Installing a New RoofInstalling a New Roof


About Me

Installing a New Roof

Hello, my name is Liam. I live in a rural community which is located about 200km away from Alice Springs, Australia. Life in the Outback can be hard, so the entire community needs to look after itself. Since I moved out here from the big city, I have learnt lots of cool skills that I didn't know before. One of these skills is roofing. When my neighbour's roof began to leak, he called me over and we worked together to install a new one. He taught me lots of cool tips and tricks which I have written about below. Enjoy!

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Issues Caused by Moss, Lichen, and Mould Growing on Your Roof

Just because something is natural doesn't mean it's healthy and good. Consider the moss, lichen, and mould that can spring up across your roof tiles. You may think it looks rustic and delightful. However, these growths are not merely cosmetic — they can create havoc within your home's structure. A roofer can investigate the growths and recommend the best course of action, which may include pressure cleaning and other treatments. If you allow the problem to develop, your roof can suffer from the following issues.

Cracked and Dislodged Tiles

Moss sprouting across the roof traps any dust and dirt carried on the wind, and in this way, a bed of soil develops across the roof. Within this dirt, moss grows roots called rhizomes that extend and wind around the tiles. Eventually, these roots can lift, crack and damage the roof. Additionally, both lichen and moss trap rainwater that's meant to run down the tiles to the guttering. In cold climatic regions, this built-up moisture can freeze and cause cracking.

Moisture Damage

Because lichen and moss trap rainwater, your roof forms damp patches that can't dry out, particularly in humid conditions. The dampness can spread inside the tiles also, as can rainwater through the cracks — with you unaware of the developing issues. 

The first sign you may notice is a dark, damp patch on the ceiling plaster. By then, the moisture may have rotted timber beams and roof insulation, as well as the plaster. Once roofers remove the tile growth, rainwater will easily flow down the roof pitch and safely exit via the gutters and downpipes as it's meant to. And without all the debris on top, the tiles can more easily dry out in the sun and wind.

Air Quality Problems

As moisture infiltrates your roof cavity, soaked timber beams can become a breeding ground for the growth of mould. Your home's air quality can deteriorate as the mould spores fill the air, possibly causing hay fever-like symptoms such as a runny nose and sneezing. Allergy sufferers and others can even develop more severe issues. 

Thus, if you notice any growths taking over your roof tiles, don't simply consider them as charming and rustic. Instead, contact a roofer who can identify the culprits and devise a treatment. You'll avoid the unnecessary repairs caused by the growth of moss, lichen, and mould, and you'll maintain a healthier home without air quality problems.