A.R.T Flooring & Construction

Dormer Construction in Center Moriches, NY


Dormer construction in Center Moriches, NY is a structural remodeling service that expands usable interior space while altering the roofline of an existing structure. A.R.T Flooring & Construction provides professional dormer construction services designed to integrate seamlessly with the existing home structure while improving ceiling height, natural light, and overall interior functionality.


Dormers are commonly added to create additional living space in upper levels, convert attic areas into functional rooms, or improve headroom in previously limited spaces. Because dormer construction involves modifications to roofing, framing, and exterior walls, it requires precise planning and structural coordination. Each dormer project is approached with attention to load distribution, weather protection, and long-term structural performance.

Contact Us

Dormer Design and Structural Planning


Dormer construction begins with a detailed evaluation of the existing structure to determine feasibility and design compatibility. Roof slope, framing layout, and load-bearing elements are assessed to ensure the dormer can be properly supported.

  • Structural Evaluation and Layout Planning

    Before construction begins, roof framing and interior supports are reviewed to identify how the dormer will integrate with the current structure. Layout planning focuses on creating usable interior space while maintaining proper roof drainage and exterior alignment.

  • Dormer Size and Roofline Integration

    Dormer dimensions and placement are carefully planned to align with the home’s roofline. Proper integration ensures the dormer functions as part of the original structure rather than an isolated addition.

Contact Us

Dormer Framing and Roof Modification


Framing is the foundation of any dormer construction project. Accurate framing ensures the dormer remains stable and properly aligned with the rest of the home.

  • Roof Opening and Structural Framing

    Dormer construction requires cutting into the existing roof to create the new opening. Framing is installed to support both the dormer structure and the surrounding roof, ensuring load transfer is handled correctly.

  • Load Distribution and Reinforcement

    Additional framing and reinforcements are added as needed to support the new structure. These adjustments help prevent sagging, shifting, or structural stress over time.

Contact Us

Exterior Dormer Construction and Weather Protection


Once framing is complete, exterior construction focuses on protecting the structure from weather exposure while maintaining consistency with the existing exterior.

  • Roofing and Exterior Surface Installation

    Roofing materials are installed to match or complement the existing roof. Proper flashing and sealing techniques are used to prevent water intrusion at all connection points.

  • Siding and Exterior Finishing

    Dormer siding is installed to align visually and structurally with the rest of the home’s exterior. Attention is given to transitions, corners, and seams to maintain a clean, cohesive appearance.

Contact Us

Interior Space Expansion and Finishing


Dormers are often constructed to increase usable interior space. Interior work ensures the new area is functional, properly supported, and visually integrated with the rest of the home.

  • Interior Framing and Ceiling Adjustments

    Interior framing is completed to define the new living space created by the dormer. Ceiling height adjustments and wall alignment are carefully executed to maximize usable square footage.

  • Subfloor and Wall Preparation

    Subfloors and walls within the dormer area are prepared to support flooring, finishes, and fixtures. Proper preparation ensures long-term durability and smooth transitions between existing and new spaces.

Contact Us

Windows, Insulation, and Moisture Control


Dormers commonly include windows to improve ventilation and natural light. Proper installation is essential for performance and weather resistance.

  • Dormer Window Installation

    Windows are installed with secure framing and weatherproof sealing. Placement is coordinated to balance interior light distribution with exterior symmetry.

  • Insulation and Moisture Protection

    Insulation and vapor barriers are installed to control temperature and moisture levels. These systems help protect the dormer and surrounding structure from condensation and heat loss.

Contact Us

Final Integration and Project Completion


The final phase of dormer construction focuses on integrating the new structure with the existing home and ensuring all components function as intended.

  • Structural Alignment and Finishing Touches

    All framing, roofing, and interior surfaces are reviewed for alignment and stability. Final adjustments are made to ensure smooth transitions between the dormer and the original structure.

  • Final Inspection and Readiness for Use

    Once construction is complete, the dormer is inspected to confirm structural integrity, weather protection, and interior readiness. The newly expanded space is prepared for immediate use as part of the home.

Contact Us