It s a diy project you can tackle in a weekend and the savings you ll get add up every year says toh general contractor tom silva.
Insulating a house without an attic.
Recycled newsprint makes up cellulose.
Install siding over the insulation.
Attach 1 inch foam board insulation.
One way to insulate walls of an old house is to focus on the home s exterior.
The r value is greater than fiberglass and it is fire retardant.
But if you ve got an unfinished attic giving it proper insulation is one of the simplest ways to keep a lid on your heating bill this season.
In most parts of the united states insulating the exterior edge of a slab can reduce heating bills by 10 to 20.
It s a standalone unit that s about two feet tall and 18 inches wide and has wheels for mobility.
There is also a product available called thermadeck made in the metroplex which used in conjunction with construction like this provides an airspace and insulation.
Adding some insulation to it would also be helpful.
A portable air conditioner is the easiest solution for cooling your attic.
But this will require either cross battening and a metal roof on battens or else a new layer of decking.
Lay a two by four on top temporarily compressing the insulation to a manageable thickness.
Finally run a standard utility knife along the edge of the lumber through the insulation and down to.
For a greener insulation project cellulose blown in insulation is available.
Caulk window trim and use weatherstripping to reduce air leaks.
Depending on your climate you ll need r 30 to r 49 to meet code which is 5 to 8 1 2 inches of polyiso rigid foam which is r 6 per inch.
Insulating a slab in an existing home can be expensive and disruptive but if the slab in your home is cold it is possible to dig around the perimeter of the house and install insulation usually foam board.
Replace old windows with energy efficient units.
Apply a house wrap vapor barrier to exterior walls.
If you think you need more insulation consult a reputable expert.
Mini split ductless air conditioner.
Over insulating an attic or crawl space won t save you enough money on power bills to make the expense worthwhile.