In our country, the insulation of many corrugated slate roofs has not been solved, because the waterproofing of the corrugated slate roof and the renovation of outdated roof structures would often cost more than the construction of a new roof. The majority of slate roofs get wet, and their economical insulation is only possible with spray foam.

• One of the advantages of spf insulation is that it is an excellent, completely airtight insulation No more thermal bridges, condensation problems and mould. In summer, the roof does not get hot, and the workers' sense of comfort will be noticeably higher. In winter, you will save significant amount of money, as the monthly heating costs go down.
• The building will also be waterproofed! Thanks to the gap-free surface no more soaking.
• The material is flexible, does not crack due to expansion movements. Closed-cell polyurethane strengthens the roof statically. The insulation is strong, yet light, so it puts minimal strain on the roof. Polyurethane is safe because B2 fire protection classification material and does not feed the fire.
• The installation is fast: we insulate up to 1,000 m² in one day. The work is clean, there is no waste, nor delivery costs.

If the corrugated slate is broken, the building gets wet. It is very difficult and expensive to solve the waterproofing with other technology. Corrugated slate is dangerous waste, so the demolition and removal of the old roof is a big expense for the owner. It is often not possible to attach the new shell to the old support structure because the structure cannot support the weight of the new materials or the attachment points do not fit. It is difficult to insulate this roofs with other materials, because the cotton insulation fixed from the inside slips off, collapses, becomes moldy when exposed to water or moisture, and is also gappy and not airtight. Traditional insulations do not strengthen the roof, so environmental influences, such as hail, can cause serious damage to the roof structure.

If the roof structure is insulated and the layer order does not consist of only one layer of corrugated slate, then in order to waterproof the corrugated slate, we are forced to insulate it from the outside. The same is the case if a false ceiling is installed, or if the surface is difficult to access from the inside due to the building's equipment. For external insulation, sun protection (UV coating) is an additional cost to the customer. Watch the video if you are interested in how we insulate from the outside!