Wine Cellar Insulation R Value

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Wine cellar insulation r value.

Hard woods like oak typically have an insulating value of r 1 per inch of thickness. Generally the next size up cooling unit will be adequate but we recommend you consult a professional to be sure. Wine storage experts strongly recommend that cellars should have a minimum of r 13 insulation. In the case of glass enclosed wine cellars note that glass is a poor insulator.

Styrofoam has a closed cell structure and therefore will not absorb any moisture maintaining its high r values. When applying traditional fiberglass batting make sure to orient the paper or foil barrier toward the warm side of the wine cellar wall. However softer woods such as pine might have r values twice as high due to their greater number of air filled pores. In this case you might consider selecting a cooling unit with a greater btu output to offset the diminished r value.

After the vapor barrier has been installed you will need to put insulation in the stud and joist cavities. R value or the thermal resistance value of a material is a critical rating. If you need assistance understanding the charts don t hesitate to contact us. Closed cell foam is a code approved vapor barrier with a permeability rating of under 45 ng as well as a code approved air barrier and thermal insulation.

It also stops water vapour from escaping and damaging areas adjacent to the wine cellar. In a 2x4 wall cavity using fiberglass will provide you with an r 13 insulation value. R value indicates the ability of the insulation to restrict heat flow a higher r value indicates better insulation. This is why styrofoam is the wine cellar insulation of choice when planning to build a wine cellar in your home.

When building a wine cellar use the following table to assist in calculating the r value for various construction materials that you may use in your wine cellar. The most common insulation used is fiberglass batts. In a 2x6 wall fiberglass will provide you with an r 19 insulation value. With an r value of about 7 per inch this takes your cellar comfortably above r 30 on average.

This value can be adequately provided by fiberglass batts. If you decide to use this material for your custom cellar make sure that a 6 mil plastic vapor barrier is applied to the warm side of the walls. If the walls don t reach an r value of at least 20 and the floor and ceiling don t reach at least 30 there will be cold air lost to the rest of the home. Lebanon 1500 washington rd pittsburgh pa 15228.

R wines available at. The closed cell structure is very strong. Increasing shear and racking strength by 300.