What is rSTUD wood?



  1. 0 Votes

    rSTUD is made with laminated veneer lumber and a polyurethane foam bound by a patent-pending structure pack process. The company says the insulated lumber has an R-value of 21.

    The R-value is a measure of thermal resistance used in the building and construction industry. Under uniform conditions it is the ratio of the temperature difference across an insulator and the heat flux (heat transfer per unit area, \dot Q_A) through it or  R = \Delta T/\dot Q_A.The R-value being discussed is the unit thermal resistance. This is used for a unit value of any particular material. It is expressed as the thickness of the material divided by the thermal conductivity. 


    The goal of the rSTUD wood is that it retains heat and energy produced within the house with greater efficiency, lowering the energy input it takes to heat a household. The site cites a study claiming that 30-40% of energy produced in a household is lost through the studs. 

  2. 0 Votes

    rStud wood is insulated lumber that helps minimize heat loss in a home.There is a thermal break in the wood (as visible in the picture) that allows the wood to retain more heat and give it a higher R-value (measure of thermal resistance) while still allowing the wood to be strong. A 2×4 costs $6.75 and has an R-value of 11. A regular 2×4 has an R-value of 4.38


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