Concrete Scanning – What Is It & When Do You Need It?

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Do you know what’s hidden beneath the surface of your concrete roof? Concrete scanning is the way your roofing specialist can uncover hidden dangers and make sure your flat roofing project can go ahead.

Want to know whether you need concrete scanning before your project? We’ll explore exactly what this innovative method is, when you need it, and how essential it has become in the flat roofing industry.

What is Concrete Scanning?

Many property owners and building managers have never heard of concrete scanning, but if you have an upcoming flat-roofing project such as a Vanguard Single Ply Flat Roof, you need to know about this method. Concrete scanning is a non-destructive technique that professionals use to map out objects within concrete structures.

It works using ground-penetrating radar (GPR), which uses electromagnetic waves to create images of the concrete subsurface (inside the concrete). Concrete scanning can also refer more broadly to other methods, like ultrasonic testing or X-rays.

The reason concrete scanning exists is to detect things like rebar, post-tension cables, pipes and voids – all things that can get in the way of safely and efficiently installing your flat roofing project. Knowing the exact location of these things allows your roofing specialists to work around them carefully. 

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When Do You Need Concrete Scanning in Flat Roofing?

Concrete scanning is necessary for many projects, but it’s essential in flat roofing that involves existing concrete structures such as roofs and walls. Some of the situations where concrete scanning is an absolute must include:

  • Before Drilling or Cutting: Flat roofing projects most often involve drilling into or cutting away some structural elements of the existing structure, or retrofitting to existing installations. By scanning the concrete beforehand you can identify damage to embedded objects like electrical lines or rebar. Re-roofing over damaged concrete can pose serious safety risks and big expenses.
  • During Renovations: If you have an existing concrete roof, which can be more common on modern buildings or large commercial buildings, concrete scanning is a must. It allows your roofing specialists to get a clear picture of the exact location of any problems within the concrete. Getting this precise information is important at the planning stage especially, as it reveals key structural defects that need to be repaired well before any roofing work starts.
  • Structural Assessments: Ageing roofs, maintenance and repair are all necessary for the safety and lifespan of a flat roof. By using concrete scanning methods your specialists can quickly identify concerning issues like weakened structural components, voids and cracks. Without getting this deeper insight, problems might go unnoticed and cause more serious damage. The ultimate aim of assessment scanning is to make better informed decisions about your flat roof’s maintenance and repairs.

Benefits of Concrete Scanning in Flat Roofing

Safety: Your roofing experts don’t want to discover hazards when they begin work, and concrete scanning can help to keep them and your roof safe. Knowing the precise positioning of embedded objects prevents accidents, damage or structural failures. Imagine drilling into a crucial area of rebar supporting your concrete roof. Preserving the integrity of your roof protects you, your property and anyone inside of it.

Cost Savings: Money is certainly a factor when updating, replacing or repairing a flat roof. Concrete scanning works in your favour, avoiding sealing in any problems within the structure when re-roofing. By detecting crucial risks ahead of work, your contractors can get them repaired prior to any roofing works. Plus, fewer disruptions mean a quicker turnaround.

Compliance: Strict building regulations mean thorough checks must be carried out to ensure your structure is fully compliant, particularly before any big modifications like extending a flat roof. Concrete scanning lets your specialists know whether your roof adheres to regulatory standards and ultimately protects you from legal issues and potential fines for non-compliance.

Do You Need To Hire A Professional For Concrete Scanning?

Hiring a professional for concrete scanning is essential. Here’s why:

  • Expertise and experience: Only trained professionals know how to effectively use concrete scanning equipment for a specific purpose. They’ll also understand the complexities and common complications of flat roofing, issues and hazards that are specific to flat roofs. Their expertise means the scanning is carried out and read properly, troubleshooting and problem-solving ahead of the work taking place.
  • Cutting Edge Equipment: Professionals have access to the most advanced equipment, providing higher accuracy and reliability than consumer-grade devices. This state-of-the-art tech means more detailed imaging and more accurate information about the condition of embedded objects.
  • Insurance and Accountability: With a professional carrying out your concrete scanning, you have someone to rely on. They have an added layer of security for you with their insurance and company guarantees. So you know that if anything is misinterpreted, missed or damaged further down the line, you have a channel or recourse to protect you. This level of accountability means you can expect a higher standard of work, too.

Your Flat Roof Project & Concrete Scanning…

Concrete scanning is here to ensure the safety and success of your next flat roof project. Without it, you risk sealing in problems that would be very costly to sort out later Whether you’re renovating, assessing or updating, concrete scanning provides detailed information your specialists need to carry out the job safely.

Contact Proactive Flat Roofing today to learn more about our professional concrete scanning services and how they can benefit your flat roofing project. Ensure the safety and success of your construction with our expert assistance.

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Paull Newsome is co-founder and commercial director of Vanguard Waterproofing Systems Limited, a Chartered Construction Manager, and a Chartered Member of the Chartered Institute of Building (MCIOB). He has worked in construction since 1982 and in flat roofing since 1992, and has been involved in more than 6,000 flat roof installations.

Read more about Paull | Request a free roof survey | 01753 303775

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