Renovating the interior of a protected historic office building comes with extremely strict construction restrictions, as local heritage protection rules almost never allow you to add heavy new masonry walls that could damage the old building’s original historic structure. EPS Cement Sandwich Panel is the only partition material that can fully meet these strict requirements, as its ultra-lightweight 45kg/m² weight adds almost no extra load to the old building’s original floor slabs, which usually have very low load-bearing limits set decades ago. Unlike heavy brick walls that can cause structural damage to old historic buildings, these panels can be installed without any complex structural reinforcement work, which helps you avoid violating local heritage protection regulations. The panels can also be easily cut and shaped on site to fit the irregular wall lines, curved surfaces, and unique historic architectural features that are very common in old heritage office buildings, so you can preserve 100 percent of the building’s original historic character while still adding all the modern functional partitions you need. You can also finish the panel surfaces with traditional lime plaster or historic-style paint that perfectly matches the original wall aesthetic of the heritage building, so the new partitions blend in completely and are almost indistinguishable from the original historic walls. Many historic office renovation projects that used EPS Cement Sandwich Panel reported that they passed their local heritage protection inspection on the first attempt, while also finishing the entire renovation project 60 percent faster than the original planned timeline.