Wall insulation in Queens

Wall insulation without demolition

Many older houses were built with empty wall cavities. We insulate them from outside or inside: one small hole per stud bay, dense-pack cellulose blown in under pressure until the cavity is full, then the hole is plugged and patched.

Queens has a lot of detached and semi-detached frame houses, such as colonials in Bayside and capes in Fresh Meadows, and many were built with little or no wall insulation.

Where it works

• Frame houses with siding: we drill from outside under a lifted course.
• Houses with plaster walls inside: we can drill from inside and patch.
• Brick row houses: solid brick walls usually have no cavity to fill, so we focus on the roof and air sealing instead.

How a job goes

1. We check the walls for wiring, blocking and old insulation, and pick the side to drill from.
2. We drill, fill each bay and check that it is full.
3. We plug and patch the holes and clean up.

Rebates

Queens is split between utilities. Much of the borough has National Grid gas, parts of northwest Queens have Con Edison gas, and the Rockaways have PSEG Long Island electric. Most one- to four-family homes now go through NYSERDA programs. For 2027, Con Edison and National Grid plan one joint weatherization program for market-rate homes and apartment buildings. We check what is open for your address before we price the job. See the NYC rebate guide.

Common questions

Will you damage my siding? On vinyl or wood siding we lift a course, drill and put it back. On brick we usually drill from inside.

How long does it take? Most Queens houses take one or two days.