
Roofing
A roof built for the weight of a Duluth winter.
Full residential roof replacement engineered for heavy snow load, ice dams and the freeze-thaw cycling that shortens roof life across northern Minnesota.
What goes into a roof replacement in northern Minnesota?
Covenant Builders installs residential roofing systems engineered for northern Minnesota: ice and water shield along eaves and valleys, balanced ridge-and-soffit ventilation to stop ice dams, and impact-rated shingles fastened to resist wind uplift. Most replacements finish in two to four days, including deck inspection and full debris haul-away.
Overview
Built for the conditions that actually cause failures here
Covenant Builders installs residential roofing systems built to withstand the weight of heavy snowfall, the strain of repeated freeze-thaw cycling and the moisture that accumulates through a long Duluth winter. A roof here has to protect the structure from water infiltration while handling seasonal extremes that cause premature wear on systems specified for milder climates.
This is work for homeowners replacing a failing roof, chasing a recurring leak, or upgrading to materials that hold up under real northern Minnesota conditions. If you are seeing curling shingles, bare patches where the granules have washed off, or staining around the flashing, the roof is telling you where it is in its life.

Scope
What a roof replacement includes
- Complete tear-off of existing roofing, underlayment and damaged flashing
- Deck inspection, with rotted or delaminated sheathing replaced
- Ice and water shield along eaves and valleys
- Full synthetic underlayment across the deck
- New flashing at chimneys, walls, valleys and every penetration
- Balanced ridge and soffit ventilation, installed or verified
- Debris haul-away, landscape protection and a magnet sweep for nails

A roof is a system. The shingle is the part you can see, and the least of what decides how long it lasts.
How it is done
Installation methods that decide how long a roof lasts

A roofing system is more than its shingles. Underlayment, flashing, ventilation channels and the outer weather layer each have a job, and they are installed in a sequence that keeps water off the roof deck even during wind-driven rain or a mid-winter thaw. Ice and water shield runs along the eaves and through the valleys, which is where ice dams do their damage.
Fastening patterns and materials are rated for high wind, and valleys, chimneys and vent penetrations are sealed rather than simply covered. Ventilation gets balanced between soffit intake and ridge exhaust, because an attic that cannot move air stays hot and damp and ages the shingles from underneath, no matter what is on top.
Once the old roofing is off, the deck gets inspected. Rotted or delaminated sheathing is replaced before anything new goes down, because new material fastened to compromised decking will not hold. Tarps protect landscaping and entryways throughout, and the site gets a magnet sweep for nails before the crew leaves.
Roofing material comparison
How common residential roofing materials perform in a heavy-snow, freeze-thaw climate.
| Material | Typical service life | Cold-climate notes |
|---|---|---|
| 3-tab asphalt shingle | 15 to 20 years | Lowest cost. Thinner mat is more prone to wind damage at rakes and ridges. |
| Architectural asphalt shingle | 25 to 30 years | The practical default here. Heavier mat, better wind and impact ratings, wide color range. |
| Impact-resistant (Class 4) shingle | 30 years plus | Built for hail and debris. Worth considering on exposed lots with little tree cover. |
| Standing seam metal | 40 to 60 years | Sheds snow well and lasts longest. Highest cost, and snow retention matters over entries and walkways. |
Materials we install
- Malarkey Roofing Products
- LP SmartSide ExpertFinish trim and siding
- CertainTeed roofing and siding products
- VELUX skylights
Recent work
Roofing projects

Complete tear-off and replacement 
Steep-slope work on a hillside home 
Finished replacement on a two-story home 
House and detached garage, matched 
Decking replaced before new roofing 
Asphalt shingle installation
Where we work
Roofing across the Twin Ports
Each service area page covers all twelve services and what makes building there different.
What homeowners say
Work that earns the referral.
Reviews left by Covenant Builders customers on Google.
“Went with Covenant Builders as they were the least expensive of 3 estimates. They did the roof on my house and garage in one 12 hour day with high quality products. Their cleanup was also great. I literally found just one nail after they were done. Roof looks great and so far has been leak free.”
Matthew ZemlerRoof replacement · via Google “Jared was great to work with. Out of all the contractors that gave a bid on doing the roof of my house, he did the best inspection to help minimize surprise costs. He is professional, polite, and respectful. I had a great experience working with him!”
Abby DuggerRoof replacement · via Google “I had an excellent experience from start to finish with Jared and Covenant builders. The estimate process was easy to understand; I new exactly what I was getting and what I would be paying for it, no pressure at all. The work crew was efficient and took extra care not to damage my garden. I look forward to saving monry on my homeowners insurance with class 4 rated shingles.”
Karen St. GeorgeRoof replacement · via Google
FAQ
Roofing questions
How long does a roof replacement take?
Most residential roofs are completed in two to four days, depending on size, pitch and complexity. Steep hillside roofs in Duluth take longer because staging and safety setup take longer. Weather delays are built into the schedule and work resumes as soon as conditions allow.
Will my roof deck need repairs?
That is not known until the old roofing comes off. Any rotted or delaminated sheathing found during tear-off is replaced before new material goes down, because new shingles cannot be fastened reliably to compromised decking. Decking replacement is common on older homes and on roofs that have had a long-standing leak.
How is attic ventilation addressed during a roof replacement?
Ridge and soffit vents are installed or verified so intake and exhaust are balanced. This is the part of the job that most affects how long the new roof lasts, because a ventilated attic runs cooler and drier, which slows shingle aging and reduces ice dam formation at the eaves.
What happens to the old roofing material?
All torn-off shingles, underlayment and damaged flashing are removed from the property and disposed of properly. Tarps protect landscaping and entryways during tear-off, and the site gets a magnet sweep for nails before the crew leaves.
What are the signs it is time to replace rather than repair?
Curling or cupping shingles, bare patches where the granules have washed off, repeated leaks in more than one location, and daylight visible through the roof deck from inside the attic. A roof approaching the end of its rated life with any of these is usually cheaper to replace than to keep patching.
Other services
One contractor for the whole house.
Siding Installation
LP SmartSide and fiber cement siding that seals out drafts and resists freeze-thaw warping.
Learn moreGutter Installation
Seamless gutters sloped and mounted to carry snowmelt away from your foundation.
Learn moreWindow Installation
Insulated replacement windows that cut drafts and lower winter heating costs.
Learn moreDoor Installation
Insulated entry and patio doors installed square, sealed and weather-tight.
Learn moreInterior & Exterior Painting
Prep-first painting that holds its finish through Minnesota temperature swings.
Learn moreKitchen Remodeling
Full kitchen renovation with cabinetry, layout changes and finish carpentry.
Learn more
Ready to talk about roof replacement?
Call, or send a few details about the property and we will get back to you with next steps.
Mon-Sat 7:00 am to 7:00 pm · Closed Sunday



