CAP Tapissier d’ameublement en siège: foundations key terms

The seat’s rail framework, which helps connect the structure and supports the attachment of appropriate upholstery foundation and covering layers.

A padded armrest element on a seat, distinguished from the structural rail or the decorative braid finishing an edge.

A documented examination of an object’s structure, layers and damage before deciding the appropriate scope of an upholstery intervention.

A choice concerning retention, alteration or treatment of historical material, requiring appropriate competence and agreement rather than automatic replacement.

Strips forming a supporting foundation across a seat opening, whose material, tension and fastening must suit the actual assembly.

The tying and positioning of springs to develop a designed support profile, not a single universal compression percentage for every seat.

A strong foundation cloth used in a traditional assembly to support and separate the stuffing layer from the spring system.

A formed and stitched edge helping define and support the seat contour, rather than merely a decorative strip of final fabric.

Mass per unit volume, which must be distinguished from resistance to compression and does not alone determine a foam’s firmness.

A material’s recovery behaviour after deformation, which contributes to comfort and performance without being identical to density or initial softness.

The supporting system beneath the cushion or filling, which interacts with padding and covering to produce the finished seat response.

An intermediate cushioning or smoothing layer, whose compressed thickness and compatibility must be considered within the actual assembly.

The lengthwise yarn system of a woven fabric, running parallel to the selvedges and distinguished from the crossing weft.

A direction at forty-five degrees to the warp and weft in a conventional woven fabric, often useful for flexible curved work.

The recurring distance or arrangement of a motif, which influences layout when alignment or directional matching is required by the design.

Material beyond the intended seam line required for the particular stitching construction, not automatically the same as a fastening pull allowance.

A finish in which adjacent decorative nail heads touch, without specifying one universal diameter for every job or type of furniture.

Resistance to colour loss or transfer under a specified influence, whose result in one test does not prove every other treatment safe.

Measures controlling exposure for the work process, such as suitable source capture, rather than relying only on an individual respirator.

Checking the completed assembly against the agreed brief, including function, appearance, alignment, finish and relevant material or safety requirements.