We provide high-performance roof ventilation services designed to regulate attic airflow, prevent moisture buildup, and protect your entire roofing system from Minnesota’s extreme seasonal conditions.
#1 Trusted Roofing
#1 Trusted Contractor
#1 Trusted Contractor
#1 Roofing Company
We focus on the specific airflow requirements of Minnesota homes to ensure your attic stays dry and your energy bills remain low.
We install coordinated systems that pull cool air through the soffits and push hot air out the ridge. This balance is critical for preventing moisture buildup and wood rot in the Minnesota climate and improving ventilation performance.
A specialized roof ventilation service choice for homes with limited natural airflow. These fans use solar energy to actively pull heat from your attic, reducing your summer cooling costs and humidity levels significantly.
High-capacity solutions for industrial and agricultural buildings in Fillmore County. We design systems that handle massive air volumes, protecting your inventory and building structure from the damaging effects of humidity and heat.
We measure your attic temperature and calculate the specific intake and exhaust requirements for your square footage. This ensures the roof ventilation service is sized correctly for the unique footprint of your building.
Our team maps out the placement of ridge vents and soffit intake panels. We ensure there are no obstructions, such as insulation blocking the baffles, to allow the free movement of air year-round.
Our crew installs with total accuracy, ensuring every vent is weatherproof and properly flashed. We conduct a final test to verify that the air is moving correctly from the intake to the exhaust.
Many property owners ignore roof ventilation until they see massive ice dams or mold growth in the attic. Poor airflow causes shingles to overheat and buckle from the bottom. This structural failure leads to expensive roof replacements that could have been easily prevented with a simple, well-designed ventilation system from a professional roof ventilation company.
Minnesota Building Contractors provides engineered roof ventilation installation that stabilizes your home’s internal temperature. By creating a continuous flow of air, we stop moisture from rotting your wood decking and prevent heat from baking your shingles during the summer. Our systems are the most reliable defense against the high humidity and rapid temperature swings common in the Lanesboro region.
We are the leading roof ventilation company in Fillmore County because we focus on the science of airflow and structural longevity. Our goal is to provide a balanced system that protects your home through every harsh Minnesota season while lowering your monthly utility costs.







A well-designed roof ventilation system regulates attic temperature, prevents moisture buildup, and improves overall structural performance. It helps your roofing system handle Lanesboro’s seasonal extremes while maintaining indoor comfort and efficiency.
Posted on Steve McGinleyTrustindex verifies that the original source of the review is Google. Our 30-year-old sliding patio door was sticking in its track and not latching shut. Bill removed the door, cleaned years of dust and grime from the track and channel, thoroughly cleaned and lubricated the tracking wheels and wheel housing, and then carefully adjusted the wheels to get the door perfectly snug and smooth-rolling. We’ll go with Minnesota Building Contractors Contractors if we ever need new windows, siding, or roofing, because Bill is everything you want in a contractor: skillful and thorough. We are really happy.Posted on Lisa BeckerTrustindex verifies that the original source of the review is Google. We appreciate the prompt response to our call to repair an outside sliding door. Bill worked until 6:45 pm to make sure it was done well for us.Posted on Kelly BrownTrustindex verifies that the original source of the review is Google. A tree fell on our mother-in-law’s home and punctured several holes in the roof and siding. Minnesota Building Contractors Contractors came out and repaired the asphalt shingles and siding and replaced the acoustic tile ceiling in the living room. This is the second time working with MBC. They are always there to help.Posted on Lindsey ProdoehlTrustindex verifies that the original source of the review is Google. While the project took a bit longer than anticipated, I was very pleased with the work that was done, especially by the building crew. They were professional with a very hard work ethic, and respect for community/neighborhood property. The company representatives and contractor were easily responsive about any issues or questions I had.Posted on Rachel KuhnleTrustindex verifies that the original source of the review is Google. Very pleased with the work Bill and his crew did replacing the original picture windows in our 1900s house. He was able to retain the beautiful stained glass and was very responsive and communicative. Would recommend!Posted on Lauren RasmussenTrustindex verifies that the original source of the review is Google. Very professional, good work!!!Posted on Bryan VillaTrustindex verifies that the original source of the review is Google. Couldn't ask for a better outcome. After another roofing came out to inspect and to repair my roof they never followed up with the repair or next steps. waited a month and still no response. So I called minnesota biulding contractors and Josh was able to help me right off the bat! Josh made the procces 100% easier. Took a week to get some results that we needed and repaired our roof on a timely manner. the other roofing company still hasnt even gotten back too me on anything.. I will be going back to minnesota biulding contractors if I need anything for my home in the future! Thank you JoshPosted on David FrameTrustindex verifies that the original source of the review is Google. I was very happy with the roof installation that Bill's group did on our garage. The crew was hard working, (even on very hot days) good to work with and did a very good job. They spent a lot of time cleaning up and the site and the building looked good after they were done. Bill was very good to work with!
Read our expert answers regarding the technical requirements and long-term benefits of installing a professional roof ventilation system in your local home.
When heat is trapped in your attic, it warms the roof deck and melts the snow above. The water runs down and freezes at the cold eaves, creating a dam. Proper roof ventilation installation keeps the deck cold, which stops this melt-freeze cycle from damaging your home.
Yes. We specialize in residential roof ventilation updates for older Lanesboro properties. We can add soffit vents or install ridge systems to bring your home up to modern building codes for better moisture control and a longer shingle lifespan.
Solar fans are excellent for homes with complex roof lines where natural airflow is restricted. While ridge vents are the standard, a solar-powered fan actively pulls air out, making it highly effective for cooling large attic spaces during the hottest Minnesota summers.
Absolutely. By removing trapped heat from your attic, your air conditioner does not have to work as hard to cool your living spaces. This leads to lower monthly utility costs and less wear and tear on your HVAC equipment all year long.
A poorly ventilated attic is a constant threat to your roof's lifespan and your home's structural safety. Don't wait for mold or ice dams to cause permanent damage to your ceilings and walls. Minnesota Building Contractors provides the most reliable roof ventilation installation in Lanesboro. Call us today for a technical airflow audit and protect your property with a system that actually works. Our team is ready to provide the professional service you need for total peace of mind.

Minnesota Building Contractors is Lanesboro’s trusted choice for roofing and exterior solutions. From roof installations to siding, we deliver durable, weather-resistant systems built to withstand harsh winters, heavy snow, and seasonal storms, keeping your property protected year-round.