Serving McHenry County, Lake County, Kane County, Cook County, and DuPage County

Custom Deck Designs

A Beautiful Deck, Starts With Us


National Association of REALTORS® and National Association of Landscape Professionals (NALP) in a 2018 remodeling impact study States a new wood deck recovers 80% of it’s value when installed and 74% of homeowners have an increase sense of enjoyment at home.


New composite decking maintains its vibrant color and luxurious finish whether it be scorching sun or red-wine spill. Thanks to its unyielding, shell protection and up to 30 Years in Limited Residential Fade & Stain Warranty. This decking is not your grandfathers decking material.


Composite decking materials decking is artfully engineered to look like real wood. It has the widest selection of colors and textures available, and the boards simply last longer and stay cooler than real wood. The never peeling color means it stays beautiful for years to come.

Deck Design, Construction & Repair Services



We’ll design a deck that enhance the beauty and functionality of your home. We’ll work with you to find the your perfect style, material, and budget. 


Our professional and courteous construction crew will address every detail to insure a perfect deck that exceeds your expectations.


We can repair your existing deck to its original luster, or extend it to to give you that extra needed space. We’ll show you all your options.


Once your deck is finished, you can schedule our semi-annual inspections to insure that your deck last for many years to come.

No Project To Big Or Small

Bring out the very best in your property!

Gem Exteriors, Inc. is celebrating over 40 years serving the north and northwest suburbs and the Chicago Land area.

Free Quotes • Competitive Prices • Local Expertise • Reliable Construction


Gem Exteriors services McHenry, Elk Grove Village, Round Lake, Fox Lake, Chicago, Mundelein, Libertyville, Vernon Hills, Gurnee, Lake Zuric, Long Grove, Palitine, Arlington Heights, Mt Prostpect, and the rest of Northern Illinois.