5 natural tips for successfully removing moss from your roof

by admin

Do you often do your roof maintenance? This often forgotten gesture, however, makes it possible to extend the longevity of its roof by ensuring that it is in good condition and does not require repair work to avoid future major problems (water infiltration, leaks, permeability of the roof). insulation by condensation, etc.). However, for that, it is still necessary to be able to have an overview of the roof, a business at the very least compromised when mosses and lichens cover it, especially at the beginning of spring! It is then necessary to act, especially since the foam makes the tiles and slates more sensitive to frost and porous. However, no need to opt for algaecide chemicals that are certainly effective, but aggressive and destructive for the environment! Here are some natural tips for successfully removing moss from your roof.

Tips:

-Perform your treatment in dry weather, preferably in the spring when the weather forecast announces a few dry and mild days. Indeed, the rain may rinse the products you use, leaving them no time to act!
-Like defoamers, bleach is not recommended. It is harmful to the environment. However, we are talking about treating its exterior facade! In addition, she is aggressive and can damage the tiles. In particular, this can seriously damage ceramic or clay tiles, leaving cracks or promoting wear and porosity of the roof.
-To treat something other than a roof (terrace tiles, etc.), many natural products from grandmother can remove greenish stains: baking soda diluted in water, black soap, white vinegar, water for cooking potatoes or pasta (rich in starch) …

1) Moss removal without roofing products

No need to concoct your own organic anti-foam liquid when you know the right steps to defoam your roof! The more athletic will be able to manually rub the roof with a broom or stiff bristle brush to remove moss. Then rinse well and check each gutter. (The gutters can indeed become clogged if you are not careful.) If you want to treat a solid material (terrace tiles, non-slate roof …), the high pressure cleaner can easily replace your brush. Last option without product: asphyxiate and dry out the foams by covering them (tarpaulin, cardboard…). However, allow several days to obtain the desired result!

moss removal roof roof moss lichens
Credit: iStock

2) baking soda

The bicarbonate allows both to eliminate foams and to delay their reappearance. For a small cleaning with little foam, rinse the roof with a bicarbonate of water 30 g (2 tablespoons) per liter of hot water. Leave to act for at least 1 hour. You can then sprinkle with baking soda if needed, then scrub with a stiff bristle brush or broom and rinse. Watch out for the garden : a high concentration of bicarbonate can damage the surrounding plants. However, it remains less toxic than quaternary ammoniums in classic defoamers (and it cleans very effectively!).

3) Salt water for removing moss from a roof

Both seawater and saltwater have good stripping power to remove moss from a roof. If you don’t have an ocean handy, simply dilute some salt in hot water and clean your tiles with this product following the same principle as for baking soda.

foam roof roofing tiles
Credit: iStock

4) fireplace ash

Wood ash corrects the acidity which favors the appearance of mosses and lichens on the roof or in the garden. You can therefore spread it on the roof mixed with water. Then, leave for two to three days (still without rain!). Then scrub with a good brush and rinse thoroughly.

5) The fungicidal recipe with citric acid for defoaming the roof

Biodegradable and antioxidant, citric acid counts among the best natural tips for removing moss from the roof. To use it, dilute 600 g of citric acid, 150 g of bicarbonate, 20 ml of vegetable oil (rapeseed, sunflower, etc.) and about fifteen drops of tea tree essential oil. or basil in 8 liters of lukewarm water. Then apply this solution to the area affected by moss and lichen. Leave it on for two to three days, then rinse with a spray and a broom.

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