Flat Roof Repair in Hudson, WI
Flat roof repair in Hudson fixes the seam, puncture, blister or flashing that is letting water through a flat or rubber roof, without replacing the whole roof. Hudson Roofing Pros finds where the water gets in, repairs it in a material that matches your roof, and tells you plainly if the roof is past repairing.
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- Licensed
- Insured
- Since 2016
- Certified Technicians
- 10-Year Workmanship Warranty
- GAF Certified Contractor
When Does a Hudson Flat Roof Need Repair?
A Hudson flat roof needs repair when water is coming through in one place, a seam has opened, the membrane is punctured or blistered, or the flashing at a wall, vent or edge has pulled loose. Flat roofs on porches, garages, additions and dormers hold snow and standing meltwater longer than a pitched roof, so a small opening that stays dry in summer can leak all winter.
Water on a flat roof also travels before it shows. It can run along the deck or through the insulation and drip from a ceiling well away from the opening, so we trace the leak back to where it starts rather than patching the spot above the stain.
A repair is worth doing when the rest of the roof is sound. When the membrane is worn across the roof or leaks keep turning up in new places, flat roof replacement is the better spend.
Leak far from the stain?
Water travels on a flat roof
The opening is often several feet from where the drip shows, so the repair starts with finding the real source.
What Are the Signs Your Hudson Flat Roof Needs Repair?
The signs a Hudson flat roof needs repair show up both on the roof and inside the house: a stain or drip on the ceiling below, and on top, ponding, open seams, blisters, cracks or loose flashing.
Ceiling Stains or Drips
Brown rings or drips under a porch, garage or addition roof mean water is already getting through.
Standing Water
Ponds that sit for days after rain or snowmelt keep pressure on every seam and weak spot.
Open or Lifting Seams
Seams that have pulled apart or lifted at the edges let water run straight under the membrane.
Blisters and Bubbles
Raised pockets in the membrane can trap moisture and split open under foot traffic or freezing.
Cracks and Splits
Cracking or splitting across the surface shows a membrane that has dried out and lost its flexibility.
Loose Flashing
Flashing pulling away where the roof meets a wall, vent or edge is one of the most common leak points.
Seeing a leak under your Hudson flat roof?
Tell us where the water is showing and when it started, and we will come and find the source.
How We Repair a Flat Roof in Hudson
We repair a Hudson flat roof by tracing the leak to its source, checking how far the water has spread, then cutting out the damage and patching it in the same type of material as the roof. The same crew handles the job from first look to cleanup.
- 1
Trace the Leak
We check the membrane, seams, flashing and drains above and around the stain to find where the water gets in.
- 2
Check What Got Wet
We look for soaked insulation and soft decking, because a patch over wet material does not last.
- 3
Cut Out the Damage
Damaged membrane and wet material are removed back to sound roof.
- 4
Patch in a Matching Material
We repair EPDM with EPDM, a modified bitumen roof with modified bitumen, and so on, to the manufacturer's instructions.
- 5
Reseal the Flashing
Loose flashing at walls, vents and edges is refastened and sealed.
Rubber and asphalt-based flat roofs call for different patch materials. A rubber roof gets the repairs described for EPDM rubber roofing, while an asphalt-based roof is patched in plies, as on a modified bitumen roof.
Should You Repair or Replace Your Hudson Flat Roof?
You should repair a Hudson flat roof when the leak comes from one place and the rest of the membrane is flexible and dry underneath, and replace it when the damage is spread across the roof. A sound roof that is starting to wear can also be sealed with roof coatings after the repair, sealing the surface without replacing the roof.
Repair it when
- The leak traces to one seam, puncture or flashing
- The membrane is intact and flexible elsewhere
- The insulation and deck are dry
- The roof is well short of its typical life
Replace it when
- Leaks keep turning up in new places
- The membrane is cracked or brittle across the roof
- Insulation or decking under the roof is soaked or soft
- Repairs are piling up year after year
Not sure if your flat roof can be repaired?
We will look at the membrane and what is under it, and tell you which way makes sense.
What Does Flat Roof Repair Cost in Hudson?
Flat roof repair costs $300 to $1,100, about $700 on average, as a national range, not a quote. No published figure exists for Hudson itself, and the price for your roof depends on how big the damage is, the roofing material and whether wet insulation or decking has to be replaced.
Flat roof repair
nationalA national range, not a quote. We price your repair in writing after seeing it.
What Wisconsin Rules Apply to a Flat Roof Repair in Hudson?
Wisconsin's dwelling code leaves repairs and maintenance to homes outside its rules, so a flat roof repair in Hudson is governed mainly by the roofing maker's instructions and your local building rules. In the City of Hudson, roofing work with no structural changes or repairs needs no building permit, and projects and repairs under $500 are also exempt, while structural repairs need a permit.
Outside the city, towns and villages set their own permit rules, and we confirm them with your local building inspector before work starts. If the deck or framing under the flat roof has rotted, that is structural work, and we tell you before it is done.
Who Can Repair a Flat Roof on a Hudson Home?
A contractor holding Wisconsin's Dwelling Contractor certification, with a certified Dwelling Contractor Qualifier, can repair a Flat Roof on a Hudson Home, because that is the credential the state requires of anyone who pulls a building permit for work on a one- or two-family home, and Wisconsin has no roofing-specific license. Hudson Roofing Pros does this work, and when you book with us or anyone else, ask for proof of the credential and of insurance.
You can check a contractor's credential on the state's credential lookup. If a crew knocks on your door after a storm offering to pay your insurance deductible, Wisconsin law forbids that promise.
Flat Roof Repair FAQs
Can a Leaking Flat Roof Be Repaired Instead of Replaced?
Yes, a leaking flat roof can be repaired when the leak comes from one seam, puncture or flashing and the rest of the roof is sound and dry underneath. When leaks appear in several places or the insulation is soaked, replacement is the lasting fix.
Why Does My Flat Roof Leak Only in Winter?
A flat roof often leaks in winter because snow and meltwater sit on it for weeks, pushing water through small openings that stay dry in a quick summer rain. Ice and refreezing water can also open seams and lift flashing.
How Much Does Flat Roof Repair Cost?
Flat roof repair costs $300 to $1,100, about $700 on average, as a national range, not a quote. Replacing wet insulation or decking under the patch adds to that.
Do I Need a Permit to Repair a Flat Roof in Hudson?
No permit is needed for a flat roof repair on a City of Hudson home unless the repair is structural, such as replacing framing. Elsewhere we confirm the rules with the local building inspector.
Will Insurance Pay for a Flat Roof Repair?
Insurance pays to repair the part of a flat roof damaged by a covered loss such as hail or wind, minus your deductible, but not damage from wear. Check your own policy for what it covers.
Get a flat roof repair estimate
Send the form or call us with your address and where the water is showing, and we will arrange a time to find the leak and price the repair.
Call now (651) 691-2168 Open 24 hours, 7 days a week