Blown In Insulation
Does anyone know, ballpark, how much it costs to have insulation blown in to a 20′ wide brownstone’s roof space?
Does anyone know, ballpark, how much it costs to have insulation blown in to a 20′ wide brownstone’s roof space?
we rented the machine from home depot, which came free with the purchase of 30 bales of cellulose, and did it ourselves in an afternoon for under $500. We did it last january or february, and could feel the difference in the house the second we finished the job. this summer was our first summer in the house though, so i don’t know whether it had any noticeable effect on heat absorption.
Just curious, you guys see a noticeable difference in heat bills as a result? Does it also slow heat absorption in summer or is that just wishful thinking on my part??
And another recommendation for Brooklyn Insulation. Super fast, friendly, a good value.
There is simply no consensus on the need for roof vents, Dave. That is especially true with cellulose, which can absorb and release moisture much better than the fiberglass that Federal Conservation uses. I found Brooklyn Insulation to be about less than 2/3 the cost of Federal, who would have insisted on cutting holes in the roof and vents.
You need to add at least one roof vent when you do this. Federal Conservation did mine, $2psf plus $200 for the vent
Here’s yet another strong rec for Brooklyn Insulation & Soundproofing who did a wonderful job of insulating the externals walls and roof of the rear extension on our house with cellulose last year. The gain in heat retention in the ell been amazing and the cost, approximately $1k, was very reasonable.
Do you want cellulose or icynene….the foam injected in as a liquid and which expands to 60 times its volume??? There is an authorized installer in Park Slope!!
Thanks to all – very helpful 🙂
2.00 psf is correct and note that the insulation is blown in through the skylight on the inside of the house – so no holes in the ceiling!!
I used Brooklyn Insulation & Soundproofing as well – very good job – and well worth it!!
I looked into this about a year ago and the cost was approx 2.00 per square foot for upto 6 inches of cellulose.