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Cracks in walls

Cracks in walls –  really a problem?

Noticed cracks in walls of your property?  it’s important to identify the cause – which is where the experts at Brick Tie Preservation come in. Our wall crack experts will get to the root of the problem and fix it, with quality guaranteed results, great customer service and competitive rates as standard.

wall cracks in stone due to a failing arch in Wakefield

External wall cracks due to a failing arch over a window

Most buildings, whatever their age, have some small cracks visible on internal walls or ceilings, many of which are simply caused by the building ‘settling’ and getting older. These hairline cracks also happen due to environmental factors, such as a change of seasons and temperatures, which can cause building materials to expand and contract. These smaller, hairline fissures, tend to effect plastered walls, spreading out from the corners of doors and window frames, and are generally nothing to worry about.

However, more prominent crack in walls can be a sign of something more serious, where movement or damage to the building is causing uneven loads and weakness to the core structure. If this is the case, fast identification and repair will be required to minimise any further issues and ensure your building is structurally sound. We explained some common causes and treatments for wall cracks below. However, we can also talk you through your options if you call us no on Leeds 265 2752 York 566577 or Sheffield 224 5121 to arrange a survey or email us via our contact page.

cracks in walls with wallpaper removed

Paper removed and the cracks in this wall are quite severe.

Causes of cracks in walls

Cracks in walls can be horizontal, vertical and/or stepped, and can be caused by a variety of problems, such as:

  • Being built on poorly constructed foundations (subsidence)
  • Lack of cavity wall ties or cavity wall tie corrosion
  • Differential movement of building materials
  • Damp and Timber decay resulting in reduced structural support over openings
  • Tree root problems
  • Rusting steel lintels and beams
  • Leaking drains below ground
  • Poor Lateral restraint, either in-built or as a result of construction changes

 

cracks in walls caused by rusting metal

This old steel lintel is rusting and the expansion of the metal is causing wall cracks

Which cracks in walls actually matter?

Without training,  it can be difficult to tell which cracks in walls are cause for concern, but here are some of the main signs of structural issues to look out for if you’ve noticed wall cracks on your property:

  • Cracks in load bearing structural walls
  • Cracks with a width of 3mm or more
  • Bulging or bowing brickwork
  • Uneven or sloping walls – look at your window lines
  • Uneven or sloping roof line
  • Uneven, bouncing or sloping floors
  • Cracks of more than a metre length
  • Signs of damp, musty smell, rotting woodwork
  • Cracks through the bricks and stones, rather than just the pointing
  • Gaps appearing between skirting boards and walls
Cintec wall ties and Helifix Helibars used to repair cracks in walls

Work in progress – Cintec sock anchors installed, Helifix Helibeams installed and steel mesh in place prior to plastering by our team.

Crack repair solutions

For minor wall cracks caused by natural settling and movements, you can go the DIY route and simply sand them down, apply sealant, sand again and paint over them – although if you’re in ANY doubt about the true cause, you might want a surveyor to take a look first. If you’re forever going through the process of ‘covering over the cracks’ you definitely need to engage the services of a professional; call us on Leeds 265 2752 York 566577 or Sheffield 224 5121 as it could indicate a deeper issue.

 

For larger cracks that are affecting the structural integrity of the building, there are a number of different repair solutions – sometimes, more than one is required in order to treat the cause as well as repair the damage:

cracks in walls caused by wall tie corrosion

Cracks in walls like this one are typical of those caused by wall tie corrosion.

Don’t let cracks in your walls cause you or your building to crumble under the stress. Our qualified and friendly team are here to help you find and treat the cause of wall crack, so please give us a call on Leeds 265 2752 York 566577 or Sheffield 224 5121 to arrange a survey or email us via our contact page.

 

 

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