Decks & Additions
Custom Decks & Exterior Additions in Montgomery & Chester County, PA
Expanding your living space outdoors or adding functional square footage to your home requires thoughtful design, structural expertise, and proper code compliance. Whether you're building a custom deck, adding a covered patio roof, or constructing a structural addition, the work must integrate seamlessly with your existing home.
For over 50 years, Major Construction has provided custom deck construction and exterior addition services throughout Montgomery County, Chester County, and surrounding Southeastern Pennsylvania communities.
We focus on structural integrity, long-term durability, and architectural cohesion with your existing home.
Custom Deck Construction
A well-built deck extends your living space and enhances property value. We design and construct custom decks tailored to your home’s layout, elevation, and usage goals.
We build:
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Pressure-treated wood decks
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Composite decking systems
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Multi-level decks
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Wrap-around decks
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Elevated and ground-level decks
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Custom railing systems
All decks are constructed with proper footings, structural framing, ledger attachment methods, and drainage considerations to ensure safety and longevity.
Roof Structures Over Decks & Patios
Adding a roof over your deck or patio creates usable outdoor space in all seasons while protecting surfaces and furniture from weather exposure.
We construct:
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Gable-style roof structures
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Shed-style patio roofs
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Covered deck systems
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Integrated roofing extensions
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Structural tie-ins to existing rooflines
Every roof structure is engineered to properly integrate with your home’s existing roofing system, flashing details, and load requirements.
Porticos & Entryway Enhancements
A custom-built portico enhances curb appeal while providing practical protection over entry doors.
Our portico services include:
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Structural framing
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Roofing system integration
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Column and trim detailing
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Proper flashing and drainage
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Architectural alignment with your home
Porticos improve both function and visual character while protecting entryways from weather exposure.
Home Additions
When you need additional square footage, proper planning and structural expertise are essential.
We construct:
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Room additions
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Rear home extensions
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Expanded living spaces
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Structural exterior expansions
All additions are built to meet Pennsylvania building codes and are carefully integrated with your home’s existing foundation, framing, roofing, and exterior finishes.
Exterior construction projects require more than cosmetic design. Every project must account for:
• Load-bearing requirements
• Foundation stability
• Proper water management
• Flashing and weatherproofing
• Roofing integration
• Code compliance
Major Construction approaches every deck and addition project with a structural-first mindset to ensure long-term performance.
Our Process
We guide clients through a structured, step-by-step process to ensure every deck or addition project is completed safely, efficiently, and to the highest standards of quality.
INITIAL CONSULTATION
We meet on-site to assess your property, understand your goals, review layout possibilities, and evaluate structural considerations.
STRUCTURAL PLANNING
Our team develops a plan that accounts for load requirements, existing rooflines, drainage, and seamless architectural integration.
MATERIAL SELECTION
We help you select decking materials, roofing finishes, railing systems, and exterior details that align with both performance expectations and design preferences.
PERMIT COORDINATION (when required)
We assist with permit requirements and ensure plans meet local Pennsylvania building codes and inspection standards.
PROFESSIONAL CONSTRUCTION
Our experienced crews execute the build with precision, focusing on structural integrity, proper flashing, and long-term durability.
FINAL WALKTHROUGH & INSPECTION
Upon completion, we review the project with you to ensure everything meets expectations and passes all required inspections.
Our structured project management ensures timelines, quality standards, and communication remain consistent from start to finish.
Why Choose Major Construction?
50+ Years of Local Experience
As a family-owned company serving Pennsylvania for more than five decades, we’ve built long-term relationships through quality workmanship, honesty, and reliability.
GAF & CertainTeed Certified Roofing Contractor
We build exterior structures that are engineered for long-term durability and constructed to meet all local regulations and inspection requirements.
Strong Workmanship Warranties
Our projects are backed by dependable warranties, giving you confidence in your investment.
Financing Options Available
We offer flexible financing solutions to make your roofing project manageable without compromising on quality.
Dedicated Project Management
Every roofing project is overseen by experienced professionals who manage scheduling, quality control, and communication from start to finish.
Fill out our contact form or call us to schedule a free consultation for your roofing, siding, windows, or decking projects. Service Areas: Montgomery, Chester, and surrounding counties.
28 Eagleville Road, Eagleville, PA 19403
