Your roof is more than the shingles!
roof-system-solutionWhen you contract us to do your roof you will receive a 'Complete Roofing System'.
Your roof system starts not with the shingles, it starts under the roof structure.  Two of the most important components to any roofing project are the ventilation requirements and the quantity and quality of insulation.  If these two components are not properly installed and to the minimum code requirements your entire roof could be out of warranty and potentially cause premature failure to the entire structure.
We will provide an accurate and honest assessment of your homes requirements and individual need evaluation to ensure that your roof structure is well protected for many years to come.  After the initial attic inspection we will attempt to assess the roof structure, including all visible framing members and wood decking for any defects, water, mold or mildew damage.  At this point we will move to the exterior to identify what products and services would best fit your particular needs. 
On all of our 'Complete Roof Systems' we will include the following components:
  • Leak Barrier - Grace Ice & Water or GAF-ELK Weather Watch.  These initial components provide exceptional protection against leaks caused by roof settling and extreme weather.  We apply the Leak Barrier to all eaves to achieve code compliance, in all valleys, up on to side walls, around dormers, chimneys and skylight penetrations.
  • Roof Deck Protection - Traditional 15# or 30# felt, GAF-ELK Deck Armor or FelTex Synthetic underlayment.  This is the product covers the majority of your roof surface and therefore is an integral aspect of your system, however it is the most over looked in its function and purpose.
  • Starter Strip Shingles - Pre-cut or rolled products available.  This the initial 'shingle' that in applied to ALL your roofs edges including, eaves, gables and dormers.  By providing an additional adhesive strip to help lock down your shingles, it is the first measure of protection against blow offs.
  • Roof Shingles - GAF-ELK, Owens Corning, CertainTeed, IKO and Decra.  Depending on your specific look desired and warranty requirements we have the right product line and type to meet all your needs from high definition architectural shingles, metal or stone coated steel panels.
  • Ventilation Exhaust Components - Air Vent, Master Flow or Cobra.  We will at this point install the appropriate components required to achieve your roofs proper ventilation to help remove excess heat and moisture from attic that can raise your energy bills, cause premature peeling of paint, wallpaper, roof deck sags or mold/mildew.
  • Ridge Cap Shingles - Timbertex or Seal-a-Ridge.  The final component to your roof system is the cap shingle.  This product 'finishes' off the entire system by enhancing the overall design and appearance, adds additional protection against blow offs and the prevention of water entering at the highest elevation of your roof.

Company History

Excel Custom Contractors was founded by Robert McDonald when he saw a need to provide higher quality service and products in Southeastern Wisconsin and Northern Illinois.

The desire was to meet the challenging needs and high level of customer demands with Integrity and superior service. It was with idea of providing ‘custom’ized customer service, to meet the unique individual tastes and product performance goals of his customers. Excel Custom Contractors, LLC. prides itself in doing the best job the right way the first time, this ensures our customers will get what they expect from both their product choices and quality construction installations.

Our Partners

Milwaukee Builders Supply

ABC Supply Co.


Bliffert Lumber

Worzella Lumber

Stock Lumber


Hilti, Inc.
Bluebill Electric, LLC.

Hertz Equipment Rental



First Supply

Unlimited Window

McDermott Top Shop

Sherwin Williams

Hallman Lindsay
Brew City Plumbing & Heating

Our Standards

High Level of communication

All Employees are background checked

Complete Safety program in place

Quality Team Approach to Service