Butynol is a protective rubber membrane that’s used on flat roofs all across New Zealand. It’s particularly popular in Wellington, where many buildings have flat roofs to protect them from the high levels of wind. But like any rubber product, it doesn’t last forever. So how do you know how your butynol roof is faring? Read on for our top 5 signs that your butynol roof needs some attention.
One key sign that your butynol is breaking down is chalkiness. If you touch or walk across your butynol surface and a chalky black substance gets onto your hands or feet, this indicates that your butynol is wearing. It’s particularly frustrating in high-traffic areas like decks, as it can leave marks around the house or office.
Another sign that your butynol has started to break down is if you have colour running down the outer walls of your home, school, or office. Butynol comes in either black or white, so this is most noticeable with black butynol. DURAPROOF recently worked on a building that was experiencing this problem, and they had been repainting on a regular basis to cover the black lines that were appearing down their walls. They were so relieved when DURAPROOF. quickly found the root cause of the problem. Now they don’t need to keep repainting!
When butynol has detached from the timber on your roof, this is called ‘bubbling’. This happens because the glue that holds the butynol to the timber underneath has started breaking down. This is a sure sign that your butynol needs some attention.
If you can see old nails breaking through, or fine cracks in your butynol, this is another key sign that your butynol has begun breaking down. If these are left as-is, it can lead to more serious roof leaks.
The main job of butynol is to protect your roof against the elements. But when your butynol breaks down you can develop a leak. If your home, school, office, or commercial property’s roof is leaking, it’s best to get this looked at as soon as possible. If a leak is left for too long, the plywood underneath the butynol can get soaked through and even give way. When this happens, one of the most common fixes is to replace your roof – a much more expensive, time consuming and disruptive job.
SO WHAT SHOULD I DO IF MY BUTYNOL ROOF IS SHOWING SIGNS OF BREAKING DOWN?
If you’ve noticed any of these signs on your butynol roof, please get in touch with DURAPROOF. today to talk through your options. In most cases, we’ll first fully repair your broken down butynol with sealants and adhesives, and replace any damaged underlying structures like plywood and purlins. Once it’s fully sealed, we’ll then safeguard it against future damage by coating it with a protective layer of Duraflex. It is a lightweight, hardwearing coating that protects your butynol roof against the elements and ensures it will have a longer lifespan. It even comes with a 15-year guarantee. So don’t hesitate, get in touch today!
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