Older homes require frequent roof cleaning because there is usually congealed muck, dirt, dust, and debris that can cause even more serious damage like blocked gutters like poor appearance. This is a complete guide to safe roof cleaning in Sydney to help homeowners take better care of their roofs.
1. Understand the Condition of Your Older Roof
As a homeowner, you must first inspect your roof and check if there is any serious damage. You would need to inspect every corner of the roof and look for cracked or broken tiles, rust, sagging portions, and loose screws on metal sheets. Besides this, you would also need to look for blocked gutters if you are facing water leakage.
2. Identify Your Roofing Material
You can examine the appearance, texture, shape, and weight of the installed materials to identify roofing materials. It is important to identify roofing materials before engaging in the roof cleaning process.
Concrete and Terracotta Roof Tiles
Concrete roof tiles have flat profiles or are curved and are highly likely to develop moss over time. Terracotta roof tiles, on the other hand, have a hard ceramic surface with slightly orange surface.
Metal Roofing
Metal roofing consists of metal sheets that are laid next to one another. You can easily and effortlessly distinguish metal roofing from concrete tiles because of their different appearances.
Older Roofing Materials
Old roofing materials are most likely to deteriorate over time, and thus you need to check whether they have developed rust or weakened.
3. Choose the Right Roof Cleaning Method
Soft Washing: Soft washing involves rinsing the roof surface at low pressure to remove moss, dirt, algae, and other substances.
Low-Pressure Cleaning: Use water at low pressure to rinse the roof because high-pressure can damage the surface.
Manual Cleaning: It involves cleaning the roof by a scarper, broom, brush, or cloth to remove the congealed, sticky, or stubborn
Important: Don’t walk on slippery, steep, wet surface, or broken tiles. Also, engage in roof cleaning in Sydney only during clean weather.
4. Follow Essential Roof Cleaning Safety Practices
- Avoid unnecessary roof access: Don’t climb up to the roof unnecessarily as it can damage the surface.
- Use appropriate fall protection: Before engaging in the cleaning process, make sure you have appropriate fall protection in case your foot slips.
- Check weather conditions: Avoid roof cleaning in Sydney during rainy season.
- Protect electrical systems: Make sure there is no way electrical systems can be damaged.
- Control water runoff: Runoff may contain cleaning chemicals, particles of paint, dirt, moss, and other contaminants.
- Keep people away from the work area: Make sure that the family members, especially children, are not around.
5. Remove Moss, Algae, and Lichen Carefully
Make sure that you don’t damage protective coatings, waterproofing systems, or other roofing materials while removing moss, algae, and lichen. If any roofing material is damaged during the cleaning process, you would need to bear much higher expenses to get it repaired. Thus, make sure that you engage in the cleaning process with gentle hands.
6. Protect Gutters, Gardens, and the Surrounding Property
Make sure that the dirt, dust, or muck do not enter gutters and fall into the garden or surrounding property. If it happens, the dirt or debris can block gutters or linger on the leaves in the garden.
7. Know When to Hire a Professional
If there is too much congealed muck, moss, or algae that you can’t clean on your own, you must hire a professional to do the job. A professional carries all the required tools to clean up your roof. Plus, a professional can thoroughly inspect the roof and inform you of other potential roofing problems that may develop in the near future.
8. Maintain Your Roof After Cleaning
Once you clean up your roof or get it cleaned up by a professional, make sure that you maintain your roof by regularly checking corners, roof valleys, and water flow. You also need to regularly look for any signs of algae or moss in every corner, so that you can remove it or have it removed before it further develops.
Conclusion
Roof cleaning in Sydney involves some important considerations that homeowners must never ignore. Having proper fall protection, avoiding cleaning during harsh weather conditions, and ensuring there are no family members in the surrounding ground area while the roof is being cleaned, are some of those considerations.
Frequently Asked Questions
Is pressure washing safe for an older roof?
No, pressure washing is not safe particularly for an older roof, because there could be cracked or broken tiles or other damaged roofing materials on an older roof, and thus pressure washing can worsen the condition of the roof.
How often should an older roof be cleaned?
An older roof must be cleaned once every 1-2 years.
Can moss damage an older roof?
If the moss has been growing on a roof for a long time, it can significantly damage the roof by trapping moisture, displacing roof tiles, and blocking drainage system.
Should I clean my roof before repairing it?
Yes, you must clean up every corner of your roof before having it repaired, because there could be algae, moss, dust, dirt, or debris in some corners that is not easily noticeable.