
{"id":26321,"date":"2026-07-27T09:20:51","date_gmt":"2026-07-27T08:20:51","guid":{"rendered":"https:\/\/www.tobermore.co.uk\/professional\/?p=26321"},"modified":"2026-08-03T12:08:23","modified_gmt":"2026-08-03T11:08:23","slug":"how-interlocking-paving-compares-to-asphalt-for-roads-and-adopted-roads","status":"publish","type":"post","link":"https:\/\/www.tobermore.co.uk\/professional\/blog\/how-interlocking-paving-compares-to-asphalt-for-roads-and-adopted-roads\/","title":{"rendered":"How interlocking paving compares to asphalt for roads and adopted roads"},"content":{"rendered":"<p><span data-contrast=\"none\">When selecting the most suitable surface for roads, including adopted roads, there\u00a0are several key factors to consider. These typically include durability, maintenance and repair,\u00a0cost\u00a0and aesthetic appeal.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.tobermore.co.uk\/professional\/products\/block-paving\/tetralock\/\"><span data-contrast=\"none\">Interlocking block paving<\/span><\/a><span data-contrast=\"none\">\u00a0and asphalt represent two\u00a0very different\u00a0approaches to road construction. This blog explores how interlocking paving compares with asphalt across each of these aspects. It highlights why interlocking paving is a popular choice for local authorities and housing developments\u00a0seeking\u00a0an attractive,\u00a0durable\u00a0and low-maintenance paving solution.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h2><b><span data-contrast=\"none\">What is the difference between interlocking paving <\/span><\/b><b><span data-contrast=\"auto\">and<\/span><\/b><b><span data-contrast=\"none\">\u00a0asphalt for roads and adopted roads?<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">Interlocking paving provides a durable and hard-wearing solution for road surfaces and is available in a wide variety of colours and textures to complement the surrounding hard landscaping and local character. Interlocking concrete blocks are designed to prevent movement, offering maximum stability, while a hardened surface layer helps resist everyday wear and tear.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">In contrast, asphalt roads or tarmac roads<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"none\">\u00a0as they are often called,\u00a0comprise<\/span><span data-contrast=\"auto\">\u00a0s<\/span><span data-contrast=\"none\">urfacing material made from a mixture of aggregates, such as gravel or crushed stone, bound together with bitumen.\u00a0Additional\u00a0additives, including polymers, may be incorporated to enhance its performance characteristics. Tarmac roads have limited aesthetic appeal and are often used for main roads and highways.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">The different compositions give each type of road\u00a0different characteristics\u00a0that affect their suitability when looking at different project drivers for paving specification:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"none\">Durability of interlocking paving and asphalt roads<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"none\">Interlocking paving is robust and often more durable than tarmac. It offers excellent resistance to heavy loads and is particularly well suited to low-speed, high-load environments such as car parks,\u00a0airport pavements, industrial\u00a0yards\u00a0and public spaces. Interlocking block paving specifiers and contractors can\u00a0generally expect\u00a0up to a 35-year lifespan. Asphalt roads tend to last around 15 to 20 years.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<figure id=\"attachment_3188\" aria-describedby=\"caption-attachment-3188\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3188 size-large\" src=\"https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-1024x684.jpg\" alt=\"\" width=\"1024\" height=\"684\" srcset=\"https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-1024x684.jpg 1024w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-300x200.jpg 300w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-768x513.jpg 768w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-1536x1026.jpg 1536w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-450x300.jpg 450w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10-20x13.jpg 20w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-graphite_elsie-road-london-10.jpg 1998w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-3188\" class=\"wp-caption-text\">Tetralock Graphite, Silver &amp; Mid Grey<\/figcaption><\/figure>\n<h3><b><span data-contrast=\"none\">Maintenance and repair of interlocking paving and asphalt roads<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"none\">Interlocking paving can be easily lifted and replaced using the original individual blocks without leaving visual signs of repair and the robust paving\u00a0generally requires\u00a0minimal maintenance. Asphalt surfaces, however, are more susceptible to cracking and should be regularly sealed to help prevent potholes from developing. Where potholes do occur, they must be repaired promptly and leave visible patches or scar-like reinstatements. In addition, the asphalt surface should typically be resealed every three to\u00a0five years to protect against damage from UV and seal any micro-cracks.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"none\">Cost of interlocking paving and asphalt roads<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"none\">The\u00a0initial\u00a0material cost of interlocking paving is typically higher than that of asphalt roads. However, this difference is often offset by the shorter lifespan of asphalt, along with the need to account for the higher long-term costs associated with more frequent repairs and maintenance of tarmac surfaces when compared with interlocking block paving.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"none\">Aesthetic appeal of interlocking paving and asphalt roads<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"none\">Interlocking block paving is available in an ever-expanding range of shapes, sizes, colours, and surface finishes. This design flexibility allows architects, landscape designers, and engineers to create unique layouts and patterns suited to specific environments. In contrast<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"none\">\u00a0asphalt roads have limited aesthetic appeal and tend to be used where functionality has a higher priority over visual appearance.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<figure id=\"attachment_1604\" aria-describedby=\"caption-attachment-1604\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-1604 size-large\" src=\"https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-1024x596.jpg\" alt=\"Hard landscaping public realm projects\" width=\"1024\" height=\"596\" srcset=\"https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-1024x596.jpg 1024w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-300x174.jpg 300w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-768x447.jpg 768w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-1536x893.jpg 1536w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-450x262.jpg 450w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1-20x12.jpg 20w, https:\/\/www.tobermore.co.uk\/professional\/wp-content\/uploads\/tobermore-city-pave-vs5-silver-mid-grey-charcoal-camberwell-regeneration-southwark-1-1.jpg 1998w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-1604\" class=\"wp-caption-text\">Tetralock Charcoal, Silver &amp; Mid Grey<\/figcaption><\/figure>\n<h2><b><span data-contrast=\"none\">Why is interlocking paving a popular choice for public realm projects and housing estates?<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">Public realm projects cover local roads, as well as high streets and housing estates. These projects require a blend of form and functionality. The aesthetics of\u00a0different types\u00a0of road surface need to be considered to complement the overall project design<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"none\">\u00a0but not to the detriment of the durability and robustness of the road surface. The time\u00a0required\u00a0for long term maintenance and ease<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"none\">\u00a0a<\/span><span data-contrast=\"auto\">long<\/span><span data-contrast=\"none\">\u00a0cost of repairs to the road surface also\u00a0<\/span><span data-contrast=\"auto\">play<\/span><span data-contrast=\"none\">\u00a0an important role\u00a0in their specification. The same reasoning applies to those roads\u00a0<\/span><span data-contrast=\"auto\">in<\/span><span data-contrast=\"none\">\u00a0housing developments that initially start off as private but will eventually become adopted roads by the council.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Therefore, the wide choice of colours and finishes, high durability and\u00a0low maintenance\u00a0requirements offered by interlocking paving\u00a0<\/span><span data-contrast=\"auto\">make<\/span><span data-contrast=\"none\">\u00a0it\u00a0a good choice\u00a0for local authority roads in public areas<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"none\">\u00a0and those on housing developments may become adopted roads in the future.\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">As interlocking paving blocks are manufactured in a controlled factory environment, ensuring consistent quality, precise dimensions, and reliable performance<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"none\">\u00a0they are readily available from stock for new projects\u00a0and also\u00a0for contractors requiring replacement blocks for repair and maintenance activities.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3 data-ccp-border-bottom=\"0px none #000000\" data-ccp-padding-bottom=\"0px\" data-ccp-border-between=\"0px none #000000\" data-ccp-padding-between=\"0px\"><b><span data-contrast=\"none\">Where can I get more information on the benefits of using interlocking paving?<\/span><\/b><span data-ccp-props=\"{&quot;335572071&quot;:0,&quot;335572072&quot;:0,&quot;335572073&quot;:4278190080,&quot;335572075&quot;:0,&quot;335572076&quot;:0,&quot;335572077&quot;:4278190080,&quot;335572079&quot;:0,&quot;335572080&quot;:0,&quot;335572081&quot;:4278190080,&quot;335572083&quot;:0,&quot;335572084&quot;:0,&quot;335572085&quot;:4278190080,&quot;335572087&quot;:0,&quot;335572088&quot;:0,&quot;335572089&quot;:4278190080,&quot;469789798&quot;:&quot;nil&quot;,&quot;469789802&quot;:&quot;nil&quot;,&quot;469789806&quot;:&quot;nil&quot;,&quot;469789810&quot;:&quot;nil&quot;,&quot;469789814&quot;:&quot;nil&quot;}\">\u00a0<\/span><\/h3>\n<p data-ccp-border-bottom=\"0px none #000000\" data-ccp-padding-bottom=\"0px\" data-ccp-border-between=\"0px none #000000\" data-ccp-padding-between=\"0px\"><span data-contrast=\"none\">Tobermore has an extensive range of concrete block paving offering both form and functionality to specifiers and contractors.\u00a0<\/span><span data-ccp-props=\"{&quot;335572071&quot;:0,&quot;335572072&quot;:0,&quot;335572073&quot;:4278190080,&quot;335572075&quot;:0,&quot;335572076&quot;:0,&quot;335572077&quot;:4278190080,&quot;335572079&quot;:0,&quot;335572080&quot;:0,&quot;335572081&quot;:4278190080,&quot;335572083&quot;:0,&quot;335572084&quot;:0,&quot;335572085&quot;:4278190080,&quot;335572087&quot;:0,&quot;335572088&quot;:0,&quot;335572089&quot;:4278190080,&quot;469789798&quot;:&quot;nil&quot;,&quot;469789802&quot;:&quot;nil&quot;,&quot;469789806&quot;:&quot;nil&quot;,&quot;469789810&quot;:&quot;nil&quot;,&quot;469789814&quot;:&quot;nil&quot;}\">\u00a0<\/span><\/p>\n<blockquote>\n<p data-ccp-border-bottom=\"0px none #000000\" data-ccp-padding-bottom=\"0px\" data-ccp-border-between=\"0px none #000000\" data-ccp-padding-between=\"0px\"><span data-contrast=\"none\">Our hard-wearing\u00a0<\/span><a href=\"https:\/\/www.tobermore.co.uk\/professional\/products\/block-paving\/tetralock\/\"><span data-contrast=\"none\">Tetralock\u00a0concrete paving blocks<\/span><\/a><span data-contrast=\"none\">\u00a0<\/span><span data-contrast=\"auto\">are designed for commercial and residential use and feature our unique\u00a0Tetralock\u00a0spacer that adds shift protection as\u00a0<\/span><span data-contrast=\"none\">Craig McBride, Product Development Manager at Tobermore at Tobermore explains<\/span><b><span data-contrast=\"none\">,\u00a0<\/span><\/b><span data-contrast=\"none\">\u201c<\/span><i><span data-contrast=\"none\">Tetralock\u00a0has interlocking nibs on all four sides of the block plus profiled grooves on the bottom surface creating the fifth side of shifting prevention. The profiled underside creates a \u201cclawing effect\u201d in the pavement laying course and increases frictional resistance by 54% compared to non-profiled stones. All of this results in an<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">extremely stable<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">pavement that protects<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">against horizontal and<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">vertical movements.<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">This unique groove system provides<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">improved stability and<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">interlocking capabilities<\/span><\/i><b><i><span data-contrast=\"none\">\u202f<\/span><\/i><\/b><i><span data-contrast=\"none\">that outperforms standard concrete block paving giving our customers the reassurance that\u00a0Tetralock\u00a0will prove to be exceptionally stable and robust for sustained long-term performance.\u201d<\/span><\/i><span data-ccp-props=\"{&quot;335572071&quot;:0,&quot;335572072&quot;:0,&quot;335572073&quot;:4278190080,&quot;335572075&quot;:0,&quot;335572076&quot;:0,&quot;335572077&quot;:4278190080,&quot;335572079&quot;:0,&quot;335572080&quot;:0,&quot;335572081&quot;:4278190080,&quot;335572083&quot;:0,&quot;335572084&quot;:0,&quot;335572085&quot;:4278190080,&quot;335572087&quot;:0,&quot;335572088&quot;:0,&quot;335572089&quot;:4278190080,&quot;469789798&quot;:&quot;nil&quot;,&quot;469789802&quot;:&quot;nil&quot;,&quot;469789806&quot;:&quot;nil&quot;,&quot;469789810&quot;:&quot;nil&quot;,&quot;469789814&quot;:&quot;nil&quot;}\">\u00a0<\/span><\/p>\n<\/blockquote>\n<p data-ccp-border-bottom=\"0px none #000000\" data-ccp-padding-bottom=\"0px\" data-ccp-border-between=\"0px none #000000\" data-ccp-padding-between=\"0px\">If you&#8217;d like to learn more about interlocking block paving, explore our dedicated <a href=\"https:\/\/www.tobermore.co.uk\/professional\/products\/block-paving\/tetralock\/\">Tetralock page<\/a> or <a href=\"https:\/\/www.tobermore.co.uk\/professional\/technical-enquiry\/\">get in touch with our technical team<\/a> for expert advice on your next paving project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When selecting the most suitable surface for roads, including adopted roads, there\u00a0are several key factors&#8230;<\/p>\n","protected":false},"author":14,"featured_media":4589,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[972],"tags":[],"class_list":["post-26321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tax_posts_products-block-paving"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How interlocking paving compares to asphalt for roads and adopted roads | Tobermore Commercial Block Paving<\/title>\n<meta name=\"description\" content=\"The benefits of interlocking paving over asphalt roads for local authority projects and housing developments that will become adopted roads.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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