NEWS CASE STUDIES WEBCASTS VIDEOS ABOUT DENSO NORTH AMERICA Search HOME CATALOG PRODUCT FINDER APPLICATIONS INDUSTRIES CONTACT Home > Protective Outerwraps > DENSO BORE-WRAP® DENSO BORE-WRAP® A field applied abrasion resistant outerwrap (ARO) Denso Bore-Wrap is an Abrasion Resistant Outerwrap (ARO) which has excellent performance against impact, gouge, abrasion, shearing, and fracture to protect anti-corrosion coatings during pipeline installations in difficult terrain or by means of trenchless installation methods such as directional drilling, HDD, or boring. Bore-Wrap creates an abrasion resistant, sacrificial outer laminate which protects pre-approved field joint coatings and mainline coatings such as epoxies, shrink sleeves, 3LPE, 3LPP and FBE. USES Mechanical Protection of the Underlying Field-joint and / or Mainline Coatings Horizontal Directional Drilling (HDD) and Boring Thrust Boring Microtunneling Trenchless Installation Field Joint Coatings Shrink Sleeves Directional Drilling What is abrasion resistant outerwrap (ARO)? An ARO is a composite layer designed to take the wear associated with interactions between soil and a pipe’s surface. As the name suggests, the product is applied by wrapping around the outside of a pipe with the intention of protecting the underlying corrosion protection coating. What is a rock shield? Typically, a textile of some sort which is used specifically for pipe coating protection on buried pipelines. A rock shield is a solution that protects coatings during backfilling operations from objects falling onto the pipe. Additionally rock shield can provide some long-term protection from both lateral and longitudinal movements providing protection against abrasive objects in clay like soil types from both lateral and longitudinal movements which could scratch a normal anti-corrosion coating fairly easily. Where are ARO coatings utilized? While it is possible to use ARO’s in a variety of environments that pose a threat from abrasion, gouging, impacts, or soil shear, the most prominent use is in buried pipelines and more specifically lines that are installed by trenchless means. Very commonly employed on pipe that is installed by horizontal directional drilling (HDD) Are ARO’s and a Rock Shield the same thing? No they are not. While both systems can protect a pipeline from certain potential risks, commonly Rock shields are used where the material for backfilling a pipeline contains rock or harsh soils that can be damaging primarily from the impact during the initial backfill. The majority of Rock Shields could not survive the shear forces of an HDD. Similarly, many ARO options are very hard and thus brittle, making those options a poor choice as an impact resistant system for backfill. In some instances though, products like Bore-Wrap which are both resistant to shear and highly impact resistant can be used for both applications. How to choose an ARO for HDD, boring, or other trenchless installations? HDD’s have many factors that need to be considered when addressing the need for and quality of protection necessary to keep the anti-corrosion coating layer intact. The pipe size, including diameter and weight, the length of the pull, the soil or rock types the pipe will encounter, the shape of the pipe path, the diameter of the bore hole, and several other factors need to be considered. For instance, an 8” pipe that is slick bored across a 100’ road in silty soil, might not require ARO at all. Alternatively, when all the factors can’t be determined, safety is the best option, and in that case the ideal selection would be Bore-Wrap as it is specifically designed for the many sources of damage found in trenchless crossings. More information on this topic can be found at https://event.on24.com/wcc/r/3113710/C83F32903406F4BE5E02F4A06F52699D?partnerref=MPWeb Why Denso Bore-Wrap Is the best choice of ARO products? Bore-Wrap is an ARO which was designed from the ground up using decades of experience and understanding to create a protective layer to address all the key factors faced in trenchless pipeline installations. Using specialty geo-textile fabrics which offer structural reinforcement, abrasion protection, and specially oriented fibers to resist gouging. It was then paired with a durable polyurethane resin that allows the system to be very resistant to impacts while also maintaining enough flexibility so that the system doesn’t crack or fracture from bending during the installation. On top of all this Bore-Wrap is easy to apply and is compatible with all current pipeline coating systems in the market. SURFACE PREPARATION Hand Tool Cleaning ‹ › Bore-Wrap is field-applied ARO. It minimizes the need for spot repairs or re-pulling pipe from damage, while providing the best mechanical protection of the underlying field-joint and/or mainline coatings. Click to Register to learn more about Bore-Wrap benefits from webinar – Eliminating Hidden Coating Damage in Horizontal Directional Drilling < Back To Protective Outerwrap Products Page REQUEST SAFETY DATA SHEETS (SDS) Features Technical Data Sheets Literature Accessories Prevents coating damage Rapid application and cure time No mixing or VOCs Tapered surface profile Outstanding abrasion, gouge and impact resistance Resistant to aggressive soil conditions CASE STUDIES view all Graber St. – Kitchener Utilities – HDD Pipeline Protection ... Read more HDD Pipeline Project – HDD Pipeline Protection ... Read more CAN’T FIND WHAT YOU ARE LOOKING FOR? If you can't find the information you require, need help understanding anything you may have read, or have a general query regarding our products and services, contact us today and one of our representatives will be in touch to help you with your query. 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