Tips for Insulating a Wine Cellar with Rock Wool Insulation


Have you made the decision to add a modest wine cellar to your home or restaurant’s layout? Will you be building the wine cellar yourself or hiring an outside contractor? Either way, give some thought to using rock wool insulation. Its mold resistant, hydrophobic, eco-friendly nature makes it the best form of insulation for such applications.

In most instances, a single rock wool mattress or slab will have an estimated R-value of 3 to 3.3 per inch. Our rock wool mattresses and slabs range in thickness from 30 to 100 mm. Their density ranges from 40 to 180 kg/m3. We also have rock wool pipe sections that would be ideal for insulating around the wine cellar’s cooling unit. When looked at as a whole, the rock wool pipe sections have a thickness range of 25 to 150 mm and a density of 100 to 160 kg/m3.

Understandably, the amount of rock wool insulation needed for your wine cellar will vary based on the room’s dimensions and location. Ideally, most wine cellars should have a minimum R-value of 19. However, many people prefer to increase the R-value to 30 when it comes to the ceiling and floor. Should you live in a tropical or sub-tropical area, you may want to consider doing the same. It could very well save you on cooling costs in the long term.

Once the rock wool insulation is in place, you’ll need to cover it with a 6 to 8 mm polyethylene vapor barrier. The walls and ceiling should then be covered with mold resistant sheetrock and water-based paint. The floors, on the other hand, will need to be covered with a non-porous, non-expanding, odor free material. Taking all of those steps will help to ensure that the wine will not absorb odors from the room’s exterior surfaces, refrigeration unit and surrounding ductwork.

To learn more about rock wool insulation and the benefits of using it in wine cellar construction, contact Tenou Firesafe Insulation Company. We are an industry leader with a history of producing fine, affordable rock wool insulation.

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