Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and.
Insulate walls or attic first.
Walls or ceiling first.
Measure the depth of your current insulation.
Probably in more place than you think.
There are two ways to insulate around wires.
The largest pay back will be seen here.
Tear the sheet across the width instead of tearing it lengthwise.
While not an easy or fun project you can insulate your attic by yourself.
Measure the area needing insulation.
If you do have insulation find out the type and compare it to.
In addition if you re building a new home or remodeling make sure any attic decking that provides additional storage space or a platform for a heating and or cooling unit or hot water tank is raised above the ceiling joists to leave room for adequate insulation.
More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just.
An attic that has mechanical equipment in it that will be finished or will be used for storage needs to have spray foam at the roofline or rigid foam under the roofing.
Wall insulation always go for the attic.
You can achieve better thermal performance in your attic by adding an additional layer of insulation.
Calculate additional insulation needed.
And if there s any knob and tube wiring where insulation should go that needs to be replaced first.
Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.
As for attic vs.
The batts install the same way.
Once the batts are up there it is a tedious task of laying the batts between ceiling joists.
For low slope roofs or houses with roof truss construction it s standard to insulate the ceiling before.
The higher the r value the better the thermal performance of the insulation.
The worst part is getting the fiberglass batts up into the attic.
First you can tear or cut the insulation sheets in half and lay half behind the wire and half in front.
Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well.
How to install insulation.
Measure the length.
Determine if and where you already have insulation.
You would stop heat loss from natural convection and block solar gain an increase in heat in the.
If the wire is too tight to the wall to make that easy you have a second option.
Wires vents and non ic recessed lights complicate the task.