Pawcatuck Commercial Roof Repair Contractor

Can An Old Built-Up Roof Take Another Repair Layer?

As a Pawcatuck commercial roof repair contractor, we test old built-up roofs and patch layers before repairing blisters, splits, and wet areas.

Roofers cutting out and patching a split in a single-ply membrane on a flat commercial roof

Commercial Roof Repair For Pawcatuck Brick Commercial Blocks

Two roofers taking a core cut and moisture meter readings on a membrane roof

Pawcatuck commercial roof repair on older brick buildings often means working on a built-up roof covered in decades of patches. Asphalt, gravel, fabric, and mastic layers pile up, and each new patch bonds only as well as the layer under it.

Before adding anything, we test how well the old layers hold, take core cuts to find wet insulation, and decide where a patch will grip. Areas that fail the test get cut back to a firm surface first.

  • Adhesion checks on old mastic and patch layers
  • Core cuts to find wet insulation under the surface
  • Blisters and splits opened, dried, and repaired
  • Gravel cleared back so repairs bond to clean felt

Commercial Roof Repair Problems On Pawcatuck Built-Up Roofs

Older built-up roofs show their age in a few telltale ways. Each one tells us what to test before a repair goes on.

Soft Bubbles In The Surface

Likely Cause

Trapped moisture or air between felt plies expands in summer heat and lifts the layers into blisters.

What We Do

We cut each blister open, let the plies dry, and repair it with new felt and mastic set on firm, dry layers.

Cracked, Alligatored Asphalt

Likely Cause

Sun dries the top asphalt layer until it shrinks and cracks into a scaly pattern that lets water reach the felts.

What We Do

Cracked areas are cleaned, primed, and covered with a reinforced repair layer where the plies below still hold.

Patch That Peels Up In A Season

Likely Cause

Mastic laid over dusty gravel or a weak old patch never bonds, so it lifts at the edges within months.

What We Do

Loose gravel and failed patches come off, the surface is tested for grip, and the repair bonds to clean, firm plies.

Splits At Walls And Drains

Likely Cause

Built-up flashing at brick walls and old drains splits as the building moves through hot and cold seasons.

What We Do

Crews replace the split flashing, reset the drain clamping ring, and tie the new plies into the existing roof.

Pawcatuck Commercial Roof Repair That Bonds To Firm Layers

Testing first means each repair grips the roof under it, so patches stop peeling and leaks stop returning.

Peeling Patch Layers

What Wears Out

Patch stacked on patch loses grip, and the whole stack lifts in wind and summer heat.

What The Repair Does

Cutting back to firm plies and making one repair that grips gives the patch something solid to hold.

Hidden Wet Insulation

What Wears Out

Water under the surface soaks insulation for years before a ceiling stain shows inside.

What The Repair Does

Core cuts locate the wet boards, and replacing them stops the blisters and soft spots they cause.

Dried-Out Asphalt

What Wears Out

Sun and age dry the top layers of a built-up roof until they crack and shed gravel.

What The Repair Does

Reinforced repair layers over cleaned, primed areas seal the cracks and protect the felts underneath.

Worn Wall Flashing

What Wears Out

Flashing up the brick walls splits and pulls away as the mortar joints behind it weaken.

What The Repair Does

New flashing tied into the plies, with counterflashing set in the wall, closes the joint where water often enters on older blocks.

Commercial Roof Repair Options For Pawcatuck Buildings

Four repair services cover the brick blocks, warehouses, and shop buildings we work on in Pawcatuck.

Roofer clearing a roof drain and resealing the drain flashing on a flat roof

Built-up and membrane roofs on brick blocks get flat roof repair: blisters, cracked asphalt, wall flashing, and drains, each tested for bond before new material goes on.

Flat Roof Repair details
Roofer walking a flat roof with a building owner and pointing out the parapet flashing

Old Patches Lifting Again?

Call and tell us about how many patch layers you can see, where the water shows inside, and whether the roof has gravel on it.

How We Repair An Older Pawcatuck Roof

Built-up roof repairs follow four steps, with testing before any new layer goes down and photos kept at each stage for the owner.

  1. Test The Old Layers

    First we probe patches and mastic for grip and mark which areas of the roof hold firmly and which lift away under light pressure.

  2. Core Cut For Moisture

    Small core cuts show the ply count and whether insulation is wet, and each cut is sealed before we leave the roof.

  3. Cut Back And Repair

    Weak layers come off down to firm plies, wet insulation is replaced, and new felt and mastic go on clean surfaces.

  4. Record What Remains

    Photos and notes list the roof areas still holding and those likely to need work next, so the owner can plan ahead.

More Towns We Serve Beyond Pawcatuck

Groton plus fourteen towns near Pawcatuck make up our commercial roof repair area. If your building is farther out, call us or send us a message.

Pickup truck with a ladder rack parked at a metal commercial building while roofers work above
  • GrotonHome base for flat, metal, and plant roof repairs
  • New LondonParapets, coping, and old drains
  • Old SaybrookRetail strips and rooftop unit flashing
  • MysticRestaurant roofs and kitchen exhaust fans
  • WestbrookMulti-building properties with mixed roofs
  • UncasvilleRepairs over buildings that never close
  • NianticSpring repairs for seasonal shop roofs
  • WaterfordCeiling stain leak tracing for stores and offices
  • EssexTight-access repairs on village shop roofs
  • StoningtonSalt damage repairs on waterfront roofs
  • Gales FerryMetal shop panels, skylights, and end laps
  • Old LymeChurch, school, and office roofs around occupancy
  • East LymeStorage roofs, ridge caps, and long panel runs
  • Old MysticWinter ice at drains and parapets
  • Poquonock BridgeStorm checks for edges and drains

Commercial Roof Repair Questions From Pawcatuck Owners

Repair Cost

What drives Pawcatuck commercial roof repair cost on an older roof?

The amount of wet insulation and the number of failed patch layers matter most. Cutting back several old layers takes more labor than patching a single split, and wet boards found by core cuts add material. Wall flashing, drains, roof height, and access for hauling debris also change the price.

Local Businesses

What does commercial roof repair for Pawcatuck businesses in older blocks cover?

Most repairs cover blisters, cracked asphalt, wall flashing, drains, and failed patches on built-up roofs, plus fasteners and laps on metal additions. We test the old layers, cut out wet areas, and bond each repair to firm plies so it holds through summer heat and freezing nights.

Adhesion

How do you know a new patch will stick to an old roof?

We test first. Light probing and a small pull test on old mastic and patches show whether they hold firmly, and core cuts show the plies and insulation underneath. Areas that fail come off before any repair, so new material bonds to a clean, firm surface.

Blisters

Do blisters on a built-up roof always need repair?

Small, firm blisters can be watched, but soft ones, cracked ones, and any near seams or drains should be repaired. A cracked blister lets water straight into the plies. We cut it open, dry the layers, and rebuild it with new felt and mastic set on firm plies around it.

Repair Or Replace

When is an old built-up roof past repair?

Replacement makes more sense when core cuts find wet insulation across large areas, when blisters and splits keep returning in new places, or when patch layers no longer bond anywhere. Until then, targeted repairs keep the roof working. We map the problem areas so you can see how much of the roof is affected.

Arrange Pawcatuck Commercial Roof Repair For Your Old Roof

Get a free estimate or call us to test the old layers and repair what is failing.

Call (860) 957-4629