Flat Roof Replacement in University Heights

01 University Heights

Fix the fall, then lay the membrane.

Re-covering a flat roof without correcting the fall reproduces the failure on a new membrane. If water stood on the old system it will stand on the new one, in the same places, and the seams under it will be tested continuously rather than occasionally.

University Heights

Flat Roof Replacement, and what it actually involves

On a low-slope roof the specification argument is usually about the membrane, and the thing that decides the outcome is usually the drainage.

Stripped to the deck, not re-covered over the old roof
Deck inspected once exposed, with a stated allowance
Scoped against the NJ Uniform Construction Code
Newark and the surrounding Essex, Hudson and Union towns

(973) 788-8324

Two workers on a low-slope roof behind a parapet — Replacement work

01 Low-slope systems

Replace the fall, not just the membrane

A flat roof that ponded before will pond again under a new membrane, in the same places, unless something about the drainage changes.

Ponding is a design fault, not weather

Water still standing forty-eight hours after rain means the fall, the drains or the deck have moved. A new membrane laid over that is being tested continuously instead of occasionally.

Drains sized and sited first

A blocked or undersized outlet turns the roof into a shallow tank. Replacement is the only realistic opportunity to correct outlet positions, so it should be taken.

Tapered insulation earns its cost

Where the structural deck cannot be re-pitched, tapered insulation builds the fall into the build-up. It is the difference between a roof that drains and one that merely has a membrane.

Every penetration is its own detail

Pipes, vents, mechanical curbs and fixings each get flashed individually. On a large roof these outnumber every other failure point put together.

Wet insulation does not dry

Saturated boards under an old membrane stay saturated once a new one is over them. If the survey shows wet insulation it comes out, or the new roof is compromised on day one.

Terminations and upstands

The membrane turning up a wall, and the bar that holds it there, take the stress. The field of the membrane rarely fails first.

02 Applied to University Heights

What changes about this job here

This is where flat roof replacement is a real engineering job. A shallow fall over a long span leaves water standing for days, and tapered insulation to build the fall back in is usually the difference between a roof and a pond.

University Heights — large single-span roofs

A mix of institutional buildings, student and staff housing, and older residential blocks that predate the campuses around them.

Reference point: the campuses of Rutgers University-Newark and NJIT.

03 On the ground in University Heights

What gets replaced here, and what makes it awkward

Where the difficulty sits

Institutional roofs and the houses beside them fail on completely different timescales and to different standards. On the institutional side the question is usually the specification and the warranty; on the residential side it is the age of the covering.

Worth knowing locally

Work near a campus is constrained by term dates far more than by weather, and a replacement is usually scheduled around them.

An old roof covering being stripped back to the deck — University Heights

Buildings in University Heights

What the roofs are like in University Heights

A mix of institutional buildings, student and staff housing, and older residential blocks that predate the campuses around them.

All areas covered

05 The rules that apply

What New Jersey code requires on a replacement

Worth knowing before accepting any quote, because a scope that ignores these is a scope that will change later.

One code, statewide

New Jersey adopts a single Uniform Construction Code and municipalities may not set lesser or greater technical requirements. A correct specification in Newark is correct in Kearny.

Two layers, then tear off

No more than two applications of covering may remain on a structure. A third means a full strip, whatever the quote assumed.

The 25% permit threshold

Replacing more than a quarter of a roof surface within any twelve months requires a construction permit. Splitting one job in two inside that window does not avoid it.

Ice barrier at the eaves

Required in this design zone, running from the eave edge to at least 24 inches inside the interior wall line.

Who enforces it here

In Newark the code is enforced by the city's Department of Engineering, Division of Construction Code Enforcement, which is where permits for qualifying work are issued.

Inspection before cover-up

Where a permit applies, the work is inspected at stages. A programme that ignores inspection windows is a programme that will slip.

Nearby & related

Flat Roof work close to University Heights

The same job in the areas next door, and the other work we take on in this one.

Flat Roof Downtown Flat Roof Weequahic Flat Roof Roseville Flat Roof Vailsburg

Replacement in University Heights Installation in University Heights Shingle in University Heights Storm Damage in University Heights Multi-Family in University Heights

See every area we do flat roof replacement in across Newark →

Questions

Common questions

General guidance about how these buildings are re-roofed, not a survey of any particular property.

Can the flat roof just be re-covered?

Only if the water drains. A membrane laid over a fall that already ponds will pond in the same places, and the seams under standing water are tested continuously rather than occasionally. Correcting the fall is usually the actual job.

Does the building have to close during the work?

No. Large single-span roofs are phased so that whatever is stripped can be made watertight the same day, and the space underneath stays in use throughout.

Will this need a permit?

Replacing more than a quarter of a roof surface within any twelve months requires a construction permit under the New Jersey Uniform Construction Code. A full replacement is over that threshold, so yes — and the work is inspected at stages.