Damp, damaged insulation
Humid summers and storms can leave attic and crawl space insulation damp or compressed. We remove it before new foam goes in.
Retrofit · Bryan County, GA
NJ Spray Foam LLC retrofits finished homes across Bryan County, GA with spray foam. Coastal humidity is hard on old insulation, so retrofits here often start with removing what is damp or damaged.
Retrofit Spray Foam in Bryan County
Humid summers and storms can leave attic and crawl space insulation damp or compressed. We remove it before new foam goes in.
Pembroke's median home dates from 1986 (Census). Those homes usually need air sealing and much more attic insulation than they have.
Bryan County is at the edge of our radius from Hull, so retrofits are planned to finish in as few trips as possible.
Spray foam upgrades for homes and buildings that are already finished: we remove what is not working, seal the leaks and add foam where it can be reached without tearing the house apart.
Insulation in new homes and additions is inspected under Georgia's state energy code by the city or Bryan County, depending on the address. We confirm the office before quoting.
| Location / item | Limit |
|---|---|
| IECC climate zone | 2A (hot, humid) |
| Attic floor (ceiling) insulation | R-38, or R-30 at full depth over the top plates |
| Spray foam at the roof deck (unvented attic) | R-20 minimum on the trade-off path |
| Wood-frame exterior walls | R-13 |
| Unvented crawl space walls | No prescriptive R-value in zone 2 |
| Air leakage test on new homes | Under 5 ACH50, by a certified verifier |
| Add blown-in insulation | Retrofit with spray foam | |
|---|---|---|
| Air sealing | Little; air still moves through | Seals the surface it covers |
| Ducts in the attic | Stay on the hot side | Can be brought inside the envelope |
| Disruption | Low | Low to moderate; some removal may be needed |
| Best for | Attics that only need more depth | Hot rooms, drafts, ducts in the attic |
We find where heat and air get in: attic, knee walls, rim joists, crawl space or garage ceilings.
We list what stays, what is removed and where foam goes, with the expected R-value for each area.
Old insulation is bagged and removed when needed; we protect living areas and HVAC returns.
Spray foam is applied to reachable surfaces and gaps are sealed.
Debris and overspray are removed and we walk the work with you.
Yes, in most homes. Attics, rim joists, crawl spaces and garage ceilings are reachable without touching finished walls.
Yes. Insulation removal is one of our services, and wet insulation should come out before new work.
Usually, because sealing the attic and crawl space cuts humidity as well as heat.
NJ Spray Foam LLC installs retrofit spray foam across Bryan County and nearby areas. Send your address and photos to get started.