insulation

Fiberglass batt insulation

Pre-cut spun glass-fiber batts to fit standard stud bays (15.5" or 23" wide). Lowest-cost insulation; performance depends heavily on quality of install (no compression, no gaps).

Cost tier

BUDGET

Cost / sqft

$0.6–$1.8

Install

DIY

Durability

high

Maintenance

low

Moisture

poor

Cost notes

Quality install is the variable — gaps and compression drop effective R-value 30-50%.

Aesthetic

Finish: concealed
Color range: yellow, pink, white
Visual weight: light

Climate suitability

✓ Hot-humid

✓ Hot-dry

✓ Mixed-humid

✓ Mixed-dry

✓ Cold

✓ Arctic

Code notes

IECC R402 dictates climate-zone R-value requirements.

Source

Architectural Graphic Standards — Architectural Graphic Standards (Ramsey/Sleeper) — Materials chapter

Tags: fiberglass, batt, budget, common