Insulate Walls Or Attic First

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.

Insulate walls or attic first.

Measure the length. 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. If the wire is too tight to the wall to make that easy you have a second option. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and.

Walls typically have lower r value requirements but check local codes to be sure. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well. 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. You would stop heat loss from natural convection and block solar gain an increase in heat in the. Measure the depth of your current insulation. And if there s any knob and tube wiring where insulation should go that needs to be replaced first.

For low slope roofs or houses with roof truss construction it s standard to insulate the ceiling before. Once the batts are up there it is a tedious task of laying the batts between ceiling joists. The higher the r value the better the thermal performance of the insulation. Wall insulation always go for the attic.

Walls or ceiling first. Tear the sheet across the width instead of tearing it lengthwise. 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. You can achieve better thermal performance in your attic by adding an additional layer of insulation.

As for attic vs. Determine if and where you already have insulation. Calculate additional insulation needed. Probably in more place than you think.

The largest pay back will be seen here. While not an easy or fun project you can insulate your attic by yourself. How to install insulation. The batts install the same way.

R 38 is the industry standard and. 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. There are two ways to insulate around wires.