Order by 24/7 by web, contact our sales reps or call by phone.
What you need, when you need it, all in one place.
Most orders ship same day.
Advice and support from knowledgeable professionals.
PolyBak PB42 veneer backer is a .011 inch thick black sheet in a 61 inch by 121 inch size that balances panels faced with wood veneer or decorative laminates, helping panels stay flatter in service. This PolyBak PB42 veneer backer is described as a great choice for a low cost balancing backer or paintable overlay, so it fits well where you need function without adding unnecessary material expense. The material has properties similar to Poly br Bak PGB, but with even greater tensile strength and moisture resistance, supporting panels that see handling, transport, and changing interior conditions. Richwood Industries identifies PB42 as part of its backers line, which positions it for cabinet, casework, and general woodworking shops that standardize on sheet goods. The black color can be useful where the back side may be visible, giving a consistent dark appearance on open cabinets or shelving backs.
The extreme flexibility of this PolyBak PB42 veneer backer helps it conform to substrates faced with wood veneers or decorative laminates, supporting reliable adhesion across the sheet. As an excellent balancing backer for substrates faced with wood veneers, PB42 helps the veneer side and backer side react more evenly, which is important for keeping panels stable. The product is also described as a low cost balancing backer for substrates faced with decorative laminates, making it suitable where laminate is your primary face and you still need a controlled backside. PB42 is listed as a paintable overlay, so it can serve where you want a painted back instead of a raw core, which helps deliver a finished appearance on project interiors. Its greater tensile strength compared to Poly br Bak PGB supports panels during machining and installation.
Common uses for this PolyBak PB42 veneer backer include balancing substrates faced with wood veneer, which supports cabinet doors, drawer fronts, and case sides that use veneer faces. It is also identified for balancing substrates faced with decorative laminates, fitting countertop build-ups, wall panels, or fixture faces where the primary surface is laminate. PB42 is listed for MDO for concrete forms and other applications, so it can participate in panel assemblies that use medium density overlays, extending its reach beyond only interior cabinetry. As a paintable overlay, the PB42 sheet can be used where the back or secondary surface is intended to receive paint, which helps you deliver a uniform, prepared back surface rather than exposing raw substrate. This versatility allows shops to standardize on a single backer across varied laminated or veneered work.
Being stronger than comparable thickness saturated Kraft paper backer, the PolyBak PB42 veneer backer helps create panels that better tolerate handling, transport, and edge machining, supporting cleaner edges and less panel damage. The material has greater tensile strength and moisture resistance than Poly br Bak PGB, so the backer contributes to panel stability where humidity and routine cleaning can affect substrate balance. PB42 carries a Class A Flame Spread Rating, giving the panel assembly a backer that aligns with fire performance needs where a Class A flame spread characteristic is important. The unlimited shelf life of PB42 means sheets stored in the shop remain functional over extended periods, reducing scrap from aged backer stock and supporting more predictable panel work. Sustainability details list Green Guard Gold certified and NAF (No Added Formaldehyde), which helps align finished panels with indoor air quality and formaldehyde-related specification requirements on commercial or residential projects.
The PolyBak PB42 veneer backer is supplied as a 61 inch by 121 inch sheet with a nominal thickness of .011 inch, supporting full-size panel layouts and light backer buildup.
PolyBak PB42 is described as an excellent balancing backer for substrates faced with wood veneers, helping the back side react similarly to the face and supporting flatter, more stable panels.
PolyBak PB42 is identified as a low cost balancing backer for substrates faced with decorative laminates, so it supports laminate-faced panels where balanced construction is important.
The product description lists PB42 as a paintable overlay, which lets it serve as a prepared back surface when a painted finish is part of the project design.
PolyBak PB42 has a Class A Flame Spread Rating, so panels using this backer draw on a back surface with Class A flame spread characteristics for fire performance considerations.
PolyBak PB42 is Green Guard Gold certified and NAF, meaning No Added Formaldehyde, which helps panel assemblies align with indoor air quality and low-formaldehyde project requirements.
PolyBak PB42 veneer backer from Richwood Industries combines .011 inch thickness, black color, and a 61 inch by 121 inch format to support balanced veneer and laminate panels. Its greater tensile strength and moisture resistance compared to Poly br Bak PGB, together with a Class A Flame Spread Rating, help it fit demanding shop and site conditions. With roles spanning balancing substrates faced with wood veneers, decorative laminates, and MDO for concrete forms, plus use as a paintable overlay, it adapts across varied panel builds. Selecting this PB42 sheet lets shops streamline backer choice while aligning with Green Guard Gold and NAF requirements.
Sold In: 1 Sheet