PROS
- Affordable alternative to pressure washing
- Only needs 5 minutes before rinsing
- No scrubbing needed
- Works on all roof types including wood, shingles, metal, composition, and more
- Easy to prepare formula
- Able to wash away superficial debris and black streak with just one application
CONS
- Not very effective at removing tougher stains
- Requires multiple applications to see a visible reduction of mold or mildew
- Contains bleach which can be a harsh chemical for your roof tiles and shingles
- Not designed to remove moss, algae, or lichens
- Not designed for siding, trim, walkways, or other surfaces
Product Overview
The Jomax Roof Cleaner by RUST-OLEUM has received mixed reviews from consumers, with some loving the product, and others criticizing its effectiveness. This product claims to be specially formulated not only to remove black streaks and dirt from your roof, but also kill mold and mildew growth.
To use this product, you will need to mix the Jomax solution with water and bleach, and spray it directly onto stains during a thorough roof wash. Because this product requires you to mix in bleach, it is important that you spray nearby plants before and after using Jomax.
This product can be used on any time of roofing material, from shingles to asphalt, wood, metal, composition, and more. While the Jomax roof cleaner is specifically designed for exterior roof application only, RUST-OLEUM also sells a Jomax House Cleaner & Mildew Killer that can be used for siding and trim.
This product is supposed to be fast-acting, needing only 5 minutes to soak into your roof before being washed away. Advertisements of this product may show a complete transformation after only one spray, but based on customer reviews and our own expertise, these advertisements are somewhat misleading. Especially if you have stubborn moss or mildew stains, you many need to reapply this product several times before you get visible results that you are satisfied with.
That being said, if you are looking for an affordable roof tile and shingle cleaner that will get rid of superficial stains quickly, and reduce tougher stains with a few applications, the Jomax roof cleaner could be a good product to test out. Compared to pressure washing and other instant roof cleaning products, Jomax is a cost-effective alternative for the DIY homeowner.
To see what other customers are saying and to find out more, read on for our full review.
Benefits
For those looking for an affordable alternative to hiring a professional or investing in a pressure wash, Jomax can be a cost effective solution. This product is especially convenient if you only have superficial stains—as investing in professional services could be a bit overkill and simply cost you money.
In addition, Jomax is a very easy product to use even for the inexperienced roof cleaner. With no scrubbing, scraping or pressure washing required, Jomax is a hassle-free alternative that takes a lot of the grunt work out of cleaning. In order to use Jomax for cleaning roof tiles, simply mix the solution with water and bleach, spray it onto your roof using an airless sprayer and wand extension—so that you don’t have to walk on the roof—wait 5 minutes, and rinse the solution away.
- Shingles
- Wood
- Asphalt
- Composition
- Metal
- Slate
- And more
Combined with the Jomax House Wash, you can tackle superficial stains both on your roof and on your siding and trim. Some stains may be able to be removed with only one spray, while more difficult stains, mold, and mildew can be reduced after a few applications.
While some have been critical of this product, others have had real luck with it getting rid of unsightly stains for a fraction of the cost that it would take to hire a professional or get a pressure wash. To see just host cost effective Jomax is at cleaning roof shingles, click to see current prices.
How to Use
Jomax is a very easy formula to prepare and apply. When preparing the mixture it is important to use gloves and goggles in order to prevent harsh chemicals from burning your skin or getting in your eyes.
To prepare Jomax Roof Cleaner, consult the following table:
As you are preparing the solution, start by pouring the water into a tank-type garden sprayer first and then pour in the bleach. Next, you should shake the Jomax solution, pour it into the garden sprayer, and stir thoroughly.
Once your mixture is ready, you may want to test a small, inconspicuous area to see how the product works and determine if you need to make more.
Because Jomax contains harsh chemicals, you should spray surrounding landscaping and plants with clean water right before you start your roof wash in case a little bit of the solution accidentally gets on them. By rinsing these plants and landscape both before and after your wash is complete, you can minimize the damage that any accidental splashing could cause.
When you are ready to begin your Jomax house wash, use the garden sprayer with an extended wand in order to spray your roof thoroughly. You should avoid walking on the roof as it can be slippery, but rather spray the product from a ladder. As you spray, you will want to saturate troubled spots as much as possible so that the product can break down stains, mold, and mildew.
Let the product sit for 5 minutes, and then rinse thoroughly with clean water.
Verdict
The verdict is split for the Jomax Roof Cleaner, as it can either be a hit or miss depending on your needs.
For those who simply want to wash away piled up debris, dirt, and superficial stains, the product can be a cost-effective solution that is fast acting. With just one wash, you may be able to see instant effects as the bleach and Jomax concentrate work together to remove surface level blemishes. If this is your goal, there is no need to invest in a pressure wash or more expensive roof cleaning products, as Jomax should be sufficient for the task.
On the other hand, if you are looking for a product that will be able to fight off tougher stains, mold, and mildew, this product may take a bit more work to produce the desired results. For tougher stains, we recommend reapplying the solution every couple weeks to months. However, keep in mind that because this product contains harsh chemicals like bleach, you shouldn’t use it too frequently as it could discolor or corrode your roofing.
Further, if your stains are caused by moss or lichens, keep in mind that this product is not specifically designed for roof moss removal or lichens removal. The Jomax roof cleaner claims to work on black streaks and dirt while killing mold and mildew, but not moss or lichens. Though some have used this product for these purposes, your results may vary.
Lastly, one further complaint that users had of this product, is its dependence on bleach and other harsh chemicals. While this product depends on these high powered ingredients to wash away stains and dirt, there are other options on the market that do not contain these harsh chemicals. However, most of the bleach free and non-corrosive options on the market, may take a little longer to show effects, so there is a tradeoff.
One of the greatest advantages of Jomax roof cleaner, is that there is no scraping, scrubbing, or cumbersome pressure washing involved. All of this grunt work is replaced by an easy spray and rinse that even novice roof cleaners should be able to handle with ease. For those who aren’t too keen on scrubbing dirty tiles and moss/mildew stains, the Jomax Roof Cleaner can be a handy product to have around.
Those who love this product rave about the outstanding value it offers as one of the most affordable DIY roof cleaners on the market. Jomax Roof Cleaner is compatible with any type of roofing from shingles to wood, composition, metal, and asphalt tiles, and more. For an affordable price, this product allows you to test out a DIY roof cleaner without breaking the bank or relying on a professional to clean your roof for you.
Based on the mixed customer reviews, and the need to reapply the product multiple time to combat tough stains, we give the Jomax Roof Cleaner an overall rating of 2.5/5 stars. If your roof suffers from tough stains caused by growth like mold, mildew, moss, or lichens, you may be better off choosing a more high-powered product or a product that offers long-lasting residual effects. However, if your goal is just an easy, scrub-free, routine roof wash, the Jomax Roof Cleaner could be a good product to test out.
Give it a try today to see how Jomax can help you achieve a cleaner roof for a fraction of the cost of hiring a professional.
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