Rockwool Insulation Board vs Sandwich Panel
Comparison guide: a loose rockwool insulation board compared with a rockwool sandwich panel. No loose-board product is offered on this site.
Two different products, not two names for one product
A rockwool insulation board, in the loose-board sense, is a board of rockwool material supplied on its own, without metal facings and without a panel joint system. A rockwool sandwich panel is a finished panel: metal facings with a rockwool core between them, jointed to neighbouring panels to form a wall or ceiling. The difference is not a wording preference; it is a difference in what is delivered, how it is installed, and what wall or ceiling it forms. This site offers the sandwich panel, in its handmade and machine-made routes, and it does not offer a loose insulation board as a product. No loose-board thickness, density, size or price is stated here, because no loose-board product is listed in the company materials used for this site.
When a sandwich panel is the right choice
Choose a sandwich panel when the job is a cleanroom wall or ceiling that must be jointed, cleanable and consistent in appearance, with a defined thickness, density and joint for each area. A loose board is a material input for a different kind of construction, and it does not by itself form a jointed cleanroom wall. Buyers who arrive with a loose-board search should check which of the two they actually need before ordering, because ordering a sandwich panel on a loose-board assumption, or vice versa, produces the wrong delivery. For sandwich panel specifications, see the rock wool sandwich panel detail page. Before ordering, confirm the minimum order quantity and the lead time in your inquiry.