That depends compleatly on what type and what brand of insulation you want.
Batt insulation comes in a variety of widths, lengths and thicknesses.
batt
A batt is one of a series of fibres used for stuffing, especially for insulation.
A batt is a form of insulation; instead of being a roll (as most insultion comes), a batt is usually a rectangular piece of insulation. A batt usually has a high R value and it is a lot thicker than most insulation so it is impractical to try to have it in rolls as they would be too large to handle easily.
Which is not a form of insulation loose fill foamed-in-place ball batt
The best insulation for 2x4 exterior walls is typically fiberglass batt insulation. It is cost-effective, easy to install, and provides good thermal performance.
The cheapest way to insulate a garage ceiling is to use fiberglass batt insulation. This type of insulation is cost-effective and relatively easy to install.
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Can lights that are rated as IC "insulation contact" are the only style approved for use with blown or batt insulation.
The key steps involved in batt insulation installation are: Measure and cut the insulation to fit the space. Place the insulation between the studs or joists. Ensure a snug fit without compressing the insulation. Use a vapor barrier if necessary. Seal any gaps or openings to prevent air leakage.
depends on the batt.. some will cost you 30 - 100 dollars depending on the batt.
bat