Business Details
47 Years
experience
Emergency
services
Trusted Roofing & Exterior Home Improvement Services in Milwaukee
Founded in 1979, JK Contractors has built a reputation as a trusted leader in exterior home improvements. Our family-owned business combines 40+ years of hands-on experience with a commitment to quality craftsmanship and customer satisfaction. We specialize in roofing, siding, windows, gutters, and insulation, using premium materials from industry leaders like Owens Corning, James Hardie, and LP Smartside. Our team of certified professionals prioritizes clear communication, meticulous attention to detail, and property protection throughout every project.Backed by manufacturer warranties and a 10-year workmanship guarantee, we serve Milwaukee and surrounding communities with personalized solutions tailored to each homeowner's unique needs. From emergency repairs to full-scale renovations, our goal is to transform houses into durable, beautiful homes that reflect our clients' dreams.
Services
Roofing
Siding
Gutters
Windows
Insulation
Doors
Decks
Shutters
Details
- Year established: 1979
Highlights and features
- We have 40+ years of experience in exterior home improvements
- Our team includes certified professionals trained by major manufacturers
- We maintain an A+ rating with the Better Business Bureau
- Family-owned business with hands-on leadership from start to finish
- We guarantee property protection during installations with specialized equipment
Associations and certifications
- Better Business Bureau (BBB)
What people say
Fantastic service
Professional team
Exceeded expectations
Attention to detail
Thorough cleanup
Services
Roofing
We provide comprehensive residential and commercial roofing solutions using premium Owens Corning shingles and advanced ventilation systems. Our certified team handles installations, replacements, and emergency repairs while protecting your property with specialized equipment. Backed by manufacturer warranties and a 10-year workmanship guarantee, our focus on proper attic ventilation prevents mold growth and extends roof lifespan.
Siding
Our siding experts install James Hardie fiber cement, LP Smartside engineered wood, and Mastic vinyl products with certified techniques. We offer shake, board and batten, and custom trim options while emphasizing proper sealing to prevent water damage. The team provides detailed consultations to help homeowners choose materials that balance aesthetics, durability, and budget requirements.
Gutters
We install 5/6 K-style and half-round seamless aluminum gutters with gutter guards and custom flashing solutions. Our systems prevent water damage through proper slope calculation and downspout placement. The team uses durable 0.32-gauge aluminum and copper materials while ensuring compatibility with existing roof structures during replacements.
Windows
We install energy-efficient windows from trusted brands like Velux and Sun Tunnel, including glass block options and skylights. Our team ensures proper sealing and integration with existing home systems while maintaining interior aesthetics. The installation process includes reinstallation of window accessories and thorough cleanup to minimize homeowner disruption.
Insulation
Our insulation services include attic and wall installations using fiberglass, cellulose, and spray foam materials. We recommend the AttiCat Expanding Blown-In system for R-44 value in attics while addressing ice damming through proper ventilation chutes. The team evaluates existing insulation levels to create customized solutions that improve thermal comfort and reduce energy costs.
People
Jeff Kurz
President and Owner
Jeff Kurz founded JK Contractors in 1979 after starting his career in interior trades. He transitioned to exterior improvements through builder collaborations and has led the company's growth through referrals and customer trust. Jeff remains actively involved in operations, passing his work ethic to his sons who now manage field operations alongside experienced crews.
Mitchell Kurz
Field Supervisor
Mitchell Kurz works directly with installation crews to ensure quality control across projects. He collaborates with homeowners during consultations and oversees complex installations like complete home exterior transformations. His hands-on approach reflects the company's commitment to maintaining high standards while delivering personalized service throughout the Milwaukee area.
Questions
What areas do you serve?
We primarily serve Milwaukee and surrounding communities for all exterior home improvement projects.
Are you licensed and insured?
Yes, we carry Workman's Compensation and Liability Insurance with full manufacturer warranty backing for all installations.
How long does a typical roofing project take?
Most residential roof replacements complete within one day, including thorough cleanup and final inspections.
What siding material options do you offer?
We install James Hardie fiber cement, LP Smartside engineered wood, and Mastic vinyl products with various style options.
Do you handle emergency repairs?
Yes, we provide prompt emergency repair services for storm damage and urgent exterior issues year-round.
What warranties do you provide?
We offer a 10-year workmanship warranty plus manufacturer warranties ranging from 30 years to lifetime coverage.
