Hiring any roof clean service might be very expensive so one question may wander in your mind that how you can clean your roof by yourself, and the answer to this question is in this article. As, In this article, I am going to tell you how you can clean your house roof by yourself at home (DIY)

There can be many stains on your roof, every stain has its different cure, In most of the cases, the below stains are found on your roof.

  1. Black Stains
  2. Moss Stains

How to clean Black Stains

Black stains on an asphalt roof are caused by protoctists (algae). If you reside during a wet space of the country, you’ve most likely seen unpleasant dark streaks on asphalt shingle roofs. tho’ typically attributed to an accumulation of dirt, defective shingles, mold, or mildew; the foremost common wrongdoer is truly a eubacterium called Gloeocapsa rock that’s unfolded by mobile spores.

While protoctist (algae) growth will very little hurt to roofing, the stains don’t facilitate the general look or merchandising worth of your home.

Areas liable to protoctist (algae/fungus) Stains

You may even have detected that protoctist stains area unit absents directly below the metal flashing around chimneys or roof vents. this is often thanks to the undeniable fact that copper and therefore the atomic number 30 coating on galvanized sheet area unit nephrotoxic to protoctist. anytime it rains, trace amounts of metals area unit washed down the roof, inhibiting protoctist growth.

Algae Resistant Shingles

In recent years, roofing makers have begun commixture copper granules into roofing product to provide protoctist resistant shingles. If you reside in a vicinity liable to protoctist growth, take care to specify this sort of shingle once replacement your roof.

Clean Algae Stains With Chemical Treatment

Algae stains are removed by chemical therapies, tho’ they sometimes come. Whereas an occasional improvement won’t hurt your roof, recurrent use of harsh chemicals, or the erosive effects of pressure laundry, will harm or shorten the lifetime of asphalt shingles.

There area unit many products on the market specifically designed to get rid of protoctist stains from roofs, like Wet & Forget outside. a mix of trisodium orthophosphate (TSP), bleach, and water will take away stains. O bleach lightens stains also and is a smaller amount harmful to the setting, however, it doesn’t manufacture as immediate or dramatic an impression as chemical element bleach.

Roof clean with Oxygen bleach and chemical element bleach. Galvanized vent prevented protoctist (algae) growth. Roof clean with Oxygen bleach (left) and chemical element bleach (center). Galvanized vent (right) prevents algae growth.

Required Things

Here’s what you’ll get to clean your roof:


Working on a roof is dangerous, and it becomes even a lot of venturesome once wet, thus take care to require adequate safety precautions. Avoid performing on steep roofs, wear slip-resistant shoes, and use a security rope wherever required. once operating with harsh chemicals, take care to safeguard your skin and eyes.

Bleach will harm or kill alternative plants additionally to protoctist, thus wet down any grass, shrubs, or alternative plants wherever runoff can occur before and when applying bleach. Covering bushes with plastic when wetting them down helps also.

Cleaning Method Number 2

It’s best to scrub your roof on a cloudy day to forestall the cleaner from evaporating too quickly. If you recognize the manufacturer of your shingles, contact them or check their web site for specific recommendations on improvement. once employing a product created for improvement roofs or O bleach, follow the directions on the instrumentality.

While the formula for improvement a roof with bleach will vary, the fundamental formula is:

  1. 1-quart bleach (6% Na hypochlorite)
  2. 1-gallon water
  3. 1/4 cup TSP (trisodium phosphate) or alternative serious duty cleaner (don’t use a cleaner that contains ammonia or isn’t suggested for commixture with bleach, because it may result in toxic chemical element gas)
  4. Pour the ingredients into a pump sort garden sprayer, mix well, and spray.

After wetting down the roof with the answer, permit it to stay on the roof for concerning quarter-hour before removal off with a hose.

Moss Stains

Greenery overhead ought to be restricted to leaves flushing out tree canopies. If mossy foliage is furnishings your roof, it is time to urge improvement.

Moss grows in areas untouched by the sun, thus it will develop at a speedy pace on tree-shaded and north-facing roofs. Spreading nonvascular plants will quickly supply roof surfaces, filling in voids between shingles and tiles and reaching underneath and lifting up roofing materials. This heaving of shingles permits freshwater and alternative wet to flow into a roof’s structure to cause decay and decay.

Before you clean nonvascular plants off a roof, you will need to think about however you would like to kill the plants and so take away the dead layers of nonvascular plant. Later, you will need to place some defensive measures into play to forestall nonvascular plants on the roof from gaining future toeholds.

Experts suggest that you just save roof nonvascular plant removal for a cloudy day; roof-cleaning product, that ought to be left to soak up into the nonvascular plant for a minimum of twenty minutes, won’t evaporate as quickly as they might on sunny days. The nonvascular plant is removed physically (with water and a stiff coat a pole or a scrub brush), chemically, or a small amount of each. Use the least-toxic nonvascular plant killer; chemical solutions will adversely have an effect on the setting, also as harm foundation plantings growing to a lower place roof overhang. If you choose to use a bleach answer or alternative readymade roof nonvascular plant treatment, defend close plants with plastic cloth. you’ll conjointly need to wet the plants, shrubs, and tiny trees with water—the coating of water can dilute chemicals spilling downward from roof overhang.

Some readymade cleaners—like Wet and Forget Liquid mildew Remover—can be mixed and applied per manufacturer’s directions and left to kill the nonvascular plant with no removal needed. Others, like Bayer’s Advanced nonvascular plant and protoctist, area unit on the market in ready-to-go sprays that attach to your hose. take care to follow the blending and application recommendations to confirm your safety and defend roof tiles, shingles, and plantings from harm.

You can conjointly create your own roof-moss removers—which area unit typically less nephrotoxic than their chemical counterparts. chemical element bleach removes mosses, fungi, and mildew, however, it should harm plants, thus dilute it before spraying on your roof. a decent formula? combine one-quart bleach with one-gallon water and ¼ cup of industrial quality cleaner like trisodium orthophosphate (don’t use ammonia-based cleaners as a result of they produce nephrotoxic fumes once mixed with bleach).

Or, create a plant-friendlier answer of one cup of bleach and one litre of water. Home improvement skills Bob Port Vila says you’ll conjointly combine eight litre of Dawn dish liquid or 1½ to 3½ cups of white distilled vinegar with two litres of water. Pour solutions into a pump garden-style sprayer; select a backpack-type sprayer, which is able to be safer to use if you are the rise and standing on a ladder.

Once you have selected your moss-removing answer, it is time to get started. Follow these gradual directions to disembarrass your roof of nonvascular plant and the other rubble that is accumulated atop your house!

The eco-friendly, non-bleach, air mass roof improvement technique

Roof improvement corporations that use this technique use top-grade eco-friendly products that don’t contain nephrotoxic chemicals like chlorine bleach, phosphates or alternative chemicals that may kill vegetation and bemire waterways. This technique conjointly uses a nonaggressive removal system, avoiding the utilization of damaging air mass cleaning or brushing.

Pros: usually, the results with this technique area unit instant and complete. Algae, lichens, and nonvascular plants are utterly gone before the contractor leaves the property. Technicians use eco-friendly roof improvement products like roof shampoo and instrumentation designed exactly for safe, light roof improvement. Contractors UN agency uses this technique to clean the roof whereas protecting the integrity of the shingles and while not damaging the landscaping.

Cons: This technique might value a small amount a lot of thanks to the price of prime quality eco-friendly product vs. cheap chemical element bleach mixtures.