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Blocks, Paving & Concrete

Concrete Blocks

4" Concrete Block  

 

Size: 100 x 215 x 440mm
Strength: 7.3N/mm²

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These high-strength 100mm solid dense concrete block from Dennis Mays are designed for durability and versatility in a wide range of construction applications. Suitable for both internal and external use, they performs reliably above and below ground.

 

Ideal for:

  • Cavity and solid wall constructions

  • Internal load-bearing walls

  • Beam and block flooring systems

  • Plaster finishes and as a base for fixings

 

Whether you're working on a new build or a renovation project, this robust block offers excellent load-bearing capacity and long-lasting performance.

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Available in:

  • Singles

  • Rings of 18

  • Full packs of 72

4" concrete block
packs of blocks
6" concrete block
pack of 6" blocks

 

6" Concrete Block 
 

Dimensions: 140 x 215 x 440mm

Strength: 7.3N/mm²

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Our 6" solid dense concrete block from Dennis Mays offers superior strength and versatility for a wide range of building applications. With a compressive strength of 7.3N, this block is ideal for both internal and external use, suitable for above and below ground projects.

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Perfect for:

  • Cavity or solid wall constructions

  • Internal load-bearing walls

  • Beam and block flooring systems

  • Receiving plaster coatings

  • Serving as a reliable base for fixings​

 

Available in:

  • Singles

  • Rings of 12

  • Full packs of 48

 

Built to deliver durability and ease of installation, this block is a dependable choice for your construction needs.

 

12" Trench Block

 

Dimensions: 300 x 100 x 440mm

Strength: 7.3N/mm²

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Our 12" Trench Blocks from Dennis Mays feature a 300mm wide design, perfectly suited for constructing a 100mm inside leaf and a 100mm outside leaf of blockwork or brickwork, creating a 100mm cavity in between. Engineered for durability with a strength rating of 7.3N, these blocks provide reliable performance for trench construction projects.

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Available in:

  • Singles

  • Rings of 13

  • Full packs of 54

12" trench block
4x4 dolly block

4" x 4" Dolly

Dimensions: 100 x 100 x 440mm

This solid, dense concrete block from Dennis Mays is designed to help with course height adjustments, providing reliable and sturdy support where needed.

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Available in:

  • Singles

  • Full packs of 144

6" x 4" Dolly

Dimensions: 140 x 100 x 440mm

This solid, dense concrete block from Dennis Mays is designed to help with course height adjustments, providing reliable and sturdy support where needed.

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Available in:

  • Singles

  • Full packs of 108

6x4 dolly block
6x6 dolly block

​6" x 6" Dolly

Dimensions: 140 x 140 x 440mm

This solid, dense concrete block from Dennis Mays is designed to help with course height adjustments, providing reliable and sturdy support where needed.

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Available in:

  • Singles

  • Full packs of 72

Concrete Briquette

Dimensions: 100 x 65 x 215mm

This solid, dense concrete brick from Dennis Mays is designed to help with course height adjustments, providing reliable and sturdy support where needed.

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Available in:

  • Singles

  • Full packs of 416

Concrete bricketts

Lintels

Concrete Lintels

Prestressed Concrete Lintels

 

Our range of prestressed concrete lintels offers a durable, cost-effective solution for supporting masonry around door and window openings. Engineered for strength and resilience, these lintels ensure long-lasting structural integrity with minimal maintenance.

 

Available Sizes (mm):

  • Width x Height: 100 x 140 mm or 100 x 65 mm

  • Lengths: 600, 900, 1200, 1500, 1800, 2100, 2400, 3000

 

Choose our prestressed concrete lintels for reliable support that meets your building requirements efficiently and economically.

Kerbs & Edgers

Kerbs

 

We offer a carefully selected range of high-quality road kerbs to suit various construction needs. Our stock includes chamfered kerbs, bullnose dropped kerbs, left and right droppers, as well as internal and external corner pieces. Whether you're working on driveways, pathways, or road edges, our kerbs provide durable and reliable solutions to complete your project with precision.

Kerb stones
Edgers Round Top Glendenning

Edgers
 

Our range of garden and path edging kerbs not only prevents garden or grass from encroaching onto your paved areas but also adds a decorative touch to your outdoor space. Available in flat-topped, bullnose, and round-topped styles, these textured and attractive edgings offer both functionality and aesthetic appeal. Crafted to enhance the look of your garden beds, pathways, and driveways, they provide a neat, professional finish while ensuring long-lasting durability. Perfect for landscaping professionals and DIY enthusiasts alike, our edging solutions elevate the overall design and help define your project with style and precision.

Coping Stones

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Our double weather apex coping stones are available to suit both 4" and 6" block walls. They provide an essential protective barrier on wall tops, shielding them from rain, snow, and other weather elements. By preventing water ingress, these coping stones help extend the lifespan of your walls, ensuring durability and long-lasting performance.

Coping Stones Glendenning

Slabs

Glendinning Slabs

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We are a supplier of all Glendinning paving and walling products - the below items are kept in stock but we can source anything from the adjacent catalogue. Please note that special ordered items may need to be ordered in specific pack quantities.

slabs walter bailey

Rockriven

 

Experience the timeless beauty of natural stone with Rockriven paving slabs. Featuring a distinctive low-relief riven finish, these slabs capture the look of high-end natural stone while offering the practicality of a smoother, more even surface - perfect for stable garden furniture. Their straight edges create a sleek, modern aesthetic that complements any outdoor space.

 

Available in:

  • Buff

  • Natural Grey

  • Charcoal

 

Sizes:

  • 450 x 450 mm

  • 600 x 600 mm

 

Transform your garden with the perfect blend of elegance and functionality.

Rockriven finish slab

Devonscape

 

Devonscape paving slabs offer a smooth, refined surface with a subtle fine gauze imprint that provides added slip resistance. While some minor surface blemishes may appear due to the absence of secondary pressing, these naturally fade over time with weathering, adding character and charm to your outdoor space.

 

Available in:

  • Buff

  • Natural Grey

  • Charcoal

 

Sizes:

  • 450 x 450 mm

  • 600 x 600 mm

 

A perfect balance of style and practicality for your garden or patio.​​

Devonscape finish slab
slabs walter bailey

Cement

Paper​ Bags

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Blue Circle General Purpose Cement offers exceptional performance across a wide range of standard uses including concrete, mortar, rendering and screeds. General Purpose Cement can be used from the smallest DIY job to the largest project.

 

N.B. Compatibility with admixtures should be checked with the admixtures manufacturer. If unsure, use Blue Circle Hydralime.

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Suitable for:

  • Concreting

  • Bricklaying

  • Floor screeding

  • Screeding​

Blue Circle General purpose cement
blue circle mastercrete cement

Plastic Bags​

 

A Portland limestone cement solution for general purpose work – both professional and DIY. Mastercrete cement is multipurpose benefiting from additives to enhance workability. It has improved resistance to freeze/thaw attack when compared to traditional cement. It also has a lower water demand than traditional cement and produces a more cohesive mix. Mastercrete is suitable for use in concretes, bricklaying, floor screeds and renders.

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Suitable for:

  • Concreting

  • Screeding

  • Bricklaying

  • Rendering​

 

Waterproof packaging

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Rapid Set

 

When you need to get the job done fast Blue Circle Extra Rapid Cement is the perfect solution. Rapid setting and hardening cement for use when time is short. It sets in just 30 minutes and is suitable for concrete drives, paths and steps; fixing fence posts, railings and copings; setting manholes and for repairing rendering and floor screeds.

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Suitable for:

  • Floor traffic 

  • Disruptive weather

  • Improving building schedules

  • Sets in 30 minutes

Blue Circle Extra Rapid Cement
Blue Circle Quality Assured Mortar Ready to Use

Mortar Mix​

 

​Pre-mixed and ready to use with the addition of clean water, M4 (designation III) 1:1:6 cement:hydrated lime:sand mortar. Comprising specially graded sand, lime and admixtures this Blue Circle mortar offers convenience, with no compromise in performance or quality. Weather resistant and durable, this mortar is suitable for most general brick and block applications. Also ideal for pointing or gable ends. The mix is highly workable and cohesive, with a long board life.

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Suitable for:

  • Brickwork

  • Repointing

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Hydralime

 

Hydralime improves the plasticity, cohesiveness and water retention of Portland cement mortars and renders. Suitable for use with Tarmac Mastercrete, General Purpose Cement, Snowcrete, Procem and Sulfacrete.

 

N.B. not suitable for use in mortars and renders without Portland cement. Not generally compatible with waterproofing admixtures.

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Suitable for:

  • Render

  • Brickwork​​

blue circle hydralime hydrated lime
Concrete Screed Fibres

Concrete Screed

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Siteworx Concrete & Screed Fibres are suitable for use in concrete and screed mixes to help prevent shrinkage and

cracking during the curing process. These fibres also maximise tensile strength and improve impact and abrasion

resistance. Typical applications include, concrete floors, paths, drives, bases, footings, foundations, floor screeds etc.

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  • Fibre length: 20mm

  • Material: 100% virgin polypropylene

  • Dosage: Typically 1 bag (approx. 100g) per m³ of concrete/screed

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Find Us

Walter Bailey (Par) Ltd,

St Andrew’s Road,

Par,

Cornwall

PL24 2LX

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Telephone: 01726 812245

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Opening Times

 

Monday - Friday: 7:30 - 17:00

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Saturday: 7:30 - 12:00

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Sunday (and Bank Holidays): Closed

© 2025 Walter Bailey (Par) Ltd

VAT Number: 131607990

Company Number: 202508

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