Insulate Walls Or Attic First
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.
Insulate walls or attic first. Wires vents and non ic recessed lights complicate the task. First you can tear or cut the insulation sheets in half and lay half behind the wire and half in front. As for attic vs. If you do have insulation find out the type and compare it to.
Measure the area needing insulation. Walls typically have lower r value requirements but check local codes to be sure. 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.
R 38 is the industry standard and. Tear the sheet across the width instead of tearing it lengthwise. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and. Wall insulation always go for the attic.
And if there s any knob and tube wiring where insulation should go that needs to be replaced first. 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. Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well. Calculate additional insulation needed.
The batts install the same way. The worst part is getting the fiberglass batts up into the attic. Probably in more place than you think. 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.
Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. You can achieve better thermal performance in your attic by adding an additional layer of insulation. While not an easy or fun project you can insulate your attic by yourself. If the wire is too tight to the wall to make that easy you have a second option.
The higher the r value the better the thermal performance of the insulation. Measure the length. How to install insulation. There are two ways to insulate around wires.
In addition to walls and attics insulation should be installed in ceilings with unheated spaces basement walls floors above vented crawl spaces cathedral ceilings floors over unheated garages or porches knee walls and in between interior walls especially bathrooms as well as ceilings and floors. Determine if and where you already have insulation. Measure the depth of your current insulation.