Before the Commercial EPDM Roof Replacement
LMG Cyber Security Building | Missoula, Montana
Every successful commercial roof replacement begins with a thorough inspection and understanding of the existing roofing system. Before installing a new fully adhered EPDM roof at the LMG Cyber Security Building in Missoula, Montana, Montana Pro Contractors completed a comprehensive evaluation of the aging flat roof. The inspection revealed multiple issues affecting the roof's long-term performance, including an aging mechanically fastened EPDM membrane, numerous temporary repair patches, outdated roof drains that allowed standing water, and insulation that no longer met modern performance standards. Documenting these conditions before construction allowed our commercial roofing team to develop a complete roof replacement strategy designed for long-term waterproofing, improved drainage, and superior performance in Montana's challenging climate.
Project Overview
Every successful commercial roof replacement begins with a thorough inspection and understanding of the existing roofing system. Before installing a new fully adhered EPDM roof at the LMG Cyber Security Building in Missoula, Montana, Montana Pro Contractors completed a comprehensive evaluation of the aging flat roof. The inspection revealed multiple issues affecting the roof's long-term performance, including an aging mechanically fastened EPDM membrane, numerous temporary repair patches, outdated roof drains that allowed standing water, and insulation that no longer met modern performance standards. Documenting these conditions before construction allowed our commercial roofing team to develop a complete roof replacement strategy designed for long-term waterproofing, improved drainage, and superior performance in Montana's challenging climate.
Existing Mechanically Fastened EPDM Roofing System
The original roof consisted of a mechanically fastened EPDM membrane, a common commercial roofing system that secures the membrane to the roof deck using specialized fasteners and plates. While mechanically fastened EPDM systems have proven reliable for many commercial buildings, years of weather exposure, thermal movement, and high winds can place additional stress on seams, fasteners, and flashing details. During our inspection, Montana Pro Contractors identified aging roofing materials and areas where the existing system had reached the end of its service life. Rather than continuing to repair an aging roof, replacing the entire roofing system provided a more durable, energy-efficient, and cost-effective long-term solution.
Evidence of Previous Roof Repairs
One of the clearest indicators of an aging commercial roof was the extensive patchwork visible across the existing EPDM membrane. Numerous repairs had been completed over the years in an effort to stop recurring leaks, creating multiple patched areas throughout the roof surface. While temporary repairs can extend the life of a commercial roof for a period of time, excessive patching often signals that the roofing system has reached the point where replacement becomes the better investment. Montana Pro Contractors carefully documented each repaired section before demolition, allowing our team to identify recurring problem areas and ensure those deficiencies would be permanently addressed during the installation of the new EPDM roofing system.
Existing Roof Drain and Ponding Water
Proper drainage is one of the most important components of any commercial flat roof. During our inspection of the LMG Cyber Security Building, we found aging roof drains surrounded by areas of standing water. Ponding water places additional stress on roofing membranes, accelerates material deterioration, increases the risk of leaks, and shortens the overall lifespan of a commercial roofing system. Rather than simply replacing the roofing membrane, Montana Pro Contractors upgraded the drainage system as part of the complete roof replacement. New roof drains, combined with upgraded ISO insulation and a fully adhered EPDM membrane, provide improved water flow, better waterproofing performance, and long-term protection against Montana's heavy rain and snowmelt.
Why The Roof Needed to be Replaced
The conditions documented during this initial inspection demonstrate why a complete commercial roof replacement often provides greater long-term value than repeated repairs. By addressing the aging mechanically fastened EPDM roof, eliminating failing patchwork, improving drainage, and replacing outdated roofing components, Montana Pro Contractors prepared the LMG Cyber Security Building for a modern commercial roofing system engineered to perform reliably for decades.
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Montana Pro Contractors — Covering Western Montana.