![]() This layer remains on the tiles as we build your roof, and it holds on through weather elements to slow down oxidation. ![]() If a roof tile manufacturer uses lubricants during assembly, that leaves an additional protective layer on shingles and tiles. Surface dirt: Clean copper takes longer to oxidize than dirty copper.The answer depends on several elements including: How long does it take for the patina to change? People ask because they look forward to this evolution or wish to know how long their roof will remain its original color. The resultant color depends on the climate and how you care for your copper roof. It may go through a series of colors from copper to dark brown, turquoise and green. As time moves forward, the patina grows thicker and changes color. It oxidizes, and the patina begins to break down and thicken. While the timeframe is different for every building, copper eventually changes to the brilliant green we see on old pennies and statues.Ĭopper starts changing when exposed to natural elements. When kept inside and away from pressuring elements, it maintains its bronze surface. The patina is the surface layer of copper. Here is an overview of patina and how your roof color develops. This change should be embraced rather than scorned-especially since that copper roof may last up to 100 years on your Glendora, CA home. Most popularly displayed on the Statue of Liberty, this dignified and striking color is not a defect, but a natural process. It starts with a shiny penny hue and later evolves to green. Read the container label warning and Safety Data Sheet (SDS) for important health and safety information prior to the use of this product.Understanding the Color Changes with Copper Roofs Writer | January 26, 2021Ĭopper is a popular material for roofs, downspouts, gutters and home decorative elements. Incineration is the preferred method of disposal. Waste disposal must be in accordance with existing federal, state and local environmental control laws. Shelf life is 2 years from date of manufacture when stored in a factory sealed container between 45✯ (7✬) and 90✯ (32✬). Store in a dry area and protect from direct sunlight and freezing. This is to orient the Copper Flakes in the same direction.įor spray application use 30:1 airless pump, 3/8″ short hose and 33 to 37 tipĪpproximately 24 to 36 hours per coat at 70☏ (21☌) and 70% RH.Ĭlean tools and equipment with xylene or toluene before ROOFDX COPPER begins to dry When applying with a roller or a brush, it is very important that the final brush strokes are in the same direction. Apply in 2 coats using a soft brush, medium nap roller, or airless sprayer in a smooth, even technique. ROOFDX COPPER is applied directly out of the container after at least 2 minutes of low speed drill stirring. Do not apply if the area cannot be protected from precipitation for at least 4 hours after application. ![]() The application surface must remain at least 5☏ (3☌) above dew point during the application and curing process.ĭo not apply ROOFDX COPPER to wet, damp, or frozen surfaces. Do not apply if the substrate or air temperature is predicted to drop below 35☏ (2☌) within 4 hours after application. Surfaces must be dry, free of dirt, loose debris, oils, grease or any substance that could interfere with adhesion. Remains flexible, tough and weatherproof at low temperatures and will not flow at high temperatures.Ĭan be used over most metals, copper, rubber, concrete, modified bitumen, asphalt BUR, masonry, slate/tile, wood, and other approved surfaces.Īpproximate 100 sq ft/gal, depending upon substrate.May be used on vertical, slanted, and horizontal surfaces, and withstands ponding water.Easy to apply straight out of the container by brush, roller or airless spray.Protects substrate against rust, corrosion, UV damage, acid rain and fungal attack.Produces a fully adhered, seamless, high density, waterproofing membrane.Liquid copper coating made with real copper flakes.Just like copper sheet, ROOFDX COPPER will develop a classic green patina, or may be sealed with Clearcoat 44 to maintain its new appearance. This remarkable “liquid copper” coating can be used over all common roofing substrates and will give the appearance of copper sheet roofing at a fraction of the cost. ![]() ROOFDX COPPER is an extremely tough, metallic, rubber-like, waterproofing coating that, being made with copper flakes, has a very attractive copper finish that will actually patina. ![]()
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