readymix has spent years supplying concrete for driveways and domestic projects across the South West and South Wales, and understands the wear that leads to these stains in the first place. If an existing driveway is past the point where cleaning helps, or a new one needs a mix built for durability, the team can talk through the options.

Get in touch to discuss your driveway concrete requirements or call 0117 958 2090 to speak to the team directly.

External Sources

[1] Which?, Danny Dougan, Best Patio Cleaners 2026: https://www.which.co.uk/reviews/patio-cleaners/article/best-patio-cleaners-a8cIA3O3krKQ

[2] Which?, Manca Virant, Common Mistakes To Avoid When Using a Pressure Washer: https://www.which.co.uk/news/article/common-mistakes-to-avoid-when-using-a-pressure-washer-a6q3O7U8gTit

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How to Prevent Air Pockets in Concrete Slabs & Bases
08th June 2026

A concrete slab should be a uniform mass. When air pockets in concrete disrupt that uniformity, the result is a network of weak points distributed throughout the structure. Now, these points may not show at the surface, but they will determine where the slab fails first.

What makes it frustrating is that the conditions producing voids are almost entirely within your control. Mix consistency, pour technique, vibration, and base preparation all play a part, and each is manageable with the right ready mix concrete and the right approach on site.

Here is what you need to know before your next pour.

What Causes Air Pockets in Concrete?

Air pockets, also called voids or entrapped air, form when air becomes trapped inside the concrete mix during or after the pour. Unlike air-entrained concrete, where microscopic bubbles are deliberately introduced to improve freeze-thaw resistance, entrapped air is uncontrolled and damaging.

The most common causes are:

  • Pouring concrete too quickly into the formwork.
  • Using a mix that’s too stiff to flow around the reinforcement.
  • Failing to compact or vibrate the concrete after placement.

Mix consistency matters throughout. A mix that is too dry will not move freely enough to fill the formwork, while an overly wet mix can segregate, with aggregate sinking and water rising to the surface.

Why Air Pockets Lead to Weak Concrete

Voids reduce load-bearing capacity and structural integrity. A slab with internal air pockets is not a uniform mass; it is a series of weak points connected by sound material, and under load, those weak points become the failure points.

For applications such as shed bases and driveways, surface consequences matter as much as structural ones. The Concrete Society (CS) defines honeycombing as coarse, stony areas caused by insufficient fine material, poor mixing, or formwork leakage [1].

Shallow honeycombing is mostly cosmetic, but deeper areas reduce the protection the concrete cover provides to reinforcement, and correction requires increasing the sand and cement content, along with proper mixing and compaction.

Our Newport project where concrete pumping was required in challenging site conditions shows how mix and placement decisions play out together on a real job. It’s a useful reference if you are dealing with access constraints or restricted pours.

How to Prevent Air Pockets During Pouring

Pour in layers rather than placing the full depth in one go. This gives you control and allows each layer to be compacted before the next goes in. Avoid dropping concrete from height; the further it falls, the more likely it is to segregate or trap air on impact.

It is also worth understanding the difference between entrapped air and deliberately entrained air. CS notes that air-entraining admixtures produce small, stable bubbles, mostly below 1mm in diameter, distributed uniformly through the mix to improve freeze-thaw resistance. However, for every 1% increase in air entrainment, concrete strength falls by about 5%. Uncontrolled entrapped air introduces far larger, irregular voids with none of those benefits [2].

The Role of Vibration & Compaction

Proper compaction is the most reliable way to remove entrapped air after placement. CS is clear that concrete not properly compacted will have reduced strength, increased permeability, reduced durability, and surface blemishes, including blowholes and honeycombing. Vibration works by fluidising the concrete, allowing entrapped air to rise to the surface [3].

For in-situ pours, an internal poker vibrator is the standard tool for thick sections. For smaller DIY pours, rodding (working a straight bar up and down through the mix) provides basic compaction; it is less effective than mechanical vibration but significantly better than nothing. On thin slabs, tamping with a straight edge helps consolidate the upper layer and close surface air.

Finishing Techniques to Avoid Surface Defects

The timing of finishing matters as much as the method. Bleeding occurs when mixing water rises to the surface as solid components settle, and it continues until the cement paste stiffens enough to halt the process.

CS identifies two risks with the top surface finish. If bleed water is remixed during finishing, the result is a weak top layer; therefore, finishing should wait until the bleed water has evaporated. If evaporation outpaces bleeding, plastic shrinkage cracking may occur [4].

Screeding should follow immediately after compaction; a bull float is then used in long, overlapping passes, and a broom or trowel finish is applied once the surface has lost its sheen. Avoid overworking the trowel, as it can bring fines to the surface and seal in air just below.

Practical Tips for Better Concrete Slabs

A few consistent habits reduce the risk of air pockets across most pours:

  • Check your base before the truck arrives; soft spots will not compact out.
  • Use a GEN3 or C20 for most domestic bases; stiffer mixes are harder to consolidate.
  • Have compaction equipment ready before the pour starts, not after.
  • Pour at a pace your compaction can keep up with; do not let sections outrun you.

Read the site before booking; access and slope shape how the pour runs.

These are not complicated adjustments, but they are easy to skip under time pressure. The contractors and self-builders who see consistent results are the ones who plan the pour as carefully as they plan the specification. Our testimonials reflect that, time and again, the jobs that go smoothly are the ones where preparation came first.

For projects where standard truck access is not possible, our innovative mini pump handles restricted sites where wheelbarrows cannot reach. So you can keep pour control intact even on difficult ground.

Getting Air Pockets Right Starts Before the Pour

Air pockets do not form by accident. They form when preparation is skipped, the mix consistency goes unchecked, or compaction gets rushed. The result is a slab that looks sound on the day and shows its weaknesses later. Remember, the steps in this guide need to be in place before the truck arrives, not after.

Wright Readymix supplies ready mix concrete and liquid screed to contractors and domestic customers across the South West and South Wales, from five plants with consistent mixes designed for the applications that matter on real sites. Part of The LGW Group, the team is available 24/7 to advise on specification, volume, and delivery logistics.

Call 0117 958 2090 or get in touch to discuss your pour, your mix specification, or anything else you need to get the job done properly.

External Sources

[1] Concrete Society (CS), Fingertips, Honeycombing of Concrete: https://www.concrete.org.uk/fingertips/honeycombing-of-concrete/

[2] Concrete Society (CS), Fingertips, Air-Entraining Admixtures: https://www.concrete.org.uk/fingertips/air-entraining-admixtures/

[3] Concrete Society (CS), Fingertips, Compaction of Concrete: https://www.concrete.org.uk/fingertips/compaction-of-concrete/

[4] Concrete Society (CS), Fingertips, Bleeding and Segregation: https://www.concrete.org.uk/fingertips/bleeding-and-segregation/

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Are Recycled Aggregates Cheaper Than Natural Gravel?
12th May 2026

When you are planning a driveway sub-base, a garden path, or a shed base, the choice between recycled aggregates and natural gravel is one of the first decisions you will face. Both materials are widely available in the UK, but ordering the wrong one is easy to do. They look similar on a price list but behave differently on site, and specifying one where the other was needed can result in poor drainage, an unstable base, or a surface that does not meet the brief.

The cost gap between the two goes beyond the unit price. There are key differences to know:

  • Recycled aggregate is exempt from the Aggregates Levy; virgin stone is not.
  • Haulage distances for recycled material are often shorter, keeping costs lower.
  • Natural gravel delivers more consistent drainage and finish for visible surfaces.

Our bulk bag aggregates and gravels are available in 17 options, and our team are on hand to confirm the right specification before you order.

Here is what you need to know before you choose.

The Cost Difference Between Recycled & Virgin Aggregate

Recycled aggregate carries a built-in cost advantage that goes beyond the unit price. The Aggregates Levy applies to virgin quarried material, not to recycled aggregate, and, according to HM Revenue & Customs (HMRC), the current rate is £2.16 per tonne as of April 2026. That exemption is a real saving that suppliers can pass down the chain [1].

Natural gravel in bulk bag quantities usually runs between £60 and £100 per bulk bag, depending on type, delivery distance, and demand. Recycled crushed concrete comes in at lower prices, often by a meaningful margin on large volumes. Recycled aggregate is also sourced from demolition and excavation waste close to the point of use, which keeps haulage costs below those of quarried stone brought from further afield.

For a broader breakdown of what affects ready-mix pricing in the South West, our ready mix concrete prices guide covers volume, mix type, and delivery variables in detail.

How Recycled & Natural Gravel Actually Perform

Recycled aggregate performs well in structural applications, such as sub-bases, fill material, and compacted bases, but it behaves differently from natural gravel in certain conditions. For load-bearing and compaction, recycled crushed concrete is a reliable choice when properly laid and compacted. The Department for Transport's (DfT) Specification for the Reinstatement of Openings in Highways (SROH) states that recycled or primary materials, or any combination of the two, are permitted for reinstatement provided they meet the relevant performance and compositional requirements [2].

Drainage is where the two materials start to diverge, and natural gravel is the more reliable choice where free-draining performance is a design requirement. Recycled aggregate varies more in particle size and composition, so drainage rates are less uniform. Longevity follows a similar pattern. Natural gravel retains its properties over time, while recycled aggregate's mixed composition can lead to greater batch variability.

For a practical look at how recycled and natural aggregate behave on a live commercial project, our 80m3 ready mix concrete & concrete pump case study from Ferndale shows how material specification and site conditions interact on a real pour.

Matching the Right Aggregate to Your Project Type

The Environment Agency (EA) and Waste and Resources Action Programme’s (WRAP) Quality Protocol for aggregates from inert waste sets out the end-of-waste criteria that recycled aggregate must meet before it enters general construction use. Once a producer meets those criteria, the material ceases to be classified as waste and becomes a specified product on equal footing with quarried aggregate. The approved applications are wider than many buyers assume, covering sub-base, capping, general fill, pipe bedding, drainage, hydraulically bound mixtures, concrete, and asphalt [3].

Recycled aggregate is well-suited to:

  • Sub-base layers for driveways, paths, and hard-standing areas.
  • Backfill, general fill, and earthworks where a decorative finish is not required.
  • Shed bases and utility areas where the surface will be covered or concealed.

Natural gravel is the better choice when:

  • The surface will be visible, and the decorative finish matters.
  • Consistent drainage performance is a design requirement.
  • The project involves planting beds, path edging, or landscape features.

Combining both materials works well on larger projects. A recycled aggregate sub-base with a natural gravel top layer gives cost efficiency at depth and reliable performance at the surface.

If your project involves a driveway or hard-standing with a gravel surface finish, our guide to how to use bulk bag gravel for driveways to help curb appeal covers installation, depth, and material selection in full.

The Sustainability Case for Recycled Aggregate

Using recycled aggregate diverts material from landfill and reduces demand for quarried stone. Both outcomes carry real environmental weight.

Using recycled aggregate diverts material from landfill and reduces demand for quarried stone. In November 2025, Nuclear Restoration Services confirmed that over 15,000 tonnes of concrete from the decommissioned Sizewell A nuclear power station had been crushed, tested, and certified to the WRAP Quality Protocol before being transported to Sizewell C. The material is being used as a sub-base for foundation platforms, preventing 28 tonnes of CO₂ emissions and keeping almost 800 vehicle movements local [4].

For domestic and commercial projects, the principle holds at a smaller scale. Choosing recycled aggregate where performance requirements allow it reduces the extraction of virgin materials and lowers a project's carbon footprint without compromising the result. The important caveat is to source from a reputable supplier who can confirm the material meets the Quality Protocol standard, as not all recycled aggregate is equal in quality or consistency.

Three Questions to Ask Before You Order Aggregate

Before the Quality Protocol existed, recycled aggregate was difficult to specify with confidence. That has changed. There is now a clear framework for when recycled material is appropriate, how it should be sourced, and what performance to expect.

The decision comes down to three practical questions:

  • What does the surface need to do: bear load, drain freely, or finish well?
  • What volume are you ordering, and does the levy saving make a material difference?
  • Can your supplier confirm the recycled aggregate meets the Quality Protocol standard?

Wright Readymix supplies bulk bag aggregates and gravels across the South West and South Wales, with 17 aggregate options available for domestic and commercial projects. The team can advise on the right material for your application before you order, whether that is recycled crushed concrete for a driveway sub-base or natural gravel for a visible garden surface. Five concrete plants across Bristol, Avonmouth, Newport, Cheddar, and Paignton keep delivery distances short, and logistics well managed.

Call 0117 958 2090 or get in touch to discuss your aggregate requirements and arrange delivery to the site.

External Sources

[1] GOV.UK, HM Revenue & Customs (HMRC), Rates and Allowances — Aggregates Levy (2026): https://www.gov.uk/government/publications/rates-and-allowances-aggregates-levy/rates-and-allowances-aggregates-levy

[2] GOV.UK, Department for Transport (DfT), Specification for the Reinstatement of Openings in Highways (SROH) (2020): https://assets.publishing.service.gov.uk/media/6839b437210698b3364e86f7/reinstate-works-after-doing-streetworks.pdf

[3] GOV.UK, Environment Agency (EA), Waste and Resources Action Programme (WRAP), Quality Protocol, Aggregates from Inert Waste (2013): https://assets.publishing.service.gov.uk/media/65fd7426f1d3a0001132add0/CD1.Y_Quality_Protocol.__Aggregates_from_inert_waste.__End_of_waste_criteria_for_the_production_of_aggregates_from_inert_waste._WRAP_October_2013..pdf

[4] GOV.UK, Nuclear Restoration Services (NRS), Nuclear Decommissioning Authority (NDA), Sizewell a Concrete Reused at Sizewell C (2025): https://www.gov.uk/government/news/sizewell-a-concrete-reused-at-sizewell-c

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