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Completed commercial roof replacement on Northwestern Lehigh High School

Commercial

Commercial roof
replacement.

Tear-off, recover or coating, decided by what is under the membrane rather than what is easiest to sell. Municipal buildings, school districts, churches, warehouses and multi-unit.

Or call (610) 890-4800

Book a free roof assessment

Two questions, then someone calls you back to set up a walkthrough. Usually the same day.

What do you need?

The insulation decides it. If the insulation under the membrane is dry, a recover or a coating can add years for a fraction of a tear-off. If it is saturated, anything laid over the top traps the water and buys two years and a bigger bill. That question gets answered before a number is quoted, not after.

The three options

Tear-off, recover or coat

Full tear-off
Everything comes off to the deck. The only honest answer when insulation is wet or the deck has been holding water.
Recover
A new system over the existing one where the substrate is sound. Cheaper and faster, and only valid on a dry roof.
Coating and restoration
Silicone or acrylic over a roof with life left. Extends service life without a shutdown, and does nothing for a saturated roof.
Section replacement
Large buildings rarely fail all at once. Replacing the failed section can be the right call on a phased budget.
System choice
TPO, EPDM, modified bitumen or standing seam, matched to the building rather than to what is in the van.
Warranty
Manufacturer warranties on qualifying commercial systems. Two commercial warranties are carried, and the terms get put in writing.

Occupied buildings

Nobody stops using the building

Most of the commercial work here is on buildings that cannot close. A fire station, a YMCA, two school district buildings, a golf clubhouse and multi-unit residential are all live examples.

That means phasing, staging and access get agreed before anybody starts, and the roof is never opened wider than can be closed the same day. Schools work around terms and summers. Churches work around weekends. Medical tenants work around clinic hours.

Every stage is photographed, so what happened under the membrane is documented rather than described afterwards.

Completed white membrane roof on the Allentown YMCA seen from the air

When it is time

Signs a commercial roof needs replacing

Wet insulation
Soft spots underfoot, or insulation that stays damp after a dry spell. Once it is saturated, it stops insulating and starts rotting the deck.
Leaks that keep coming back
The same area patched two or three times usually means the problem is the roof, not the patch.
Ponding water
Water still standing two days after rain, which speeds up wear and adds weight to the structure.
Open seams and lifted flashings
Seams pulling apart across the field, or flashings lifting at walls, curbs and penetrations.
Blistering, cracking or shrinkage
Membrane that has blistered, cracked or pulled away from the edges and corners.
Age
Most single ply roofs are near the end of their design life somewhere past twenty years. Age alone is a reason to assess, not a reason to replace.

The process

How a commercial roof replacement runs

Assessment

Someone walks the roof, photographs the failures, and checks the drains, the flashings and whether the insulation is wet. That answer decides tear-off, recover or coating.

Free

Written scope

The system, the insulation, the drainage fixes, the warranty, and what happens to the price if wet insulation or bad deck turns up once it is open.

Days

Permits and scheduling

Permits are pulled, and phasing, staging, crane and dumpster placement are agreed around the people using the building.

Agreed up front

Tear-off by section

The roof is opened one section at a time and never wider than can be closed and made watertight the same day.

Daily

Insulation and new membrane

Damaged deck and wet insulation are replaced, new insulation and cover board go down, then the membrane, with every seam, curb, drain and wall flashing detailed.

Section by section

Close out

Final walkthrough, photographs of the finished roof, and the warranty paperwork.

On completion

What moves the price

What a commercial roof replacement costs depends on

Square footage and layout
Size matters, but so do the number of penetrations, curbs, walls and drains the membrane has to work around.
What comes off
One layer or several. Older buildings sometimes carry two roofs already, and both come off on a full tear-off.
Wet insulation and deck
The biggest unknown on any job, which is why the scope prices it in advance as a known rate.
Insulation requirements
A full replacement can trigger current energy code insulation levels, which can mean more insulation than the old roof had.
Access
Crane time, staging, building height and working around tenants or the public.
System and warranty
TPO, EPDM, modified bitumen, metal or coating, and the length of manufacturer warranty the building owner wants.

Recent replacements

Buildings that had to keep working

Commercial replacements across the Lehigh Valley, from a working municipal fire station to two school district buildings and a golf clubhouse. Every one is a real building you can go and look at. Three of them are in Allentown, covered on the commercial roofing in Allentown page, and the Quakertown clubhouse is on the Bucks County commercial page.

Low slope membrane roof replacement on Allentown Central Fire Station, an occupied municipal building
Allentown Central Fire Station
Allentown, PA
Large white membrane roof on the Allentown YMCA, photographed from the air after completion
Allentown YMCA
Allentown, PA
Completed commercial roof on Northwestern Lehigh High School
Northwestern Lehigh High School
New Tripoli, PA
Completed commercial roof replacement on Northwestern Lehigh Middle School
Northwestern Lehigh Middle School
New Tripoli, PA
Roof replacement on the Fox Hollow Golf Club clubhouse in Quakertown
Fox Hollow Golf Club
Quakertown, PA
Multi-unit residential roof replacement at Tarsus Manor
Tarsus Manor
Lehigh Valley, PA

Commercial replacement questions

What building owners ask

How long does a commercial roof take?

It depends on square footage, access and how much has to come off, and the schedule is written down before the start.

Phased work on an occupied building takes longer by design, because closing every night matters more than finishing quickly.

What happens if you open it and the deck is worse than expected?

You get told, with photographs, before more work happens.

The scope states in advance what happens if wet insulation or bad deck turns up, so it is a known price rather than a surprise invoice.

Can this be phased across budget years?

Yes, and for school districts and municipal buildings that is often how it gets funded.

Sections get prioritised by condition so the worst area is done first rather than whichever is easiest to reach.

Do you handle the insurance side?

Yes, when there is storm damage to document.

Commercial claims run the same process as residential with bigger numbers, which makes the documentation matter more.

Is a recover cheaper than a full replacement?

Usually, and it is a good option when the roof underneath is dry.

A recover skips most of the tear-off and disposal. It only works on a sound, dry substrate, and the assessment tells you whether yours is one.

Can a commercial roof be replaced in winter?

Often, with planning. Some membranes and adhesives have temperature limits.

Cold weather work gets scheduled around those limits, and a roof that is leaking now gets made watertight first so the building is protected until the full replacement.

Do you work outside the Lehigh Valley?

Yes, across eastern Pennsylvania and into New Jersey.

There are local pages for Allentown and Bucks County, and everything else is on the main commercial roofing page.

Find out which
option it needs.

Free assessment with photographs, a written scope, and an honest answer on tear-off, recover or coating.

Call (610) 890-4800