Furniture Testing Blog - Standards, Methods & Equipment Guides

Mattress test planning and laboratory equipment EN 1957 helps laboratories evaluate mattress durability and hardness under a defined procedure. For manufacturers, the practical task is to turn the requested evaluation into a repeatable setup: the correct specimen and support, suitable loading equipment, consistent measurements and a report that explains the results. Quick answer: Confirm that the product falls within EN 1957’s scope, identify the applicable edition and test items, and match the equipment to the loading and measurement functions required. Keep hardness or firmness rating separate from comfort and quality claims. Use the specified procedure and agreed criteria when evaluating the result. 1. What Is the Scope of EN 1957? EN 1957 addresses functional characteristics of beds and mattresses, including durability and hardness. Its scope covers mattresses and fully erected beds with mattresses; mattress pads are included when they form a unit with the mattress. Water beds, air beds and children’s cots are outside its scope. BS EN 1957:2012 is the British adoption listed by BSI. Identify the edition requested by the buyer or laboratory before planning the evaluation. Also record whether the sample is a mattress alone or part of a complete bed arrangement. For equipment planning, the mattress…

A sofa fatigue test evaluates how an assembled sofa responds to a specified repeated-loading procedure. For manufacturers and laboratories, the useful questions are which parts of the sofa are being assessed, which requirement applies, and which loading and inspection arrangements are needed. Do not start with one generic force or cycle count for all sofas. Domestic seating, public lounge seating, modular designs and recliners can require different test scopes. This guide explains how to define that scope and select equipment without confusing cyclic structural loading, impact and foam material evaluation. 1. Define the Intended Use Before Selecting a Standard Domestic Seating For a domestic sofa project, review the applicable EN 12520 requirements and contract edition. EN 12520:2024 is the published edition used as a reference here. Public and Lounge Seating ANSI/BIFMA X5.4-2020(R2025) addresses public and lounge seating, including relevant multi-position seating. It is not a blanket rule for every sofa sold in North America. Other Product Features Reclining mechanisms, sofa-bed functions, electrical features or specialised uses may add requirements beyond the selected structural fatigue procedure. EN 1728 provides structural seating strength and durability test methods, while the relevant requirements come from the end-use standard or agreed specification. Its scope does…

Mattress laboratory planning and equipment selection A mattress can retain its height while becoming softer, or develop a local depression while other areas remain firm. A useful durability test records these changes under a defined loading and measurement procedure. This guide helps manufacturers and laboratories plan ASTM F1566 testing, distinguish Cornell-type and rollator equipment, and prepare the information needed for a suitable test system. Quick answer: Start with the requested standard edition, test item and mattress construction. Confirm the loading mechanism, specimen support, measurements and buyer acceptance criteria before choosing equipment. Compare before-and-after results using the same measurement conditions. A test-method reference alone does not establish a universal pass/fail limit or guarantee a mattress service life. 1. What Does ASTM F1566 Mattress Testing Cover? ASTM F1566 is a set of test methods for evaluating innersprings, boxsprings, mattresses and mattress sets. Depending on the selected method and specimen, the evaluation can address firmness, firmness retention, durability, impact response and height change. It should not be reduced to one machine, one cycle count or one mandatory test for every mattress. “Cornell test” is commonly used in equipment enquiries to describe a mattress setup applying repeated localized loading through a formed loading head….

A chair durability result is meaningful only when the test action, specimen setup and observations are clear. Office chairs can change at the seat, back, swivel, base, arm or connection, and each action needs an appropriate method and fixture. This guide explains what to inspect and report when planning ANSI/BIFMA X5.1 work; it is not a table of official loads or a certification claim. BIFMA lists the general-purpose office-chair designation as ANSI/BIFMA X5.1-2017(R2022). A reaffirmation is not a new “X5.1-2022” edition with automatically changed occupant mass, forces or cycles. Check the licensed edition and purchaser requirement before setting a machine. 1. Match the Chair to the Correct Seating Scope General-purpose office and institutional chairs are within BIFMA’s X5.1 description. Public/lounge seating and large-occupant office chairs have separate BIFMA scopes. A chair with an unusual use pattern, geometry or adjustment may need additional review. If scope is uncertain, begin with the X5.1 scope guide rather than assuming every chair sold to an office follows the same programme. 2. Distinguish the Durability Actions Seat and back cycling Repeated loads act on the assembled chair at selected locations. Inspect structural joints, supports, back connections and functional change as specified by the procedure. Swivel…