Welcome to Welcome to JJA Home Improvement Roofing Windows Siding

Southern Maryland, St Marys County, Charles County & Calvert County Home Improvements

Windows • Doors • Door Transformations • Siding • Roofing Gutters • Decks • Additions • Garage Doors • Garage Door Openers


Replacement Window & Roofing Sale
Mention this site by 6/30/2017 and get Discount OFF New Replacement Windows & Roofing
Also Now offering Blown In Insulation. Call or Email us for an Estimate.



roofing contractor so md J and J Aluminum Company, Inc. is a third generation, licensed, bonded and insured home improvement contractor.  Located in St Marys County Maryland, we have provided Southern Maryland, Charles County and Calvert County and King George County in Virginia with new vinyl window replacements, vinyl siding, asphalt shingle roofing replacement, gutter replacement, new entry doors, storm door replacement, patio doors, maintenance free decks, home additions, garage doors, garage door openers and more for over 3 decades.

About Us

We have provided Southern Maryland with some of the highest quality home remodeling improvement services since 1982.  Customer satisfaction is our main goal so we try to exceed their expectations.  We are not happy with our work until you are.  Our owners are hands-on with the upmost attention to detail. As always we provide all of our potential customers with FREE estimates

We respect all home remodeling budgets and can offer quality home improvements at an affordable price. Whether it's new vinyl window replacement, vinyl siding, asphalt shingle roofing replacement, gutter replacement, new entry doors, storm door replacement, patio doors, maintenance free decks, home additions, garage door openers contact us today to setup a FREE design consultation.

Why Choose Us?

Whether you just bought your home or want to remodel an older home, we can add any project or addition you would like.

Southern Maryland Home Improvement Projects

Southern MD New Windows
New Replacement Windows in Southern MD
Southern MD Entry doors
New Entry Door Transformations


To schedule a FREE in home estimate, click here.

we sell energy star National Fenestration Rating Council
CWR0417