John J. McAdam Construction | General Contractors & Roofing in Rocky Point, NY 11778
185 Prince Rd, Rocky Point, NY 11778
Business Background
John J. McAdam Construction is a trusted general contracting and roofing company serving Rocky Point, NY, and the surrounding North Shore communities. For years, we've helped local homeowners protect and enhance their most valuable asset—their home. We understand the specific challenges faced in our coastal climate, including common issues like roof nail pops and roof deck rot caused by seasonal weather. Our comprehensive services, from precise roof repairs and full replacements to custom home additions and remodeling, are all built on a foundation of structural integrity and quality craftsmanship. Whether you're addressing urgent storm damage or planning a dream renovation, our team provides clear communication, reliable timelines, and solutions designed for Long Island living.
Main Services
- Roof replacement
- Reroofing
- Balcony addition
- Skylight repair
- Skylight installation
- Guest house or ADU construction
- Deck construction
Question Answers
I'm seeing nail pops on my Rocky Point roof. Is this just cosmetic, or a sign of a bigger problem?
In our local climate, nail pops are often a sign of the roof decking expanding and contracting with temperature changes. While sometimes minor, they can compromise your roof's seal and lead to leaks or accelerated deck rot if left unaddressed. We recommend a professional inspection. For many Rocky Point homes, a targeted roof repair or, in cases of widespread issues, a roof replacement with proper ventilation can solve this and prevent costly structural damage down the line.
Can you add a new room or deck if my home has existing roof deck rot?
Absolutely, but addressing the rot is our first priority. Before any addition like a new room, balcony, or deck, we will conduct a thorough structural assessment. We repair or replace any compromised roof decking and underlying structure to ensure a solid, safe foundation for your new construction. This integrated approach—fixing the existing problem while building the new—is crucial for the longevity and safety of your entire home in Rocky Point.
What's the best roofing solution for preventing future deck rot on my Long Island home?
Prevention starts with proper materials, installation, and ventilation. We recommend high-quality, weather-resistant roofing materials suited for our shoreline environment and ensure meticulous installation to prevent water intrusion. Crucially, we design and install effective attic ventilation systems. This reduces heat and moisture buildup under the roof—the primary cause of deck rot. Whether through a reroofing project, new roof installation, or adding vents during a skylight installation, we focus on creating a dry, durable roof system.
Business Location & Hours
| Mon: | 9:00 AM - 5:00 PM |
| Tue: | 9:00 AM - 5:00 PM |
| Wed: | 9:00 AM - 5:00 PM |
| Thu: | 9:00 AM - 5:00 PM |
| Fri: | 9:00 AM - 5:00 PM |
| Sat: | 8:00 AM - 6:00 PM |
| Sun: | 9:00 AM - 5:00 PM |


















