Like most Pinnacle roofing projects, the work was completed in a single day — minimizing disruption for the homeowner.

Pinnacle makes every project affordable with monthly financing options, including 0% interest for 18 months.

On Sheffield Avenue in North Providence, this home’s low-slope roof doubled as a walkable deck, which meant it needed a surface tough enough to shed water and stand up to foot traffic. We rebuilt it with a self-adhered Mule-Hide modified-bitumen system, a fully commercial-grade roofing approach applied to a residential rooftop, finished with a granulated cap that looks clean beside the home’s white railing.

Scope of Work

We cleared the old surface down to a sound substrate and checked the deck for soft spots before any membrane went down. Because this is a near-flat area where standing water is the enemy, we installed a self-adhered mod-bit base sheet, rolling and pressing it to eliminate voids, then bonded the granulated cap membrane over it with fully sealed, overlapping seams. Every edge, wall tie-in, and penetration was flashed by hand so water has nowhere to migrate. This kind of low-slope roof repair gives a rooftop deck a durable, monolithic skin instead of the patch-over-patch approach that fails within a season.

What We Installed (And Why)

Self-adhered modified bitumen is built for exactly this situation: a low pitch that has to hold water back rather than shed it fast. The self-adhering base means no open-flame torching over an occupied home, and the SBS-modified asphalt stays flexible through New England’s freeze-thaw swings, so the membrane moves with the deck instead of cracking. Layered base-and-cap construction gives the roof genuine redundancy, two bonded plies rather than a single thin surface.

The granulated cap sheet is what makes this deck livable. Its mineral surface resists UV, adds traction underfoot, and takes the wear of a used rooftop far better than a smooth coating would, all while keeping a tidy, finished look against the home’s exterior and white railing.

Project Photo Gallery

Finished mod-bit rooftop deck with white railing, North Providence

Granulated mod-bit deck surface beside home exterior

Self-adhered mod-bit base membrane during install

Good To Know: Can a flat rooftop deck really be waterproof?

Yes, when it is built as a system rather than sealed as an afterthought. The key on any low-slope surface is a fully-adhered, multi-ply membrane with every seam and edge lapped and bonded, so there are no shingle-style overlaps for water to creep under. On a walkable deck the granulated cap adds abrasion resistance so foot traffic does not wear through the waterproofing. Done right, a mod-bit deck stays dry for decades even where water lingers after a storm.

Why This Approach Works

A rooftop deck asks its roof to be two things at once, a waterproof membrane and a floor. A self-adhered mod-bit assembly delivers both: the bonded base-and-cap plies handle the water, and the granular cap handles the wear. By tackling this as a proper low-slope repair rather than recoating a tired surface, we gave the homeowner a roof that drains, resists ponding, and holds up to being used, not just looked at.

Why Pinnacle

Pinnacle Roofing & Skylights has worked across Rhode Island since 2012, and for low-slope and flat work like this we are a Mule-Hide and Gaco Licensed Applicator, installing to the manufacturer’s specification rather than improvising. Low-slope roofing is a discipline of its own, and we treat it that way. We hold a 5.0-star Google rating with 100+ five-star reviews and an A+ rating from the BBB, and we carry RI Residential License #39446 and Commercial License #261.