Tekfoil R Value. But concrete is a conductor of thermal energy, not an insulator. Tekfoil reflective/bubble bubble/reflective insulation is designed for installation between or over • crawl space: Tekfoil reflective/bubble bubble/reflective insulation is designed for installation between or over framing members, on walls, floors and ceilings.
Building science corporation (bsc), and others have been examining this difference.
Also, click here to learn what is gas the value of r can be expressed in multiple units. It work by creating a seal and stopping air passing threw it. Tekfoil reflective/bubble bubble/reflective insulation is designed for installation between or over • crawl space: I've very successfully used foil faced bubble wrap (tekfoil, reflectix) in the past so given it's super r value per thickness and ease of installation this is my choice for quick long lasting effective. Also, click here to learn what is gas the value of r can be expressed in multiple units. Calculating p values for given t value in r. Simple to use, effective and free. However, too many people confuse insulation.
