Commercial Membrane Roof
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Membrane Roofs & Insulation
Commercial flat roofs require specialized systems to ensure long-lasting protection against the elements. Membrane roofing systems are designed to provide a watertight covering, protecting the interior of the building while offering excellent durability and energy efficiency.
- Weatherproofing layers: To keep water from entering the roof assembly.
- Reinforcement: Adds strength, puncture resistance, and dimensional stability.
- Surfacing: Protects the weatherproofing and reinforcement from sunlight and weather.
Membrane Roof Insulation Properties
Proper insulation is critical for the performance of a membrane roof. Key properties include:
- Thermal resistance (R-value) for energy savings.
- Dimensional stability under varying temperatures.
- Fire resistance and code compliance.
- Compressive strength to withstand foot traffic and equipment loads.
- Moisture resistance to prevent degradation.
Roof Maintenance Guidelines
Regular maintenance extends the life of your commercial roof. A standard program includes:
- Clearing drains, scuppers, and gutters of debris.
- Inspecting and repairing roof flashings.
- Checking for areas of ponding water.
- Repairing blisters, ridges, or surface splits.
- Regular professional inspections after severe weather.
Single-Ply Roof Membranes
Single-ply membranes are factory-manufactured sheet products. They generally fall into two categories: Thermoset and Thermoplastic.
Types of Single-Ply Membranes:
- TPO (Thermoplastic Polyolefin): Highly reflective, energy-efficient, and resistant to UV, ozone, and chemical exposure. Seams are heat-welded.
- PVC (Polyvinyl Chloride): Known for excellent resistance to chemicals, grease, and fire. Highly flexible and features heat-welded seams.
- EPDM (Ethylene Propylene Diene Terpolymer): A durable synthetic rubber roofing membrane (Thermoset). Extremely weather-resistant and typically adhered or mechanically attached.
Application Methods
Depending on your building's structure and location, single-ply systems can be installed using various methods:
- Fully Adhered: The membrane is glued directly to the insulation or roof deck. Ideal for roofs with varying slopes or high wind areas.
- Mechanically Attached: The membrane is secured to the deck using specialized fasteners and plates. Cost-effective and relatively quick to install.
- Loose-Laid / Ballasted: The membrane is laid loose over the insulation and held in place by the weight of river rock or concrete pavers.
Membrane Thickness & Sizing
We provide a range of thickness options to suit your specific commercial requirements, ensuring maximum durability and warranty coverage.
- Common thicknesses include: 45 mil, 60 mil, 72 mil, 80 mil, and 90 mil.
- Roll widths vary depending on the material, typically ranging from 5 feet to 12 feet wide, minimizing seams.