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Commercial and industrial roofing · Puerto Rico
Everything under your roof depends on it.
Your people. Your equipment. Your inventory. An operation that cannot stop. Mammoth Services plans, installs, and cares for roofs at pharmaceutical, biotech, industrial, warehouse, and public facilities in Puerto Rico.
GAF GoldElite2026 Commercial Contractor- 42Yearsof combined team experience
- In-house crewsSkilledroofing mechanics
TIPSContract 24060401
Who we are
Mammoth is a boutique commercial roofing firm, headquartered in Houston with operations in Puerto Rico. Commercial roofing is our focus. You get involved leadership, a clear plan, direct communication, and a team that takes the time to understand your facility.
- Commercial roofing is our focus.Roof systems, demanding specifications, and work around operating facilities.
- In-house crews.Highly trained roofing mechanics with practical knowledge earned in the field.
- Involved leadership.Thoughtful planning and direct communication from first visit to closeout.
Services
Roofing for facilities that can’t stop.
From one leak to a full replacement, every scope starts with your building, your schedule, and how your operation runs.
- 01
Roof replacement
Tear-off or recover, specified for your building, your budget, and the project's warranty requirements.
- 02
Restoration and coatings
Extend the service life of a sound roof with a restoration or coating system where conditions support it.
- 03
Repair and leak response
Find the source, fix it properly, and document what we found so you can plan what comes next.
- 04
New construction
Roof systems installed to project specifications and coordinated with your general contractor and schedule.
- 05
Storm and hurricane response
After a storm or hurricane, we assess the damage, secure the roof, and plan the permanent repair.
Who we serve
Built around how your facility runs.
For plant managers, facility managers, and purchasing teams. We work around operating facilities: access, safety rules, schedules, and what sits under the roof all shape the plan.
Pharmaceutical
Controlled areas and strict site requirements
Biotech
Sensitive processes and labs under the roof
Industrial plants and manufacturing
Active production and site safety programs
Warehouses and distribution
Large roof areas and inventory below
Municipalities and public entities
Public facilities and cooperative purchasing
How we work
A clear plan before anyone climbs the ladder.
You know what we found, what we recommend, and what it costs before work begins.
Inspection
We walk the roof and the building, document conditions, and listen to what your team needs.
Options
Specification-driven options, so you can compare scope, service life, and cost on equal terms.
Proposal
A documented proposal with scope, schedule, and price, ready for your approvers.
Install
Our in-house crews and roofing mechanics, working around your operation and your site safety rules.
Closeout
Closeout documentation and the manufacturer warranty that applies to the project.
Puerto Rico
Strong sun. Tropical rain. Hurricane season.
UV, humidity, salt air along the coast, and hurricane winds test every roof on the island. We plan for them from the first inspection, so your roof can protect what sits beneath it.
Next step
Tell us about your roof.
Book a roof assessment. We start with your building, your schedule, and what your operation needs.