Roofers laying a black EPDM membrane on a low-slope commercial roof

Merrillville EPDM Roofing Contractor

Rubber Membrane That Rides Out Deep Cold

As a Merrillville EPDM roofing contractor, we install black rubber membrane on low-slope commercial roofs, fully adhered or ballasted, with new seams and flashing.

  • Wide Sheets, Fewer Seams
  • Flexible In Hard Freezes
  • Taped Seams And Cover Strips

Is This Roof A Fit For Merrillville EPDM Roofing?

Merrillville EPDM roofing goes down two main ways, and some roofs point to another system entirely.

  • Usually Fits
  • Sometimes
  • Rarely
What You See On The RoofFully Adhered EPDMBallasted EPDMAnother System
Many curbs, pipes, and equipment standsUsually FitsRarelySometimes
Open field, few penetrations, strong deckSometimesUsually FitsRarely
Heavy daily foot traffic to unitsSometimesRarelyUsually Fits
Deep snow drifts against higher wallsUsually FitsSometimesRarely
Steep pitched roof on a shop or officeRarelyRarelyUsually Fits

Ballast needs a deck rated for the stone weight, checked before it is proposed.

Where EPDM Roofing Leaks on Merrillville Office Buildings

Rubber roofs fail at the edges and joints long before the sheet itself wears through.

Edge And Parapet

Shrinking membrane pulls the wall flashing away from the parapet, opening a gap at the top of the base where wind-driven rain gets in.

Field And Seams

Glued seams on older roofs dry out and lift. Water slips under the lap, freezes, and pries the joint a little wider every winter.

Drains And Scuppers

Sheet around a drain wrinkles as it shrinks, breaking the seal at the clamping ring. Water then runs under the field toward the lowest point.

Units And Penetrations

Pipe boots crack and split, and curb flashing tears where the membrane has tightened over the corner of each unit.

Deck And Insulation

Ballasted roofs hide wet insulation under the stone. Soft spots and a heavy feel underfoot point to boards that need replacing.

EPDM Roofing Options for Merrillville Buildings

An EPDM roof is built from a few choices about thickness, attachment, and seams.

60 Or 90 Mil Sheet

Sixty-mil rubber covers most offices and retail roofs. Ninety-mil adds thickness where traffic or hail exposure is heavier than usual.

Fully Adhered Sheet

Bonding adhesive holds the sheet to a cover board, which resists wind uplift and keeps the membrane tight around curbs and penetrations.

Ballast Over Loose Sheet

River stone holds the membrane down on strong decks with few penetrations. It installs quickly but adds weight the structure has to carry.

Seam Tape And Strips

Factory tape replaces the liquid seam glue that older roofs used, and cover strips go over each lap at walls and curbs.

What EPDM Roofing Does for Merrillville Medical Offices

Rubber membrane suits buildings that need a quiet, steady roof through hard winters.

Stays Flexible In January

EPDM keeps its stretch well below freezing, so the sheet moves with the deck instead of cracking during the coldest weeks of the year.

Wide Sheets, Fewer Laps

Rolls up to fifty feet wide cover big areas in one piece, leaving fewer seams to open on a large office roof.

Patches Match Years Later

Holes are cleaned, primed, and covered with matching rubber and tape, so a repair ten years on bonds like the original.

Quiet Install Over Patients

Adhered EPDM goes down without welding equipment or loud fastening runs, which helps on medical buildings that stay open during the work.

Crew tearing an old commercial roof section down to the deck

Flashing Pulling Away From The Wall?

That is usually membrane shrinkage. Send the address and we will check whether new flashing fixes it or the sheet needs replacing.

Get A Free Estimate

How an EPDM Roofing Job Runs in Merrillville

Each EPDM install follows the same order, from the first core to the last cover strip.

  1. Core And Measure

    Cores show what the old roof hides, and measurements set the sheet layout so seams land away from drains and low spots.

  2. Prepare The Base

    Old layers come off where needed, deck repairs go in, and insulation with a cover board is fastened down to take the adhesive.

  3. Roll And Bond

    Sheets are unrolled, relaxed, and glued down, or laid loose for ballast, with factory tape at each lap and cover strips at the edges.

  4. Flash And Inspect

    Walls, curbs, boots, and drains get new flashing, then a final walk with you checks every seam and termination.

Related Roof Systems for Merrillville Buildings

Where rubber is the wrong match, one of these systems usually fits.

White welded membrane for busy low-slope roofs.

Best For
  • Retail roofs crowded with units
  • Warehouses that run hot in summer
  • Recovers over one dry layer
Watch For
  • Punctures on service paths
  • Weld quality at every lap
TPO Roofing →

Plant and warehouse roofs laid out around equipment.

Best For
  • Roofs with fans, stacks, and ducts
  • Weekly technician traffic
  • Production that keeps running below
Watch For
  • Units lifted during reroofing
  • Crushed insulation along paths
Industrial Roofing →

Panels for pitched roofs, shops, and retrofit slope.

Best For
  • Pitched office and retail roofs
  • Barns, shops, and storage
  • Flat roofs rebuilt with framing
Watch For
  • Fasteners loosening over time
  • Rust at panel ends and laps
Commercial Metal Roofing →

EPDM Questions From Merrillville Owners

How do EPDM and freeze-thaw cycles interact in Merrillville?

The sheet itself handles them well because it stays flexible. Trouble starts at seams, flashing, and penetrations, where water gets in, freezes, and pries joints open. A spring check of seams, pipe boots, and perimeter flashing catches that damage early.

What is the average lifespan of an EPDM roof in Merrillville?

Twenty to thirty years is typical. Thickness, attachment, drainage, and seam upkeep decide where a roof falls in that range, and roofs that drain well and get regular seam and flashing checks outlast roofs left until a leak shows.

What are common problems with EPDM roofs here?

Opening seams, shrinkage that drags flashing off walls and curbs, punctures, and leaking pipe boots top the list, and older glued seams open most. Fixes use tape and cover strips at seams, new flashing where the sheet shrank, and matching rubber patches.

Fully adhered vs ballasted EPDM: which fits?

Adhered sheet is glued to the insulation or cover board, resists wind, and handles many penetrations. Ballasted sheet sits under stone, goes down faster, adds weight, and hides leaks. Roofs with heavy equipment lean adhered, and ballast needs a deck rated for the load.

What should be checked on an EPDM roof after hail?

Walk it for bruised membrane, split seams, punctures, and dented flashing, skylights, and unit fins. Hail can crush insulation under the sheet without tearing it, so soft spots get a test cut, and photos record the damage for the file.

Can EPDM go over an existing roof?

Over one dry layer, often yes, with a cover board between the old surface and the new sheet. Wet insulation or a second existing layer means tear-off first, and core cuts show which case applies before the scope is written.

Hire a Merrillville EPDM Roofing Contractor

Call or send the address to book a roof walk on your rubber roof.

Call (219) 385-4583