Focusing on spray foam insulation materials, there is a difference between the two main types. Homes in Climate Zones 1 to 2 must have an Air Tightness 5 ≤ Air Changes per Hour @ 50 Pascals while homes in Climate Zones 3 to 8 must have an Air Tightness 3 ≤ Air Changes per Hour @ 50 Pascals. Q. The foam expands within seconds to fill the cavity surface. May 2016. U.S. Department of Energy, Nuclear Physics and Reactor Theory. Spray-on insulation delivers highly precise application, lightweight packaging, and easy setup and cleanup. Discover how Icynene spray foam insulation can add value to your energy-efficient home designs. The rapid growth of sprayed foam insulation in building construction, thanks in part to its immediate and long-term benefits, has allowed the insulation material to sit confidently alongside traditional insulation types in providing thermal comfort for building occupants. 2012 Building Code also requires higher insulation levels in many climate zones and introduces “continuous insulation” requirements on the exterior walls in several colder zones. recognized flood-resistant material by FEMA, recognized as a flood resistant material by FEMA, Can accommodate long-term creep and seasonal movement, Can be installed at a significantly lower cost and target the same specified R-value*, Provides sound dampening qualities, ideal for use media or theater rooms, Ability to reject bulk water (closed-cell foam insulation is, Can be applied at very low temperatures (as low as 5°F), Adds wall racking strength as well as impact resistance, Higher R-value* per inch  – easier to accommodate high R-value* requirements in narrow spaces, Lower vapor permeance (can be a Class II VDR), they offer improved insulation performance, their longer molecular structure migrates out of cell more slowly, the closed structure of closed cell foam restricts gas loss best. They can significantly decrease the energy demands of heating and cooling systems. D. L. Hetrick, Dynamics of Nuclear Reactors, American Nuclear Society, 1993, ISBN: 0-894-48453-2. In new build property, floor insulation is a vital part of the thermal envelope requirements. Building Genius presents architects, commercial builders and production builders with an insight. Polyurethane foam insulation is available in closed-cell and open-cell formulas. All these have R-values ranging from R-3.2 to R-3.8 per inch. Home. With the majority of states either on the 2009, 2012 or 2015 code, below are some high-level points to consider and about how spray foam insulation contributes. Proven Performance Can see maximum thermal performance with R-values of up to R-23, and acoustical benefits of up to 5 STC points — based on location and proper installation. One of the key differentiators between traditional insulation materials and spray foam insulation is the latter’s ability to insulate and air seal. Spray foam in the ultimate sealant and insulator, it's closed cell structure stops convection currents, which will eliminate condensation, moisture and mold. Spray Polyurethane Foam (SPF) is a closed-cell organic product that is spray applied onto virtually any surface with a special blending machine and spray gun to provide a seamless thermal protection. Please let us know how we can assist you. Polyurethane polymers are traditionally and most commonly formed by reacting a di- or poly-isocyanate with a polyol. Glasstone, Sesonske. K. O. Ott, R. J. Neuhold, Introductory Nuclear Reactor Dynamics, American Nuclear Society, 1985, ISBN: 0-894-48029-4. We … 2) You may not distribute or commercially exploit the content, especially on another website. [CDATA[// >