Pikkuroof is a composite material combining two distinct layers that work together to provide strength, weather protection, and long-term durability. Understanding this two-layer construction helps explain why Pikkuroof outperforms simple PVC sheeting for overhead installations.
Layer 1: Inner Reinforcement Mesh
The core of Pikkuroof is a tightly-woven mesh fabric—essentially a fine mosquito net material—that provides structural reinforcement throughout the entire panel. This mesh layer serves multiple critical functions: it prevents the PVC film from stretching excessively or sagging under its own weight between rafters, distributes tension evenly across the panel during installation and under wind or snow loads, and adds tear resistance that simple unreinforced PVC film lacks. The mesh is permanently welded (heat-fused) to the PVC layers on both sides, creating a unified composite material rather than separate layers that could delaminate over time. Think of this mesh like the steel reinforcement in concrete—it doesn't provide the weather protection itself, but it makes the overall structure far stronger and more stable.
Layer 2: Outer PVC Film Protection
Encapsulating the mesh reinforcement on both top and bottom is durable clear or tinted PVC film. This outer layer provides all the actual weather protection: it's completely waterproof, shedding rain and snow effectively when installed with proper pitch; blocks wind and airborne debris from entering your covered space; offers UV-stabilized protection that resists yellowing, cracking, and clarity loss over years of sun exposure; and maintains excellent light transmission (clear version) or provides comfortable shade (tinted version) while preserving visibility of sky and surroundings. The PVC film is thick enough to withstand outdoor exposure and handling during installation, yet flexible enough to stretch smoothly across your rafter structure.
Durability and Longevity
The combination of reinforced mesh structure and UV-stabilized PVC creates a roof panel significantly more durable than unreinforced plastic sheeting. Pikkuroof resists the common problems that plague simple plastic: yellowing and brittleness from sun exposure, tearing and puncturing from wind-caught debris, excessive sagging and stretching under temperature variations, and delamination or separation of layers over time. With proper installation, appropriate structural support (rafters spaced no more than 80 cm apart), and minimum 5-degree roof pitch for water runoff, Pikkuroof provides
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