What kind of insulation is best for basement walls?

Rigid foam sheets are best for DIYers who are insulating basements prior to framing the walls. Rigid foam also works well when the concrete or block walls are smooth and flat. Rigid foam insulation is easy to use. In addition to scoring, it can be cut by an ordinary wood saw.

How do you frame against concrete?





Quote from the video:
Quote from Youtube video: So when the pieces go together it'll be nice and tight. This is a foam board adhesive. It's going to stick the foam right to the foundation. It's specifically formulated for this application.

How do you cover basement concrete walls?

The most common way to cover concrete walls in a basement is drywall. This involves sealing the concrete, installing a wood frame, insulating and then installing and finishing the drywall.

Should you put a vapor barrier on basement walls?

Steve Bliss, of BuildingAdvisor.com, writes: The short answer is: Don’t use a vapor barrier in a finished basement. This is asking for trouble, especially with a full bathroom, which generates a lot of humid air. Rigid foam board on the interior, like you have, is the ideal insulation.

How do you insulate a concrete basement wall?

Quote from the video:
Quote from Youtube video: So you don't need a lot of insulation on basement walls in fact. You can do the job well with just a two inch layer of polystyrene stuck right to the surface of the concrete.

Is R 13 insulation Good for basements?





TBF closed cell foam insulation and concrete board basement wall products offer industry-leading R-13 insulation value that will reflect back 99.987% of heat back and lead to the optimal insulating of a basement area.

How far should studs be from basement wall?

Be sure to maintain the 16-inch on-center stud spacing, and check the wall frame to make sure it’s plumb before nailing it to the beam.

What should I put between drywall and concrete?

The solution is covering concrete with a vapor barrier, which acts like a resistant cell membrane instead. With a shield in place, the drywall is safe. Typically, a stud wall is then installed against the concrete, but furring strips are quick, easy and take up less space.

How do you frame a concrete basement?

Quote from the video:
Quote from Youtube video: And a couple of impact nails and what this does is this drives down it's a three inch nail goes through the one-and-a-half inch plate into the concrete. And even if it isn't completely buried.

Should I put plastic behind drywall in a basement?



Basement wall systems should never include any polyethylene. You don’t want poly between the concrete and the insulation; nor do you want poly between gypsum drywall and the insulation. You don’t want poly anywhere.

How do you insulate a cinder block basement wall?

If you’re still in the process of building your basement walls, add foam inserts to the cavities in each cinder block to raise the thermal resistance by about R-2. Before re-siding your exterior walls, add a layer of foam insulation on the exterior walls of your basement for extra thermal resistance.

Which product is best to create a moisture barrier in concrete or masonry basement walls?

The best moisture barrier, however, is rigid foam which is sealed with spray foam around the bottom and corner gaps of the walls. Other options include 6mm poly sheets and exterior wraps like Tyvek.

How do you attach a moisture barrier to a concrete wall?



Stick the vapor barrier material to the foundation seal tape and then use mechanical fasteners to hold it forever. Drill holes through the plastic and through the seal tape into the block. If you drill through the seal tape you will prevent the plastic from peeling off when you remove the drill.

How do you moisture barriers to a basement wall?

Polyurethane sheeting is a typical vapor barrier that contractors use to prevent moisture from penetrating the walls of a basement. The material is stapled to the frame of a basement wall before it is finished with plaster or drywall. A vapor barrier is also helpful to keeping a basement insulated and warm.

Is spray foam insulation good for basements?

Quote from the video:
Quote from Youtube video: And that's the biggest complaint most people have we do not recommend using fiberglass bat or open cell foam in basements.

Can mold grow behind spray foam insulation?

Adding spray foam insulation in potential problem areas is a great way to insulate your home and goes a long way towards mold prevention. It is mold-resistant because it expands when it gets wet, meaning there’s no room for mold or mildew!

Is closed cell foam good for basement walls?



Quote from the video:
Quote from Youtube video: Money if you're going to leave the walls. Exposed. Definitely go close cell that durability.

Should you insulate interior basement walls?

Walls. Basement walls should be insulated with non-water sensitive insulation that prevents interior air from contacting cold basement surfaces—the concrete structural elements and the rim joist framing.

How do you insulate basement walls after framing?

Quote from the video:
Quote from Youtube video: So you've got a concrete wall this just happens to be paid to at one time but so bare concrete. Then what I would do is attach rigid foam usually one-inch rigid foam interlocking styrofoam to the wall

Do concrete walls need insulation?

Any heat inside the home will pass right through the concrete with very little resistance. The concrete acts as a sort of bridge for your heat to get outside. We eliminate the bridge and keep heat in by adding insulation. In order to regulate the temperature of a living space, concrete needs to be insulated.