Deco 20 Faqs

Water-based, siliconate solution that penetrates the roof tile surface to form a bond with the limestone in cement to create a waterproof barrier

Must be applied on a clean roof

Can be applied by walking or spraying from a ladder/lift (walking is preferred to get best coverage)

4-year warranty to dramatically reduce the growth of mold, mildew, and algae on your roof surface

Warranty can be extended to 10 years with a signed maintenance agreement

Maintenance plan begins at the end of Year 4 and continues every other year until 10 years

During the maintenance plan visit, we will do a roof tile review and clean any of the roof tiles that need to be cleaned

Any damaged tiles will be photographed and reported to the homeowner by the service technician during each maintenance call

Homeowner must sign up for the plan when purchasing the initial sealing

Payment for the maintenance visits will be upon each visit

Make your roof look new for 4 years

Deco 20 is a water-based and breathable siliconate solution that provides UV protection, waterproofs and strengthens tiles, helps your roof retain its color, and comes with a 4-year warranty.

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Deco 20 is approved for damp proofing of masonry block, pre-cast, and cement roof tiles. This clear sealer is a specially formulated penetrating sealer designed for the environmental conditions found here in SWFL. Deco 20 clear sealer produces a highly effective, breathable moisture barrier by reducing water vapor transmission. It comes with a 3 year warranty from the manufacturer for dramatically reducing the growth of mold and mildew. You can choose to just purchase Deco 20 with the 3-year warranty or you can get Deco 20 with a maintenance plan that will extend the warranty to 10 years. The maintenance plan will begin at the start of year 4 and will include visits by our technicians every 2 years. At the visits, the technician will inspect the roof for any mold and mildew and will clean any spots and reapply Deco 20. We will also provide pictures of any visible damage to the roof tiles. The maintenance plan option must be selected at the time of the initial cleaning and sealing.


No grade-line problems as associated with tars

Tested by SGS U. S. Testing

DRIES CLEAR, non-yellowing, no odor

Dries in 2 to 4 hours, no backfill interruptions

Can be applied to dry or damp walls

Unaffected by ultraviolet rays

Easy to apply, eliminates scheduling problems

Only one application required

Non-Toxic – Non-Caustic – Non-Flammable

Excellent for interior applications

Can be painted or coated

Air or airless sprayer applied

"We couldn't be happier with Allied Roof Cleaning. Outstanding service with great communication. We had our roof and house washed at the same time. Our house looks amazing!!!!" - William Harris

"We were thrilled with the work that Allied Roof Cleaning performed for us! Our roof, awnings, and building haven't looked this good in ages. The owners and staff are wonderful to work with and I wouldn't hesitate to recommend them. Excellent!" - Sandy

"Every member of the team was professional and courteous throughout the experience. Very informative about products offered without being pushy. My roof looks new again and my windows are sparkling clean!" - Jennifer Gatlin

"From beginning to end, work was planned, scheduled, and executed as agreed. That’s what you expect and hope for, and don’t always get. Allied’s professionalism and commitment to customer service are greatly appreciated." - Gerry G.

"My roof looks new! Very professional work by Allied." - Patricia Kerstein

"Allied Roof Cleaning did an amazing job on our tile roof and brick driveway! Our roof had not been cleaned since before we purchased our home in 2009, Allied Roofing made both the roof and driveway look brand new!! We would highly recommend Allied Roofing. " - Jill Hagen

"I was very fortunate to have found and secured Allied roof cleaning. They did exactly what they said they would do for the amount they said that it would cost me. I could not be more pleased and I will certainly recommend Allied " - Donald Russell

"Great job. Lee and Jeremy were great also!" - Fred Z.

"Very nice job. Roof looks great. " - Maryann Orben

"We are very happy with our roof. The guys at the job really knew there stuff and were as nice as good be. I highly recommend the whole crew!!" - Jeff and Gayle Ice

Are you ready to make it look new again?