Insulate Walls Or Attic First

Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well.

Insulate walls or attic first.

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. If you do have insulation find out the type and compare it to. Determine if and where you already have insulation. How to install insulation.

For low slope roofs or houses with roof truss construction it s standard to insulate the ceiling before. Probably in more place than you think. Once the batts are up there it is a tedious task of laying the batts between ceiling joists. Measure the length.

R 38 is the industry standard and. If the wire is too tight to the wall to make that easy you have a second option. First you can tear or cut the insulation sheets in half and lay half behind the wire and half in front. Wires vents and non ic recessed lights complicate the task.

Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. Walls typically have lower r value requirements but check local codes to be sure. You can achieve better thermal performance in your attic by adding an additional layer of insulation. As for attic vs.

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. The higher the r value the better the thermal performance of the insulation. While not an easy or fun project you can insulate your attic by yourself. Walls or ceiling first.

Tear the sheet across the width instead of tearing it lengthwise. The worst part is getting the fiberglass batts up into the attic. The largest pay back will be seen here. Wall insulation always go for the attic.

Measure the area needing insulation. Calculate additional insulation needed. And if there s any knob and tube wiring where insulation should go that needs to be replaced first. There are two ways to insulate around wires.

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. You would stop heat loss from natural convection and block solar gain an increase in heat in the. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and.