Our Services
We manufacture premium mechanical seam & Snap Lock roofing systems for residential and commercial projects. We also provide custom metal roofing solutions and contractor support designed for long-term performance and reliability.
Metal Roofing Solutions
Precision-manufactured 2" mechanical seam roofing systems engineered for maximum strength, weather resistance, and long-term performance. Designed for residential, commercial, and architectural projects where durability, precision, and premium craftsmanship matter.
Mechanical Seam Roofing
Precision-manufactured snap lock roofing systems designed for a clean architectural appearance and faster installation while delivering dependable long-term performance. An excellent choice for residential and light commercial projects seeking quality, durability, and competitive value.
Snap Lock Roofing
Custom trim, flashing, concealed panel clips, and roofing components sourced to help complete your standing seam roofing projects with a professional finish.
Custom Trim, Flashing, & Accessories
Already have an installer? We'll fabricate and supply everything they need.
Need an installer? We can connect you with experienced independent roofing professionals familiar with our systems.
From Fabrication to Installation
Flexible Fabrication & Delivery Options
Mammoth provides flexible metal roofing solutions to fit your project needs. Choose on-site fabrication for added convenience or have your panels precision-manufactured and delivered ready for installation.
On-Site Fabrication
Need panels produced at the job site? Our mobile fabrication capabilities help reduce handling, storage, and transportation challenges.
Fabricated & Delivered
Prefer to have materials ready before installation? We can manufacture your panels to project specifications and coordinate delivery.
Why Mechanical Seam Roofing?
A metal roof is only as strong as the way the panels connect. Mechanical seam roofing creates a stronger, more secure connection by folding the panel seams together after installation, creating a continuous lock between panels.
Why Mammoth?
At Mammoth Metal Manufacturing, we focus on precision-manufactured mechanical seam roofing panels built for contractors, builders, and property owners who want a quality roofing system — not just metal sheets.