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How To Apply Gaco Roof Coating

Our Arlington Roofers Can Protect & Seal Your Roof

GacoRoof System Application Instructions

At Painter Roofing & Construction, we are passionate about providing effective, state-of-the-art roofing materials and products to commercial clients. Over time, harsh weather, rust, mold, and other factors can deteriorate a roof, making it ineffective. A faulty roof usually leads to more expensive repairs to your business, such as water or mold damage. Thus, having a sealed and weather resistant coating on your roof can help make it last longer and protect your commercial building from costly repairs.

Contact us today for a free in-person estimate.

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Are You Sure My Flat Roof Does Not Need A Primer Coat Do I Need To Prime Metal Flashing Or Other Metal Surfaces

Metal flashing should either be primed with an exterior metal primer, or lightly sanded. Most other flat roof / low pitch roof surfaces do not require a primer before applying GacoPro. GacoPro: the two coat system has a “built in” primer and the GacoPro Eco system uses a two part primer called E5320. Contact us to find out more.

Silicone Washes Off In The Rain

You can always tell that someone is used to working with acrylic coatings when they say this. If you apply an acrylic coating and it rains within a couple hours, youll find your material washed off the roof and in the parking lot before long. Acrylic coatings are known to wash off in rain. Due to their chemistry, silicone coatings cure faster in the presence of moisture, so rain isnt a problem. They dont wash off. There is simply no truth to this myth.

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How Did Gaco Help Solve The Problem With Our Silicone Roofing Solutions

The contractor was able to give the building owner options by offering a re-roof or a restorative Gaco Silicone Roof Coating application. The Gaco Silicone Roof Coating application was selected for this project because the owner trusted the contractor and the cost savings of choosing a coating over a roof replacement was very beneficial.

This project involved moving rock ballast into rows to prevent wind uplift and brushing, sweeping, and blowing excess dirt off the roof. The roof was inspected for tears, rips, and open seams, which were repaired. Then, the existing EPDM membrane was power washed twice with GacoWash cleaner. All seams and penetrations were sealed with GacoFlex SeamSeal, and the surface was primed with GacoFlex E5320 . The contractor then installed Gaco S2000 silicone coating on the roof surface to comply with the 15-year warranty specifications.

To finish, an approved protective leak barrier was installed over the silicone roof coating and the windrows were moved back on top of the completed areas. The entire process was repeated on the exposed EPDM.

Apply Gacoroof To Roof Surface

Gaco Mobile Roof Kit 100 sg. ft. coverage White classAcustoms

Now that you have cleaned, fixed, and prepped your roof, youre ready to apply GacoRoof. You likely wont be working in these conditions, but as a reminder, you should only apply GacoRoof when the existing substrate is above 32° and below 120°.

Before you apply GacoRoof make sure you ensure color consistency by using a clean, dry stir stick or mixing paddle. For optimum coverage, apply the first coat of GacoRoof with one color and the second coat with another. In doing this, youll know what has been coated and what hasnt.

Be sure to plan accordingly: Two coats are required at a coverage rate of one gallon for every 100 square feet per coat. When planning your project, take the total amount of square feet, divide by 50 and you will have the number of gallons required to do the job. Remember to split the required number of gallons into two colors, and always lean toward applying more coating than less.

Once youve ensured color consistency, use a roller to evenly apply the first coat of GacoRoof at 16 wet mils. Let dry until the first coat can be safely walked onthis could take anywhere from three to 12 hours.

Once the first coat is dry, apply the second coat at 16 wet mils. At a minimum, you should apply two coats and have a depth of 22 dry mils for the finished product.

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How Does This Project Illustrate The True Hands

The owner of this building knew this was a big decision and was very involved in the decision-making process. The owner of Valor Roof and Solar and their Gaco Area Manager met with the building owner to discuss Gaco Roof Coating applications prior to the contract being signed. Gaco provided him with several references of other buildings that had active Gaco warranties. Since that meeting, Gaco and Valor Roof and Solar have provided detailed inspection reports and delivered warranties in a timely manner. This building owner has now coated several other properties with Gaco silicone over the last few years.

Can Gaco Coating Be Used On Residential Roofing Systems

Gaco Roof coatings come in a range of products for your specific needs. Gaco coatings can be applied to both residential and commercial buildings. This includes flat roofing, sloped roofs, low-pitched roofing systems, and peaked roofs. This silicone roof coating even works for mobile homes, RVs and campers which indicates the versatility of the product. It can be used on small and large buildings, garages, free-standing houses, patio covers, sheds, and barns too. When it comes to walkways or roof decks we dont recommend using this kind of coating because silicone becomes slick when the surface is wet. For roof decks, we recommend the Gaco Deck Kit.

Silicone roof coating is an ideal surface protection option and because there is no primer layer required, were able to take care of your roofing without delay. If your roof is aging and youre looking to extend its lifespan, Gaco coating is a good place to start. It can be applied to aging flat roofs, sloped roofs, commercial buildings, and residential homes which makes the entire process straightforward while taking care of the essentials. The roofers at AABCO Roofing are skilled and experienced in these projects and were here to help. Call us for all your roofing needs and well ensure your roof is taken care of.

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What About Felt Asphalt Epdm Tpo And Single Ply Roofs

GacoPro and GacoPro Eco may be applied to aged EPDM TPO & Single Ply roofs but may require the use of a primer. To verify adhesion, use the GacoPro Adhesion Test Kit, which provides results in just 24 hours. If the test reflects poor adhesion, prime all surfaces with Gaco 5320 Primer according to label directions. Call for more information and specific recommendations.

How Does Gacopro And Gacopro Eco Compare To The Acrylic Roof Coatings

How to Apply GacoPro 100% Silicone Roof Coating

1. GacoPro and GacoPro Eco are long lasting and have a 20-year limited warranty. GacoPro and GacoPro Eco generally lasts as long as the substrate they are applied to. Acrylics, if they have a warranty at all, are covered for only 3-5 years. 2. GacoPro and GacoPro Eco can withstand PERMANENTLY ponding water. There are no acrylics that will stand up to the stress of permanent ponding water without bubbling or adhesive failure. 3. GacoPro can be applied in a wide temperature range 0c up to 48c . Acrylics cannot be applied at temperatures below 12c or above 32c . 4. All acrylics require a primer coat. GacoPro does not require any primer, sealer, fleece or patch compound. 5. GacoPro and GacoPro Eco do not require a recoat reflect harmful UV rays and keeps your roof in good order. Silicone is inert, and does not degrade or wear away. Acrylics require a recoat every 3-5 years making Gaco the better option every time.

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Silicone Roof Coating Systems

Re-cover, dont re-roof. Youll save money, time and aggravation and avoid time-consuming and costly tear-offs.

Whether your roof is large or small, flat or sloped, GacoFlex Silicone Roof Coating Systems provide a proven, guaranteed solution for renewing your weathered roof. They can be applied to virtually any existing roofing surface to create a seamless membrane that protects against permanent ponding water, ultraviolet light and severe weather.

Can A Roof Coated With Gacopro Or Gacopro Eco Be Painted Over

Given the fact that GacoPro is a Silicone material, it is not possible to overpaint with anything except a new coat of GacoPro. Note: If GacoPro white reflective finish is used, over 85% of the sun’s damaging heat and UV rays will be deflected away so overpainting with traditional silver paint etc will not be necessary.

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Why Gacoroof Is The Best Option For The Roof Of Your Home In Covington

Roofing is one of the most important ways you can protect your home or commercial building from damage and deterioration. In order to ensure that your roof withstands the elements, its important to choose a durable waterproof and weatherproof coating. GacoRoof 100% Silicone Roof Coating is the gold standard for weatherproofing your Covington home or commercial building.

Here at Garcia Roofing and Sheet Metal, our certified Gaco applicators use this unique product for its excessive versatility, reliability, and durability.

How does Gaco Coating work?GacoRoof 100% Silicone Roof Coating works by sealing the roof using a seamless membrane. This permanently protects roofs against leaks, and damages threatened by severe weather or ponding water.

What types of roofs can GacoRoof be applied to?GacoRoof is ideal for many types of roofs. Whether the roof is flat or sloped, on homes, patios, garages or if the roof is on a larger or smaller commercial building, GacoRoof can cover it! GacoRoof also comes in a variety of color choices, allowing customers the flexibility in choosing the best one for their individual roofing project

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% Silicone Roof Coating


GacoRoof 100% Silicone Roof Coating creates a seamless membrane to seal and repair existing roofs and permanently protect against leaks, permanent ponding water and the damaging effects of severe weather. GacoRoof is available in several colors to enhance the aesthetics of any roof. Ideal for use on flat and sloped roofs including, but not limited to, large and small buildings, homes, garages and patio covers, sheds and barns, mobile homes, RVs and more.


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Are The Gaco Systems Suitable As A Waterproofer / Encapsulator For Old Corrugated Asbestos Roofs

Yes, but proper cleaning and preparation must be carried out first. Depending on where you are located, local juristictions, rules, by-laws etc, special arrangements for the proper containment and disposal of contaminated run off etc must be in place. There are specialist contractors out there who can do a thorough job while following all the regulations and we can provide their details if required. Obviously, any work carried out on asbestos roofs requires the utmost care and attention to all health & safety matters.So, assuming proper cleaning done, GacoPro AND GacoPro Eco will bond extremely well to asbestos.

What Happens If I Don’t Use The Entire Can Right Away And A Skin Forms

Skinning is when the topmost layer of coating begins to cure in the can. Silicone is moisture-cured, so high heat and humidity will cause the product to skin. If surface skins, remove skinned material from container. To minimise skinning over several days, gently pour about 12mm layer of 100% mineral spirits on top of product until it is completely covered and do not move can until ready to reuse. When ready, pour off the white spirit layer, and stir can contents thoroughly with a power mixer. Keep container tightly closed between applications to minimise surface skinning.

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Can Gacopro Silicone Flat Roof Coating Be Applied With A Sprayer

Althougth it is fast to apply by roller GacoPro and GacoPro Eco may be spray applied with appropriate spraying equipment and in appropriate conditions, i.e. large jobs with proper precautions taken re overspray etc. GacoPro must be sprayed without thinning. For details on suggested spraying equipment please contact us.

Does Gacopro And Gacopro Eco Crack From Overexposure To The Sun

MartinSC Demonstrates the Application of Gaco S4200 Roof Coating

No. GacoPro and GacoPro Eco do not break down and remain flexible at all times, in freezing and hot days, so it will not crack. When you use the Gaco systems white as the finish / top coat, as heat is virtually eliminated, expansion / contraction is practically eliminated, another reason why the Gaco systems last so long. GacoPro and GacoPro Eco’s inbuilt flexibility copes with most structural movement also without damage.

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The High Adhesion Alternative To Replacing Your Weathered Roof

GacoFlex S42 Series is a 100% silicone roof coating solution for renewing your weathered roof. This high adhesion coating can be installed over virtually any existing roof substrate* creating a durable, seamless membrane that helps protect the roof from permanent ponding water, ultraviolet light and severe weather.

GacoFlex S42 Series covers more surface area with less material than many other competitive silicones, exhibits outstanding peak hide coverage on granulated surfaces, and with its strong adhesion to multiple types of surfaces, it eliminates the need for an epoxy primer in many cases, allowing for faster installation.

The Best Flat Roof Coating

The next question that you might be asking yourself is what the best flat roof coating is. There are a whole host of materials that can be used to coat a roof. The most common materials used are acrylic polymers, urethanes or asphalt. Deciding which is best for your flat roof is something that you should discuss with your roofing professional.

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What Surfaces And Substrates Will Gacopro And Gacopro Eco Stick To

GacoPro and GacoPro Eco 100% Silicone, liquid applied coating / membrane adheres to all clean, dry roofing substrates. Typically the most common substrates are aged Asphalt, Felt, Metal profile Roofs, Single Ply, EPDM, TPO, Concrete Roofs, Sprayed Polyurethane Foam, Fiberglass, Asbestos, Lead, gutters, valleys, WPB Plywood etc. GacoPro and GacoPro Eco are perfect for all Industrial, Commercial and Residential flat and low pictched roofing.

A Roof Coating Thats Good For The Environment

Gaco Western LLC 35512502 100% Silicone Roof Coating Light Tan 5

GacoRoofs versatility and reflectivity has a positive impact on the environment. GacoRoofs ability to adhere to a wide array of substrates often eliminates the need for costly tear offs of existing roofing material that all too often needlessly end up as landfill.

GacoRoofs high degree of reflectivity also helps the environment by keeping our cities cooler by reducing the growing problem of Heat Island Effect. Dark materials absorb and retain heat from the sun. GacoRoof reflects the suns rays.

In the sun a black surface can be as much as 70 degrees Fahrenheit or 40 degrees Celsius warmer than a white/reflective roof. When many dark or black roofs along with asphalt parking lots and streets are crowded together in a city the temperature phenomenon known as the Heat Island Effect occurs.

The term Heat Island Effect refers to urban air and surface temperatures that are higher than nearby rural areas.

Many U.S. cities and suburbs have air temperatures up to 10 degrees Fahrenheit warmer than the surrounding natural land cover.

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Silicone Breaks Down And Wears Away In The Sun

Very few things on earth can completely withstand UV rays, and silicone is no exception. Over time, yes silicone will wear down and degrade, but it lasts longer than any other coating on the market. Silicone doesnt chalk off and degrade like other coatings, but it will slowly wear over the course of 20-25 years.

Gacoflex Roof Coating Application Training For Licensed Applicators

This interactive one-day training is intended for Gaco Licensed Roof coating applicators who are applying GacoFlex roof coating products by roller or brush.

  • Our Field Technician will present a short introduction presentation on roof coatings.
  • Hands-on application Applicators will apply each step of a roof coating application, including mixing of products. Applying BleedTrap, primer, and details on single-ply, mod-bit and metal. Along with a top coat application, technique, and quality control using a wet mil gauge.
  • Gain an advantage over your competitors and increase your bottom line!

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What Is Gaco Coating


Moreover, what is GACO roof coating?

GacoRoof 100% Silicone Roof Coating is designed as a protective coating to seal and repair existing roofs and permanently protect against leaks, permanent ponding water, and the damaging effects of severe weather. It will stay flexible and maintain adhesion, even under permanent ponding water or snow pack.

Also Know, is silicone roof coating worth it? Silicone roof coatings are also largely good for the environment since theyâre solvent-free and have minimal VOC levels. Since they are moisture-cured and solids-based, silicone can be applied at virtually any temperature and often eliminate any need for primer.

Also asked, how long does it take for GACO to dry?

3-12 hours

How often should I coat my roof?

Even more so than other roofs, flat roofs require maintenance in order to last. This maintenance typically comes in the form of coating the flat roof. A lifespan of an un-coated flat roof is around 10 years but coating it every five years or so can extend this enormously.

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When A Patch Needs To Be Permanent

GacoPro 100% Silicone Roof Coating Application – Restore and Waterproof Roofs and Gutters Easily

GacoPatch is a flashing grade, stand-alone silicone roof sealant designed to be installed in a single application on a variety of roof types including asphalt, single ply, metal, and most existing coatings. GacoPatch is now available in both a 2 gallon pail and a sausage tube.

It is a one-step application which reduces labor time and eliminates the cost of additional products such as primers, tapes, and top coats.

GacoPatch is a long-term solution for roof repairs because it is UV stable and does not chalk, crack, become brittle or break down over time. GacoPatch contains no asphalts or acrylics, and remains permanently flexible, even under ponding water. No additional reinforcement or extraapplication steps are required for horizontal patches, even over ½ thick.

For regions requiring a VOC content less than 50 g/L, Gaco offers GacoFlex GacoPatch Compliant. Please contact your local area manager or reference the Product Data Sheet for more information.

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