In the field of construction and building, the lightweight and easy-to-transport feature of PP sheets (with a density of approximately 0.91g/cm³, only 1/8 that of steel and 1/2 that of wood) brings significant advantages in multiple links such as transportation, construction, and cost, directly meeting the demand for efficient operations in construction scenarios.
Transportation Advantage
From the perspective of transportation, a single PP sheet is light in weight, allowing more sheets to be loaded onto the same transportation equipment (such as trucks and construction elevators). Compared with transporting steel, stone, or solid wood panels of the same area, it can reduce the number of transportation trips, lower fuel consumption and transportation costs. For example, a small truck can load about 500㎡ of PP moisture-proof sheets, while only 200-300㎡ of wood can be loaded in the same space, increasing transportation efficiency by approximately 60%. At the same time, its lightweight feature eliminates the need for relying on large lifting equipment; it can be directly transported to narrow areas such as high-rise building floors and basements by manual handling or small carts, avoiding transportation route restrictions caused by heavy materials. For instance, during construction in old residential areas where large lifting equipment cannot enter, PP sheets can be manually carried to high floors.
Safety Advantages
This lightweight property can also effectively reduce construction safety risks and simplify the installation process. A single PP sheet is usually only half the weight of a wood panel of the same size (for example, a 1.2m×2.4m PP sheet weighs about 2.6kg, while a wood panel of the same size weighs about 5-6kg). Construction workers can carry and splice them individually without the need for multi-person collaboration or lifting equipment, thereby reducing safety hazards such as muscle strain, falls, and collisions caused by carrying heavy objects. Moreover, the lightweight feature makes on-site cutting and splicing of PP sheets more flexible—no professional heavy-duty tools are required, and only ordinary cutting knives can be used for processing. During installation, there is no need for additional reinforcement of load-bearing structures (for example, when installing a PP moisture-proof layer on the wall, there is no need to pour load-bearing brackets in advance; it can be directly fixed by bonding or snapping). Compared with traditional heavy materials (such as cement boards and metal plates), the construction time of a single process can be shortened by 30%-50%.
