Many types of wall Insulation but some famous Insulation explain Here.
How to insulate basement walls all depends on what the nature of the room will be. For example, when one does insulate basement walls, are they planning to use the room for a living space or bedroom? Will it be for a bathroom or laundry area, or perhaps simply storage space? Once it is determined how the room will be used, the type and amount of insulation can be better determined.
If the room is going to be for storage or a utility room, less insulation will be sufficient as one probably will not be spending a large amount of time in these rooms. Especially if the room has a washer and dryer in it, many times these appliances will help to warm the room in a hurry. Now if the room is going to be used much more such as a bedroom, living area or bathroom, more insulation should be used to ensure the room temperature remains constant as weather conditions outside vary.
Foam board insulation
There are a number of different types of insulation one can use when deciding to insulate basement walls as well. For example, foam board insulation is a good choice for basements because the edges of the foam board can be butted up to each other and then taped off to prevent gaps for air to move through.
In addition, these sheets of insulation can also be attached to the wall with construction adhesive or held in place by installing stud walls over the front of them. Attaching with adhesive is the better option, however, as it will ensure the insulation is held tight to the wall not allowing air to move around between the insulation and exterior wall itself.
Another method for insulating exterior walls is to frame up stud walls, run the necessary electrical wiring if applicable, and then roll in standard fiberglass insulation over the top of it. This can then be stapled to the studs to hold it in place until the drywall has been installed over the top of it.
Spray foam insulation
A third option, which is generally the most expensive, yet provides the best insulation is the spray-in expanding foam insulation.
By starting with the same steps of framing the walls around the exterior of the basement and running the wiring, this insulation starts as a thin liquid but then expands out to fill in every gap.
The expansion will probably extend past the stud walls and need to be shaved off even with the studs, but this insulation is about as airtight as they come and will ensure to keep the exterior temperatures from infiltrating the basement area.
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