Sources of Fiber Cement Replacements for Asbestos-Cement Roof Shingles See BLACK STAIN REMOVAL & PREVENTION for advice on diagnosing, cleaning, and preventing stains on roofing. Cleaning stains, mold algae, lichens from cement-asbestos roofsĪs we discuss at POWER WASHING ROOFS we do not recommend power-washing asbestos-cement nor any other roofing. Small roof repairs to individual shingles can be made using copper or aluminum flashing material - it will often weather to a color that looks a lot like the remaining cement asbestos shingles, and this approach minimizes the chances of breaking more shingles during the repair.Īt SLATE ROOF INSPECTION & REPAIR. If you see this condition over 25% of the roof surface, repair is probably not economical and a complete re-roofing or roof-over is needed. This photo (above-left) shows thin, worn, fragile cement asbestos roof shingles that are very broken up. See additional warnings about using roof shingle staples "Using Staples to Install Asphalt Roof Shingles?" found at ASPHALT SHINGLE STAPLE vs NAIL. Our photo at page top shows the use of a roofing stapler to secure sliding cement asbestos shingles - a foolish repair that causes further leaks and damage. Work by an inexperienced contractor can ruin a cement asbestos shingle roof and lead to complete roof failure. This means that roof repairs may cost more even though the materials should also last longer than some competing roof systems. We consider asbestos cement roof shingles a durable and fire-resistant roof and an asset to the building provided that the roof is in good condition.īut because asbestos cement roofing is easily damaged by a heavy-footed worker unfamiliar with the materials involved, asbestos cement roofs have to be repaired and maintained with the same care and expertise as slate roofs. Maintenance & Repair Advice for Asbestos Cement & Fiber Cement Roof Shingles Typical roof wear or failure patterns are either failure of the shingle fasteners or broken and falling shingles. The typical life expectancy of an cement asbestos shingle roof was given as 30 years.īut we have seen these roofs that were now 50 years old in good condition. into the 1970's and according to some sources even in the 1980's. from the 1920's (est) through the 1960's (est) and were sold in the U.S. Durability & Life Expectancy of Asbestos Cement & Fiber Cement RoofingĪsbestos cement roof shingles were in popular use in the U.S. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Our photo (page top) shows that someone tried to secure breaking pieces of cement asbestos roof shingles by using a roofing stapler - not a proper repair. Sources of Fiber Cement Replacements for replacing damaged Asbestos Cement Roof Shingles Cleaning stains, mold algae, lichens from cement-asbestos roofs. We discuss: How to maintain or replace asbestos-cement or fiber cement roof shingles. Here we provide a photo guide and text that can identify the condition of cement asbestos roofing products like asbestos-cement roof shingles. We have no relationship with advertisers, products, or services discussed at this website.Ĭement asbestos & fiber cement roof shingle maintenance, repair or replacement: InspectAPedia tolerates no conflicts of interest.
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