Spray Foam Insulation in Annadale, NY

Spray foam insulation in Annadale usually involves houses built in the last few decades of the 20th century. Wikipedia notes that much of Annadale's woodland was cleared from the 1970s through the 1990s to make room for new homes, while the 222-acre Blue Heron Park Preserve, with ponds, swamps and streams draining to Raritan Bay, was kept at the heart of the neighborhood.

Newer is not the same as tight

Houses from those decades were built to looser energy rules than today's. The 2025 NYC Energy Conservation Code lists R-49 for ceilings and caps air leakage at 3.0 air changes per hour at 50 pascals for new work. Many 1980s and 1990s houses have attics well short of R-49 and leak at top plates, recessed lights and attic hatches. Rooms over attached garages and bonus rooms with kneewalls are common trouble spots.

Ponds and damp ground

With ponds, wetlands and streams in and around Blue Heron Park, some lots have high ground moisture. Basements and crawl spaces on those lots can stay damp. We check for moisture before insulating below grade and use closed-cell foam on rim joists and walls where damp is a concern.

Large houses by the water

Wikipedia notes that the former Spanish Camp bungalow colony on the Annadale shoreline was bought and its buildings demolished late in the 20th century so that large, upscale homes could be built. Large houses with complex roofs and vaulted ceilings are good candidates for closed-cell foam under the roof deck.

Mostly owner-occupied

Wikipedia's census summary for the Annadale-Huguenot-Prince's Bay-Woodrow tabulation area shows 26.3% of occupied units are rented, and population grew 6.2% between 2010 and 2020.

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