Biscuit Baking Belts and Rolled Baking Band

Biscuit Baking Belts Overview

A Biscuit Baking Belt is a woven metal spiral belt that is rolled to reduce its thickness and provide a flat carrying surface. The overlapping wire structure retains an open mesh for airflow and moisture release. Its relatively low mass and thin construction support responsive heating and cooling in a suitable oven system.

Rolled Mesh Construction and Friction Drive

PFM Screen Biscuit Baking Belts are made from interlinked spiral wire mesh that is flattened through a controlled rolling process. Rolling produces a thinner, flatter support surface while retaining openings between the wires. The mesh remains an open wire structure rather than a continuous solid sheet.

The band is normally friction-driven by a drum, commonly at the oven outfeed. Traction depends on drum contact, wrap angle and suitable tension. Correct drum alignment, belt tracking, support and take-up remain necessary; friction drive does not eliminate sideways forces or prevent every tracking problem.

Materials and Operating Conditions

Carbon steel is the standard material for this product range and is commonly used in dry biscuit-baking applications. Heat transfer depends on the wire material, mesh geometry, contact with the product and the oven heating system. Any grid impression on the biscuit base comes from the mesh contact pattern, not from carbon steel alone.

Specify normal and peak oven-zone settings, actual belt temperature where known, exposure time and start-up/shutdown conditions. The allowable operating temperature must be confirmed for the supplied belt, joint, load and oven arrangement.

SS304 stainless steel is available on request where corrosion resistance is needed. For humid or steam-injected ovens, assess condensation and cleaning exposure as well as baking conditions. Select cleaning agents and procedures for the actual material; SS304 is not automatically suitable for aggressive chloride-based sanitising.

Product Support and Dough Suitability

Rolled Baking Bands are used for suitable hard biscuits, crackers, cookies and shortbread in straight-through tunnel ovens. Their flat mesh supports the dough pieces and allows heat and vapour to pass through the belt. Finished colour, moisture and shape also depend on the recipe and oven settings.

For soft, sticky, high-fat or highly fluid doughs, check whether the dough spreads into the mesh, sticks during release or leaves deposits. High fat content alone does not determine suitability. Confirm the recipe and product size through application review or a baking trial.

Where the dough needs continuous support, consider an oven-compatible solid steel baking band or trays. Perforated bands or plate-link belts require a separate assessment of openings, joints, drive arrangement and product support; they are not automatic replacements for a rolled baking band.

Replacement Belt Selection

PFM Screen Rolled Baking Bands are in service in biscuit tunnel ovens worldwide, compatible with straight-through oven systems from all major biscuit line OEMs including Baker Perkins, Spooner Vicars, and Haas-Meincke. 

The Z47 is the most widely used specification and the global benchmark for high-volume biscuit production. Besides Z47, PFM Screen stocks Z47R, Z28, and Z48 — four standard specifications that differ in spiral pitch, wire diameter, belt pitch, belt thickness, and weight per square metre to suit different oven configurations and product ranges.

Rolled Baking Oven Belt Advantages

Compared with a continuous solid surface, the open mesh provides paths for airflow and vapour movement around the product. This can support moisture removal and the required baking profile, but does not by itself guarantee blister-free bases or uniform results across the oven.

The mesh may leave a recognisable grid impression on the biscuit underside. This is a surface appearance associated with contact on a mesh belt, not an independent quality certification. Belt openness, thermal mass and product contact should be considered together when comparing rolled bands with solid steel bands or heavier woven belts.