Atlantic Waterproofing
Commercial spray polyurethane foam roofing application
Back to Roof Coatings

High-R roof insulation

Spray Polyurethane Foam (SPF) Roofing

Roofing-grade SPF foam adds seamless, high-R insulation to your commercial roof. It is always finished with a protective topcoat from our flagship coating systems to create a durable, warrantied roof assembly.

Insulation First. Waterproofing by Design.

SPF foam is not waterproofing on its own. It is a rigid, closed-cell insulation that must be protected with a quality coating system to perform long-term.

R-6.5 per inch, the highest R-value of any roof insulation
Seamless, self-flashing, and fully adhered to substrate
Class 4 hail resistance with proper topcoat and granules
Renewable system: just recoat, no tear-off
Documented lifespans exceeding 50 years with maintenance
Stops thermal bridging and air leakage in one step

How it works

Foam + Topcoat = A Complete Roof System

Two liquid components are heated, pressurized, and mixed at the spray gun, expanding 20–30 times their volume to form a rigid, closed-cell foam that adheres directly to the substrate.

Once cured, the foam is covered with a protective coating that shields it from UV, moisture, and weathering. That topcoat is what makes the assembly waterproof and renewable.

We match the topcoat to your roof's condition and performance goals: Ecodur for adhesion and flexibility, FiberMaxx for fiber-reinforced toughness, or Enduris silicone for ponding water and UV exposure.

Commercial spray polyurethane foam roofing application

Topcoat Options for SPF Foam

Any of our flagship coating systems can be applied over roofing-grade SPF foam to create a seamless, warrantied roof.

Castagra Ecodur

Gypsum

Our #1 recommendation for most substrates. Extreme adhesion, 60% elongation, and bio-based chemistry.

Learn more

FAR FiberMaxx

Polyurethane

A fiber-reinforced polyurethane-acrylic hybrid that forms a tough, seamless, reflective membrane.

Learn more

GE Enduris

Silicone

High-solids silicone built for flat roofs that pond. Superior UV resistance and permanent ponding water protection.

Learn more

Is SPF Roofing Right for Your Building?

SPF roofing works best when you want to improve insulation, eliminate seams, and create a fully adhered roof assembly over an existing substrate in good structural condition.

Best Suited For

  • Commercial flat and low-slope roofs
  • Buildings needing improved R-value and air sealing
  • Roofs with complex penetrations, curbs, and equipment
  • Owners who want a renewable, recoat-able system

Let's Get You Scheduled

Only takes 1 minute. Jeff or Dave will contact you!

Call (781) 621-9411
Step 1 of 4

What is your ZIP code?

We service Massachusetts and beyond!