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What you Should know About Large Truck Windshield Replacement

  • Aarons AutoGlass
  • Oct 15
  • 7 min read

Semi-Truck, Municipality and Fleet Vehicle Auto Glass Replacement in Massachusetts


Semi truck windshield glass repair. team

Understanding the Need for Windshield Replacement


The windshield of a large truck is crucial to the safety of the vehicle's occupants. It provides structural integrity, supporting the roof and adding rigidity to the cab. In commercial operations like those involving semi-trucks, municipality vehicles, or fleet units, windshield damages aren't just inconvenient; they can also lead to compliance issues with safety standards and regulations.


Why Choose Professional Windshield Replacement Services


In Massachusetts, auto glass replacement for large vehicles such as semi-trucks or municipal fleet vehicles is a task best left to professionals. The scale and specialized nature of these vehicles require expertise beyond standard automobile glass services. Professional services ensure that the replacement windshield meets the safety requirements and standards set by governing bodies, thus ensuring both compliance and safety.


Choosing a professional service for large truck windshield replacement is crucial for several reasons:


  • First and foremost, windshields play a critical role in the structural integrity of the vehicle. A properly installed windshield can provide up to 45% of the cabin's structural support in a head-on collision. Therefore, having your windshield replaced by experienced professionals ensures that it will perform as intended in the event of an accident and keep your fleet drivers safe.


  • Additionally, modern trucks often come equipped with Advanced Driver Assistance Systems (ADAS) such as lane departure warning and adaptive cruise control. These systems rely on cameras and sensors that are often mounted on the windshield. A professional replacement service, like Aaron's AutoGlass, includes ADAS calibration as part of the installation process to ensure these safety features continue to function correctly.


  • Finally, expert technicians use the best-quality materials and follow stringent industry standards to ensure durability and a leak-proof, safe installation. This means that your windshield will be less prone to damage from weather conditions, debris, or daily wear and tear, ultimately saving you time and money on future repairs.



Massachusetts Regulations and Compliance


In Massachusetts, the focus on vehicle safety significantly encompasses the condition of windshields. Strict regulations dictate the acceptable standards for windshields to ensure the legal operation of vehicles, with a particular emphasis on commercial vehicles due to their frequent inspections aimed at protecting public safety. Semi-trucks in Massachusetts must adhere to both state mandates and federal requirements related to windshield integrity.


The Massachusetts Registry of Motor Vehicles (RMV) aligns its inspection standards with federal guidelines outlined by the Federal Motor Carrier Safety Administration (FMCSA), which emphasizes maintaining a clear "critical viewing area" for drivers.


Semiannual Safety Inspection of School Pupil Transport Vehicles

How Your Buses Windshield is Graded for Student Safety


Based on the Massachusetts Registry of Motor Vehicles 540 CMR 21.00If your organization provides bus fleet services to schools in Massachusetts, specific regulations apply to vehicles transporting students. Local municipalities and school bus depots must prioritize maintaining optimal windshield conditions to ensure a clear, unobstructed view, enhancing safety. The Semiannual Safety Inspection of School Pupil Transport Vehicles requires the windshield shall be free of any of the following defects:


  1. Any broken glass with sharp or jagged edges inside or outside;

  2. Any stone bruise, star break, or bull's eye damage in excess of one inch in diameter within the area covered by the sweep of the vehicle’s wipers provided by the vehicle’s manufacturer (the critical viewing area) or larger than two inches outside the critical viewing area, or multiple such damage;

  3. Any single line crack which extends more than three inches into the critical viewing area.

  4. Multiple cracks one or more which extends into the critical viewing area.

  5. Any wiper scrapes in excess of ¼ inch wide within the critical viewing area.

  6. Any clouding extending more than three inches within perimeter of the exposed glass.

  7. Any poster, sticker, decal, or similar object, attached to the windshield in such a manner as to obstruct the vision of the operator.


Commercial Auto Glass Requirements for a Large Truck or Commercial Rig in Massachusetts


The Code of Federal Regulations for Commerical Vehicles as it pertains to windshields is very clear. Windshields need to be free of discoloration or damage in the area extending upward from the height of the top of the steering wheel (excluding a 51 mm (2 inch) border at the top of the windshield) and extending from a 25 mm (1 inch) border at each side of the windshield or windshield panel.


The Replacement Process


Step 1: Assessment and Damage Evaluation


The first step involves a thorough assessment to evaluate the extent of the damage to the truck windshield. This can be conducted by our certified auto glass professionals who specialize in large vehicles like semi-trucks, fleet vehicles, and municipal transport. It is essential to determine if a repair is possible or if a full replacement is necessary.


By filling out our whether you're based here in Massachusetts or just passing through, we understand the importance of keeping your vehicle operational and in line with federal regulations. By filling out our online insurance form, you can upload photos of the damage, allowing us to provide an initial assessment as to whether a full replacement is needed or if a windshield repair can be handled at our workshop or through our mobile fleet glass repair services.


Step 2: Selecting the Correct Windshield


Once it’s determined that a replacement is needed, the next step is selecting the correct windshield that conforms to the specific make and model of the truck. It’s important to ensure compatibility to maintain structural integrity and safety standards. Windshields for larger trucks often have additional features such as tinted glass or embedded antennas that need precise matching.


Step 3: Preparing for Removal


Before removing the damaged windshield, the surrounding area must be prepared to prevent damage to the vehicle and ensure the new windshield can be installed securely. This includes removing any obstructions and ensuring that the workspace is clean.


Step 4: Safe Windshield Removal


Once the area is prepared, technicians will proceed with the careful removal of the damaged windshield. This step is crucial, as improper removal can lead to damage to the vehicle's frame or other components. Professional technicians use specialized tools to loosen the windshield from its adhesives and extract it from the vehicle without causing additional damage.


The removal process involves cutting through the urethane seal that holds the windshield in place. Technicians often rely on powered cutting tools and meticulously apply them to avoid scratching or bending the vehicle frame. Ensuring that no shards of glass fall into the vehicle interior is a priority, and protective coverings are often used to safeguard the truck's dashboard and electronics.


Step 5: Preparation of the Frame


After the windshield has been successfully removed, the frame of the truck is prepared for the new windshield. This involves cleaning the pinch weld, which is the portion of the frame where the windshield will be adhered. Any old urethane and contaminants are carefully removed to provide a clean and smooth surface. This step is pivotal for ensuring a proper seal and preventing issues such as leaks or wind noise. Additionally, technicians inspect this area for any signs of rust or corrosion, which could compromise the adhesive bonds.


If any rust or corrosion is detected, it needs to be addressed promptly before proceeding with the installation. This may involve sanding down the affected areas and applying a primer to prevent future deterioration. In cases of severe corrosion, more extensive repairs might be needed to ensure the frame is structurally sound.


Once the frame is inspected and treated, technicians apply a fresh layer of urethane adhesive. This adhesive plays a crucial role in securing the new windshield and maintaining its position during operation. The polyurethane used must be of high quality, as it needs to withstand the stresses of road vibrations and temperature changes without losing its adhesive properties.


Step 6: Installing the New Windshield


With the frame ready, the new windshield is carefully positioned into place. Precision is key in this step to ensure the windshield aligns perfectly with the truck's body. Specialized suction cups and guides may be used to facilitate the process and avoid any direct contact that could damage the glass.


Technicians ensure the windshield is seated evenly and pressed firmly against the Polyurethane to create a tight bond. It's crucial to check that the positioning allows for perfect alignment and seals seamlessly with the vehicle’s contour to prevent leaks and ensure optimal aerodynamic performance.


Cost Considerations for Municipality, Fleet and Commercial Vehicle Glass

Cost Considerations for Municipality, Fleet and Commercial Vehicle Glass


When it comes to truck windshield replacement, costs may vary based on several factors. The size and type of the windshield, the presence of additional features like heating elements or embedded antennas, and whether the windshield is OEM (Original Equipment Manufacturer) or aftermarket all contribute to the overall cost.


For fleet managers and business owners, managing these costs is crucial, especially when dealing with multiple vehicles. Aaron's AutoGlass offers competitive pricing and flexible payment options to accommodate commercial clients' needs while ensuring quality truck windshield service without compromise.


Furthermore, bulk service agreements or fleet discounts may be available, providing further savings for companies requiring regular maintenance and repair services. Insurance coverage can also play a significant role in the financial aspects of windshield replacement. Understanding the extent of your coverage and how it applies to large trucks can be advantageous. Our experts at Aaron's AutoGlass can assist you with insurance claims and help navigate the process for a seamless experience in Fairhaven and West Roxbury, MA.


Selecting the Right Service Provider


Commercial Vehicle Glass Services in Fairhaven and West Roxbury, MA


At Aaron's AutoGlass in West Roxbury, we understand the critical need for certified and well-trained auto glass technicians to collaborate with your municipality, ensuring that your town's fleet vehicles remain operational and roadworthy! We provide windshield replacement and repair services to commercial fleets across Massachusetts and Northern Rhode Island. Whether it's your local postal center, school bus yard, police station or DOPW heavy equipment yard, we understand the need to have an experienced and trained auto glass repair expert on your side so that your town runs smoothly.


Make sure your fleet vehicles are safe for your employees by ensuring the integrity of your windshields. Contact us for your no-obligation quote on semi-truck glass repairs today or connect with our certified auto glass technician by calling 617-942-8791.




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