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PolyBak PB90 veneer backer at .024 inch thickness in a 61 inch by 145 inch sheet gives fabricators a large-format backer sized for full panel work. The brown sheet from Richwood Industries sits in the PolyBak PB90 family, so it matches known performance expectations across projects using the same backer line. Being 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness, PolyBak PB90 helps laminated substrates better resist handling stress as panels move through cutting, edgebanding, and transport. That strength advantage means the back face supports the decorative surface, which helps panels stay flatter in normal shop conditions. Designed as a backer for laminated substrates, the sheet balances the construction behind high-pressure laminate or veneer, so the build-up is less prone to distortion. The same construction also serves as a paintable overlay for substrates and columns, giving shops a smooth, uniform surface ready for finishing systems.
This .024 inch, 61 inch by 145 inch PolyBak PB90 backer sheet lines up with common panel and column dimensions, so it fits naturally into standard shop layouts. As a backer for laminated substrates, it forms the balancing layer opposite decorative laminate or veneer, helping the completed panel react more uniformly to ambient conditions during storage and installation. The stated strength of being 3.5 times greater than leading saturated Kraft paper backer at the same thickness means the backer contributes more resistance when panels are moved, stacked, or edge-machined. When used as a paintable overlay for substrates and columns, the continuous surface helps finishing systems lay down more evenly across large parts, supporting consistent color and texture along the full 145 inch length.
Richwood Industries positions PolyBak PB90 primarily as a backer for laminated substrates, so it slots directly behind decorative faces in panel construction. In cabinet shops, millwork facilities, or other woodworking operations using laminate or veneer, the 61 inch width works well for full sheet builds where a wide back layer is needed for balance. The 145 inch length allows this PB90BR28 5X12 sheet to run in tall column wraps or extended wall panels, supporting continuous coverage in those dimensions. As a paintable overlay for substrates and columns, the same sheet gives fabricators a uniform base layer over structural cores before applying paint, so complex assemblies can carry a single backer product across both hidden and visible surfaces.
The statement that PolyBak PB90 is 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness points directly to how the sheet behaves once bonded. That strength helps the backer resist tearing and surface damage as laminated substrates pass through saws, CNCs, or edge profiling, which protects the integrity of the panel during production. The nominal .024 inch thickness keeps the backer relatively thin while still enabling this strength level, so panel buildup remains close to common design expectations while gaining added durability on the back face. The advanced performance level designation reinforces that this product is engineered for demanding panel applications where backer failure could lead to rework. When used as a paintable overlay for substrates and columns, the same structural strength helps the overlay stay intact around edges and corners during handling, which supports a more uniform finish after painting and installation.
The PolyBak PB90 veneer backer is used as a backer for laminated substrates and as a paintable overlay for substrates and columns, supporting balanced panel construction and a finish-ready surface.
The .024 inch nominal thickness keeps the PolyBak PB90 backer thin enough for standard laminated panel layups while still contributing significant strength to the back face of the assembly.
PolyBak PB90 being 3.5 times stronger than leading saturated Kraft paper backer of the same thickness helps laminated substrates better withstand handling and machining without the backer layer failing.
The 61 inch by 145 inch size supports wide panels and tall components such as columns, giving fabricators a single backer sheet across large surfaces for consistent balance.
This PolyBak PB90 sheet is described as a paintable overlay for substrates and columns, so it provides a smooth, uniform surface ready for finishing systems over structural cores.
The advanced performance level indicates this PolyBak PB90 backer is designed for demanding laminated substrate applications where panel stability and backer strength are important production factors.
The PolyBak PB90 veneer backer at .024 inch thickness in the 61 inch by 145 inch format from Richwood Industries provides an advanced performance option for laminated substrates and paintable overlays. Its strength rating of 3.5 times that of leading saturated Kraft paper backer of the same thickness supports panel stability through pressing, machining, and installation. The brown color, wide width, and extended length align with full-size panels and column builds. For shops standardizing on a reliable backer layer, this PB90BR28 5X12 sheet offers a consistent product identity and dimension set for repeated use across multiple laminated projects.
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