Open-cell spray foam is a type of insulation made from polyurethane that expands when applied, forming a soft, spongy texture. It is known for its air-sealing properties and is typically used in interior walls, attics, and ceilings.
Open-cell foam is less dense and more flexible than closed-cell foam. It provides good sound dampening and air sealing but offers a lower R-value per inch. Closed-cell foam is denser, provides a moisture barrier, and has a higher R-value.
Open-cell spray foam is commonly used in interior spaces such as attic slopes, wall cavities, ceilings, and floors. It is ideal for areas where air sealing and sound reduction are priorities, but moisture control is less critical.
Once cured, open-cell spray foam is non-toxic and safe for indoor environments. During installation, proper ventilation and protective equipment are necessary to avoid inhaling fumes.
Open-cell spray foam typically has an R-value of around 3.5 to 3.7 per inch. This means it offers good thermal resistance but may require thicker application to meet insulation requirements compared to closed-cell foam.
No, open-cell spray foam does not serve as a vapor barrier. It is permeable to moisture, which means a separate vapor barrier may be needed depending on building codes and climate conditions.
When properly installed, open-cell spray foam can last the lifetime of the structure. It does not settle or degrade significantly over time if it remains protected from moisture.
Yes, by sealing gaps and preventing air leaks, open-cell spray foam can improve energy efficiency and reduce heating and cooling costs. Its effectiveness depends on the quality of the installation and overall building design.
It is applied as a liquid using a spray gun, then expands to fill cavities and gaps. Installation requires professional equipment and should be performed by trained contractors to ensure proper coverage and curing.
Yes, open-cell spray foam can be applied in existing homes, but access to wall cavities or attic spaces is required. Some retrofitting may involve removing drywall or using injection methods.
Open-cell spray foam offers good sound-dampening qualities due to its porous structure. It helps reduce airborne noise between rooms, making it a common choice for interior wall applications.
Costs depend on the size of the area, the depth of insulation required, site accessibility, and local labor rates. Open-cell foam is generally more affordable than closed-cell foam per square foot.
Yes, its open-cell structure allows it to absorb and retain moisture, which can lead to issues if used in high-humidity areas without proper vapor barriers.
Once installed correctly, it requires minimal maintenance. However, periodic inspections are recommended to check for moisture intrusion or damage due to pests or structural changes.
Most residential installations can be completed in one to three days, depending on the size of the area and complexity of the project.
Yes, once fully cured, it can be trimmed and painted. A coating or covering is usually recommended for fire safety and aesthetic purposes.
It contains fewer chemicals than closed-cell foam and uses water or low-emission blowing agents, but it is still a synthetic material. Some products are available with recycled content or plant-based additives.
Lamothe Insulation & Contracting provides spray foam insulation services throughout Worcester, Auburn, Brookfield, Charlton, Dudley, East Brookfield, Leicester, Oxford, Paxton, Rutland, Sturbridge, Spencer, and nearby Massachusetts communities.
You can call Lamothe Insulation & Contracting at (508) 847-0119 to discuss your project and request a free estimate. We will help assess your needs and schedule an on-site visit if required.
Yes, Lamothe Insulation & Contracting is fully licensed and insured to provide spray foam insulation services. Our team follows safety standards and building codes to ensure quality results.