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    Backers
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    Item # RCPB90-30 • Mfr # PB90BR28 37X121

    PolyBak PB90 Veneer Backer, Balancer .024" Thickness 37" x 121"

    • Technical data, PB90BR28 37X121
      Technical data, PB90BR28 37X121

    Description

    PolyBak PB90 Veneer Backer For Laminated Substrates

    PolyBak PB90 veneer backer from Richwood Industries is a .024 inch nominal thickness sheet in a 37 inch by 121 inch size that works as a backer for laminated substrates, giving casework and panels a consistent balancing layer across the full run. The brown color provides a neutral, workmanlike back side for components where the focus is on performance instead of show face appearance. At 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness, this PolyBak PB90 sheet handles the stresses in laminated assemblies without the weakness of lighter paper backers. That strength matters when panels see handling, transport, or field trimming, because the stronger backer helps the build hold together under normal shop workflows. The advanced performance level means shops can rely on the sheet for demanding laminated jobs where backer failure would add costly rework.

    Key PolyBak PB90 Backer Details For Shops

    • This PolyBak PB90 veneer backer is described at 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness, so laminated substrates gain a tougher balancing layer that stands up to typical fabrication and handling loads.
    • The nominal thickness of .024 inch provides a predictable build when used as a backer, which helps fabricators keep panel thicknesses consistent from part to part through layup and machining.
    • The brown color of this PolyBak PB90 sheet creates a uniform, non-show surface on the back side of panels, giving a tidy, consistent appearance in cabinets, fixtures, or casework where only the face side is exposed.
    • The 37 inch by 121 inch size lets shops cover substantial panel areas in a single piece, which reduces seams on the back side of laminated substrates and simplifies layout during production.
    • This product is identified with manufacturer part number PB90BR28 37X121, helping buyers align exactly to the specified backer when repeating jobs, writing cut lists, or matching architectural documents.
    • Poly br Bak PB90 is most commonly used as a backer for laminated substrates and also as a paintable overlay for substrates and columns, so one material can support both balancing and finish-ready overlay work.

    Installation And Use Of The .024 PolyBak Backer Sheet

    The PolyBak PB90 veneer backer in .024 inch nominal thickness works as a backer for laminated substrates, so it fits directly into existing laminate layup workflows where a balancing sheet is bonded opposite the decorative face. Because Poly br Bak PB90 is most commonly used this way, fabricators can match their existing press routines while gaining the stronger sheet described at 3.5 times the strength of saturated Kraft paper backers of similar thickness. The 37 inch width aligns well to many cut-part sizes pulled from larger sheets, which supports efficient nesting on shop layouts. At 121 inches in length, the backer sheet spans long components or multiple shorter parts, so shops can plan rips and crosscuts around a repeatable sheet dimension during production.

    Using PolyBak PB90 Backer Across Shop Projects

    Where This PolyBak PB90 Backer Sheet Performs

    Poly br Bak PB90 is most commonly used as a backer for laminated substrates, so it fits cabinet boxes, wall panels, and similar laminated assemblies where a balancing layer is required opposite the decorative laminate. In these applications, the .024 inch nominal thickness gives the laminated panel a defined backing layer that supports the face material, which matters when panels are cut, edged, or machined because the laminate stack remains more stable. The brown color provides a consistent back surface on these components, which keeps interiors and non-viewed sides visually uniform even when they are only seen during installation or service. Poly br Bak PB90 is also used as a paintable overlay for substrates and columns, so the same sheet supports wrapped or clad vertical elements where a smooth, paint-ready surface is needed before finishing. Using one material in both flat laminated substrates and column overlays helps shops streamline inventory while building related parts from the same backer family.

    How PolyBak PB90 Details Support Repeatable Results

    The description that Poly br Bak PB90 is 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness translates into a tougher backer layer that resists tearing or breaking during normal handling, which reduces panel damage as parts move between saws, presses, and assembly. That extra strength also helps during trimming and routing operations on laminated substrates, because the backer maintains integrity along the cut edge as tools exit the panel. The advanced performance level associated with Poly br Bak PB90 signals that this sheet is designed for demanding laminated jobs, so shops can standardize it across higher duty projects without changing backer from order to order. The defined .024 inch nominal thickness means panel build-ups are more predictable when balancing decorative laminates, supporting consistent reveals and fit at joins. In paintable overlay use on substrates and columns, that same thickness and strength help columns hold a smooth surface through finishing and installation.

    Common PolyBak PB90 Veneer Backer Questions

    What is the PolyBak PB90 veneer backer used for?

    Poly br Bak PB90 is most commonly used as a backer for laminated substrates and as a paintable overlay for substrates and columns, so it supports both balanced panels and finish-ready vertical elements.

    How thick is this PolyBak PB90 backer sheet?

    The PolyBak PB90 veneer backer has a nominal thickness of .024 inch, giving laminated substrates a defined backing layer that supports consistent panel build across parts.

    What size is the PB90BR28 37X121 PolyBak sheet?

    This PolyBak PB90 backer sheet is 37 inches wide by 121 inches long, letting shops span long parts or multiple smaller components from a single sheet.

    Why choose PolyBak PB90 over saturated Kraft paper backers?

    Poly br Bak PB90 is described as 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness, so panels gain a tougher balancing layer for typical shop handling.

    What is the color of this PolyBak PB90 backer?

    This PolyBak PB90 veneer backer is brown, providing a neutral, consistent back surface on laminated substrates, cabinet interiors, or column wraps.

    What does the PB90BR28 37X121 part number indicate?

    The PB90BR28 37X121 manufacturer part number identifies this specific .024 inch thick, 37 inch by 121 inch PolyBak PB90 brown backer sheet for repeat ordering and job specifications.

    Select PolyBak PB90 Backer For Laminated Work

    The PolyBak PB90 veneer backer in .024 inch nominal thickness and 37 inch by 121 inch format gives shops a brown, advanced performance sheet for laminated substrates and paintable overlays on substrates and columns. The description that Poly br Bak PB90 is 3.5 times stronger than the leading saturated Kraft paper backer of the same thickness means fabricated panels gain a tougher balancing layer for production handling. With a defined size and the PB90BR28 37X121 part number, it supports repeatable ordering across projects where the same Richwood Industries PolyBak PB90 backer is specified.

    Product Type
    Backer
    Color/Finish
    Brown
    Width (in)
    37 in
    Length (in)
    121 in
    Thickness (in)
    .024 in
    Supplier Pack Size
    250
    Sold In
    1
    Product Type
    Backer
    Color/Finish
    Brown
    Width (in)
    37 in
    Length (in)
    121 in
    Thickness (in)
    .024 in
    Supplier Pack Size
    250
    Sold In
    1
    37 in49 in52 in61 in
    74 in97 in121 in145 in1800 ft
    $14.27/Sheet
    PolyBak PB90 Veneer Backer, Balancer .024" Thickness 37" x 121"
    Item# RCPB90-30 / MFR Part # PB90BR28 37X121
    Sheet
    Richwood Industries
    Sheet
    In Stock

    Sold In: 1 Sheet

    Sheet