Even when two insulation solutions seem similar in quality and properties, you simply cannot substitute one for the other. Here’s why. All ROCKWOOL insulation products are sustainable and high quality, but they perform best when the right solution is used for the right application. How you plan to use your insulation can make all the difference. If you are customizing, designing or inventing a product or require small batch samples for your R&D process, then you likely will need Core Solutions (OEM). Let’s show you why.