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PolyBak PB69 veneer backer from Richwood Industries is a Poly br Bak backer sheet designed as a balancing layer for laminated substrates and as a paintable overlay for substrates and columns. The sheet in this configuration has a nominal thickness of .020 inches, so it coordinates with builds that call for that specific backer gauge. Its 61 inch width and 121 inch length give coverage suitable for large panels or column faces in a single piece, which helps reduce seams on wide workpieces. This PB69 backer is described as the top Poly br Bak backer in its line at a standard performance level, so it fits daily production needs where consistent backer performance is required. The brown color provides a neutral, unobtrusive backside tone that fits typical shop expectations for laminated panel backs and column wraps.
This PolyBak PB69 sheet is defined with a nominal thickness of .020 inches, which lets it slot into lamination setups that are built around that gauge without changing press targets. Its 61 inch standard width works with wide presses and panel sizes frequently used in commercial casework, so it can be applied across the back of a full substrate without ripping narrower strips. The 121 inch standard length aligns with common tall panel and column dimensions, which supports laying up full-height components in one piece. Because it is designed as a backer for laminated substrates and as a paintable overlay for substrates and columns, it fits directly into those roles wherever this size and thickness are called out.
PolyBak PB69 is described as a backer for laminated substrates, so it sits on the reverse side of a laminated panel to balance the face material. In that role, the .020 inch nominal thickness matches projects that specify this gauge, which helps panels track to the intended buildup. The sheet is also described as a paintable overlay for substrates and columns, so it forms a surface that can accept paint on those components when used in that application. Its 61 inch width and 121 inch length let it span large substrates and column wraps in a single sheet, which can simplify layout on long faces. Because it is presented as the top Poly br Bak backer in its line at a standard performance level, it lines up with routine commercial millwork where PolyBak PB69 is part of the specified construction.
The PB69 backer is described as 2.5 times stronger than the leading saturated Kraft paper backer of the same thickness, which means it provides greater strength while staying in the .020 inch gauge commonly used in lamination builds. That strength characteristic supports backer roles on laminated substrates where a stronger sheet is preferred at that thickness. PB69 is also described as available in standard widths of 49 inches and 61 inches and in standard lengths of 97 inches, 121 inches, and 145 inches, so shops can work within that family of sizes to match different panel formats specified for a project. It is further described as available in 1,800 lineal foot rolls, which suits production environments that prefer roll stock within the same PB69 performance level and thickness. Across these forms, the brown color remains consistent, which helps keep the appearance of backer surfaces uniform across multiple pieces.
PolyBak PB69 veneer backer is described as a backer for laminated substrates and a paintable overlay for substrates and columns, so it serves both balancing and overlay roles in those applications.
The .020 inch nominal thickness places PB69 within a commonly referenced backer gauge, so it lines up with lamination designs that specify this thickness in panel construction.
The 61 inch width and 121 inch length work with large substrates and tall panels, so one sheet can cover many full-size laminated panels and column faces.
PB69 is described as 2.5 times stronger than the leading saturated Kraft paper backer of the same thickness, so it provides greater strength in the same .020 inch gauge.
PB69 is described with a performance level of Standard, so it is positioned for general backer and overlay applications rather than a specialty performance tier.
The PolyBak PB69 backer sheet is described as brown, so it presents a neutral backside tone on laminated substrates and painted columns.
This PolyBak PB69 veneer backer from Richwood Industries in the .020 inch nominal thickness and 61 inch by 121 inch format offers a defined backer and paintable overlay option for laminated substrates and columns. Its description as the top Poly br Bak backer in its line at a standard performance level, along with its strength rating of 2.5 times that of a leading saturated Kraft paper backer of the same thickness, positions it for projects where this exact product and size are called out. For laminated substrates or column overlays that specify PB69 at this gauge and size, this sheet matches those written requirements.
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