Small amounts of dirt are usually not a problem as opposed to when large parts of the roof are covered with moss.
Cleaning moss from roof slates.
Regular cleaning is an important part of keeping a slate roof in working order.
Debris and moss buildup hold moisture in the slates that can split them during winter freezes.
Don t brush against the direction of the slate since this can loosen or damage your slate tiles.
Brush across the section of roof you rinsed to remove all moss algae or stains.
Moss growing under roof slate and tiles can push the slate out of position allowing rainwater to seep into the roof structure.
Lichen can be a tough growth to remove due to the symbiotic relationship between the fungus and algae.
This is a dangerous project that can damage your home so it s best to hire a pro.
1 remove moss without a cleaning agent.
This is a special rotary nozzle that makes it easier to remove filth.
Brush until you ve cleaned half your roof.
After the roof has been made free of moss the roof tiles or slates are treated with a moss and algae resistant product.
Many people try to remove lichen by brushing and scraping it off with abrasive tools.
The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.
Less easy but of far greater importance is the next step of removing the dead moss from the roof.
When rain finds its way into the roofing structure that s when decay and rot sets in.
While you might be tempted to reach for a strong chemical or a pressure washer it s better to leave them behind and give your slate roof a little tender loving care.
Push the brush across the slate working downward.
Apply w ith a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water.
Step back several feet and repeat the wetting and cleaning process.
Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.
Their team of experts and professional cleaning tools will be able to get the grime dirt and trash that may be able to end up on a roof over time.
Both tasks work hand in hand to ensure the longest possible lifespan for your roof.
If possible a dirt blaster is used.
This gives your roof an ugly look and it is bad for the state of the roof as well.
Roof moss removal mostly happens with the help of a high pressure cleaner.
Uniklean slate roof soft washing is the expert slate roof cleaning company to go to if you are worried that your roof may be getting unsightly.
Lichen and green moss growth on a slate roof.
