EPDM Rubber Roof Replacement in Portsmouth, NH

📍 Portsmouth, NH 🔧 EPDM Rubber Roof Installation
EPDM Rubber Roof Replacement in Portsmouth, NH — completed by Compass Exteriors in Portsmouth, NH EPDM Rubber Roof Replacement in Portsmouth, NH — additional view by Compass Exteriors

Project Facts

Location
Portsmouth, NH
Service
EPDM Rubber Roofing
Materials & Products
EPDM Rubber Roof Installation
Roof Type
Low-slope / flat
Membrane
Fully-adhered 60-mil EPDM rubber
Deck
Inspected and repaired before install
Seams & Penetrations
Fully sealed, watertight
Edge Detail
New drip edge flashing

A Fully-Adhered EPDM Rubber Roof in Portsmouth, NH

This Portsmouth, NH homeowner had an aging, failing low-slope roof and needed a durable replacement built for the long haul. Our team installed a fully-adhered 60-mil EPDM rubber roofing system — the right call for a flat or low-slope roof where standard shingles simply don't belong.

What We Did

  • Removed the aging, failing membrane down to the deck
  • Inspected and repaired the roof deck for a solid, dry foundation
  • Installed a fully-adhered 60-mil EPDM rubber membrane
  • Expertly sealed all seams and penetrations for a watertight finish
  • Added new drip edge flashing for a clean, finished edge

Why EPDM for a Low-Slope Roof

Asphalt shingles rely on slope to shed water, so on a flat or low-slope roof they fail fast. A fully-adhered 60-mil EPDM membrane is bonded directly to the substrate, which makes it far more resistant to wind uplift and gives you one continuous waterproof surface. The thickness matters too — 60-mil stands up to foot traffic, weather, and UV better than thinner membranes, which is why we spec it for long-term residential performance.

Where Low-Slope Roofs Actually Leak

On a rubber roof, the seams and penetrations are everything — that's where a low-slope roof leaks if it's going to. We took the time to seal every seam and penetration properly and finished the edges with new drip edge, so this Portsmouth roof is a clean, continuous, watertight system rather than a patchwork.

If you have a flat or low-slope roof in Portsmouth or the Seacoast that's leaking or near the end of its life, an EPDM replacement is often the most durable, cost-effective fix. Get a free inspection or call 603-219-1523.

Services Performed

EPDM Rubber Roof Installation

Portsmouth EPDM Rubber Roofing — FAQs

Why use EPDM rubber instead of shingles on this Portsmouth roof?

This was a low-slope roof, where asphalt shingles fail quickly because they need slope to shed water. A fully-adhered 60-mil EPDM rubber membrane gives one continuous, watertight surface that's built for flat and low-slope residential roofs.

What does fully-adhered 60-mil EPDM mean?

Fully-adhered means the rubber membrane is bonded directly to the substrate for strong wind-uplift resistance, and 60-mil refers to the membrane thickness — a heavier-duty rubber that stands up better to weather, UV, and foot traffic for long-term performance.

Where do low-slope rubber roofs usually leak?

At the seams and penetrations. On this Portsmouth job we sealed every seam and penetration and added new drip edge flashing, so the roof is one continuous watertight system instead of a patchwork of weak points.

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