Insulation
Insulation is essential for maintaining a comfortable and energy-efficient home. It effectively regulates indoor temperatures by minimizing heat loss during winter and curbing heat gain in summer. By understanding R-value and selecting the appropriate insulation for your climate, you can reduce your energy expenses and enhance your home’s comfort.
Whether you’re constructing a new home or aiming to enhance the energy efficiency of your existing one, we are here to assist you.
What is R-Value?
R-value measures how well insulation resists heat flow, with higher values indicating better performance. Typically, R-values range from R-13 to R-60, based on insulation type and use. Recommended R-values for exterior walls are R-13 to R-23, while ceilings and attics usually require R-30 to R-49, depending on climate and building codes.
Factors Affecting R-Value:
- Material type: Different materials, like fiberglass and foam board, have varying R-values, affecting effectiveness.
- Thickness: Thicker insulation increases heat resistance, improving heat retention or blockage.
- Density: Denser materials provide better thermal resistance and higher R-value per inch.
- Installation quality: Gaps and misalignments can lessen effectiveness, making proper installation crucial.
- Moisture Content: Moisture reduces R-value, so using moisture-resistant materials and keeping insulation dry is important.
Insulation Options
Fiberglass Batts
Fiberglass has emerged as a favored choice because of its cost-effectiveness and simple installation process. When used as loose fill, it delivers an R-value ranging from 2.2 to 2.7 per inch, while batts offer an impressive 3.1 to 4.3 per inch. Additionally, its noncombustible properties enhance safety, further solidifying its appeal among homeowners.
Mineral Wool
Mineral wool, or rock wool, provides an R-value of about 3.0–3.3 per inch. It is highly resistant to fire and does not propagate flames, making it a safer option for insulating areas requiring extra fire protection. It also offers water resistance and soundproofing qualities.
Cellulose
Cellulose insulation, made from recycled paper products, provides an R-value of approximately 3.2–3.8 per inch. This eco-friendly option can be blown into existing walls or attics, offering excellent coverage in hard-to-reach areas. It is treated with fire retardants, enhancing its fire resistance compared to other organic materials.
Spray Foam - Open Cell
This type provides an R-value of about 3.6–3.8 per inch, offering good insulation while allowing some air movement, which can benefit certain applications.
