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IOL News
3 days ago
- General
- IOL News
Top 5 Signs Your Wall Cracks Need Immediate Repair
Here are the top five signs that your wall cracks need immediate repair. Wall cracks are often brushed off as minor cosmetic issues, especially in older homes or buildings. However, not all cracks are harmless. Some are early warnings of underlying structural issues that could compromise the safety and value of your property. Knowing when a crack demands professional attention can save you from costly repairs down the line. Here are the top five signs that your wall cracks need immediate repair. Type of Cracks and Treatment Hairline cracks are typically harmless and caused by normal settling, temperature changes or paint shrinkage. However, cracks wider than 5mm (about the width of a pencil) are a red flag, and may show it's time to schedule professional wall crack repairs. These wider gaps often suggest structural movement or foundation shifts. If the crack continues to expand or you can see daylight through it, it's time to immediately consult a professional. With reference to the National Home Builders Regulatory Council (NHBRC) Home Building Manual: Part 2 (2015); structural damage is classified by maximum crack widths in masonry walls as follows; Minor damage (Categories 0 to 2) is classified by crack widths of 0.25-5mm. Significant damage (Categories 3 to 5) is classified by crack widths of 5-25mm. Over 25mm is considered major and signals a danger of instability. In most instances, minor damage (Categories 0 to 2) represents aesthetic damage as opposed to serviceability damage (Categories 3 to 4) and stability damage (Category 5). Category 0 'negligible' cracking, cracks less than 0.25mm in width. Category 1 'very slight' cracking, cracks less than 1mm in width, isolated and localized. Category 2 'slight' cracks less than 5mm in width. Category 3 'moderate' cracks between 5mm and 15mm or a number of cracks in one group. Professional intervention highly recommended. Category 4 'severe' cracks between 15mm and 25mm, depending also on number of cracks in a group. This indicates serious movement and stability issues and requires immediate professional intervention. Category 5 'very severe' cracks usually greater than 25mm, depending also on number of cracks in a group. This indicates very serious movement and stability issues. Immediate professional intervention required with possible major repair work necessary. The repaired cracks should be regularly monitored. If minor cracking continues to occur these should be repaired during regular maintenance of the dwelling. If, however, further significant cracking occurs, Category 3, 4 or even 5 cracks, the homeowner MUST engage the services of a professional for assessment. Depending on the severity, it may be necessary to appoint a structural engineer and/or a geotechnical engineer to carry out a detailed assessment of the cracking to determine whether underpinning of the structure is required. Cracks That Follow a Stair-Step Pattern Cracks that form a zigzag or stair-step pattern along brick or block walls usually indicate foundation movement. This is especially concerning if they appear in conjunction with uneven floors or sticking doors and windows. These patterns follow the mortar lines and are often symptomatic of subsidence or soil expansion beneath the structure. This type of damage should never be ignored, as it can rapidly worsen without the necessary wall crack repairs. Horizontal or Diagonal Cracks While vertical cracks are common and often benign, horizontal or diagonal cracks, particularly near the ceiling or at the corners of windows and doors, are more serious. These types of cracks may suggest pressure from shifting foundations or water damage compromising structural integrity. Horizontal cracks in concrete or masonry walls, especially in basements, may indicate hydrostatic pressure and require immediate attention. Cracks Accompanied by Moisture or Mould Any crack that allows water to seep through is cause for concern. Dampness around a crack can lead to mould growth, which brings health risks and can weaken surrounding materials. If you notice musty smells, visible mould, or water stains around cracks, it's important to act quickly. Water ingress not only worsens structural damage but can also create long-term issues with air quality and internal finishes. Sudden Appearance or Rapid Worsening of Cracks A crack that appears suddenly or grows quickly over days or weeks is a serious warning sign. This kind of rapid progression can be triggered by events such as earthquakes, nearby construction, or failing retaining structures. Regardless of the cause, fast-growing cracks are rarely superficial and should be assessed by a professional without delay. Final Thoughts While not all wall cracks are emergencies, knowing which signs indicate a deeper problem is essential for the longevity and safety of your home. If you notice any of these top five signs, particularly in combination, it's vital to consult a structural expert. Early intervention can prevent major damage and protect your property from further deterioration. When in doubt, it's always better to be on the side of caution.
Eyewitness News
02-05-2025
- Politics
- Eyewitness News
George building collapse: Opposition parties question delayed release of expert report
CAPE TOWN - Pressure is mounting for the Western Cape government to release the report commissioned by the provincial government into the George building collapse. It's almost a year since the five-storey development, known as 75 Victoria, caved in, killing 34 people while it was still under construction. On Friday, the provincial Legislature's standing committee on infrastructure was briefed by various role-players on what happened on May 6 last year. Last month, Human Settlements Minister Thembi Simelane released findings of the National Home Builders Regulatory Council investigation, which revealed that officials had not properly registered the development before construction started. Opposition parties have questioned why the expert report compiled by an independent structural engineering firm appointed by the Western Cape government has not been made public. ALSO READ: The provincial Infrastructure MEC, Tertuis Simmers, said the report is in the hands of the police as it forms part of their criminal probe. "So, until such time that the criminal investigation is complete and until the NPA [National Prosecuting Authority] makes its decision known chairperson, and I'm expanding on this because I was asked very broad questions pertaining to why it's not coming to the legislature, and why it's not made public. "We must respect the rule of law; that's also in our oath, even as an executive member. Once the NPA does its work and there's a conclusion in the matter and it goes to court or not, then the premier will honour his commitment," said Simmers. However, the ANC's Khalid Sayed says he doesn't buy this response. 'The national minister has accounted to the public and to the National Assembly, but, of course, you can call upon spheres or representatives of national government to come here, that's fine,' said Sayed. The Good Party's Brett Herron says the committee should consider summoning Premier Alan Winde to make the report public. 'You also referred to Section 115 of the Constitution, which allows us as a committee to summon any person to appear before it to give evidence on oath or affirmation or to produce documents. We can do the same with the premier,' said Herron.
