Law of Cladding

Definition

The Law of Cladding is Braham's name for the principle Adolf Loos articulated in "The Principle of Cladding" (1898, in Spoken into the Void): the rule that a material's surface treatment must not imitate another material. Its analytical significance, in Braham's account, is that the law converts the entire question of finishes into a question of imitation — and that exclusion of imitation "leads directly to the difficult pursuit of authenticity that characterizes the natural/neutral palette. Admitting the imitative practices faux-bois or faux-marbre, for example, opens the door to all applied ornament." The Law of Cladding is thus the hinge between materials doctrine and the ornament debate: regulate coating materials by the imitation question, and the whole regime of applied decoration stands or falls with it.

Braham situates the Law in a trio: "It is little wonder that the efforts of Owen Jones, Gottfried Semper, or Adolf Loos to regulate the logic of coating materials turns on the question of imitation" — Jones's Grammar of Ornament (Proposition 35), Semper's Four Elements of Architecture, Loos's "Principle of Cladding" each proposing a rule for how surfaces may be coated. The pursuit of authenticity the Law generates is the operative core of the natural/neutral palette: once imitation is excluded, every finish must be authenticated as "natural" — a pursuit whose impossibility Braham demonstrates (the stain/paint distinction being technically near-empty, white paint "felt to constitute the natural color"). The Law is thus the point where the modernist materials doctrine meets the decorative economy: what is forbidden on the surface is the sign of another surface.

Key Thinkers

• Adolf Loos — the principle's author: "The Principle of Cladding" (Das Prinzip der Bekleidung, 1898, Spoken into the Void); cladding as the architect's legitimate material operation, imitation as its forbidden form.
• William W. Braham — the concept's analytical frame: the Law as the natural/neutral palette's authenticity-pursuit, with ornament as its admitted alternative.
• Owen Jones — the trio's first member: Grammar of Ornament (1856), Proposition 35, regulating coating logic.
• Gottfried Semper — the trio's theorist of cladding: The Four Elements of Architecture (on the question of authenticity in painting or cladding).
• Robin Middleton & David Van Zanten — the historians of nineteenth-century structural polychromy and "Colour and Cladding in the Nineteenth Century" who document the background (Braham's sources; not yet paged — see log).

Related Concepts

• Natural Finishes — the palette whose "difficult pursuit of authenticity" the Law generates by excluding imitation.
• Architectural Ornament — what admission of imitation opens the door to: "all applied ornament."
• Chromophobia — the chromatic wing of the same regime: paint as artifice and impermanence against "natural" colour.
• Style — the Semper line (craft, cladding, dressing of surfaces) within the modern definition of style.
• Authenticity — the concept the Law institutionalizes and Braham demystifies ("authenticity is simply a matter of appearances"); no page yet (see log).

Source Support

Sources in the wiki that discuss this concept:

• A Wall of Books (Braham 1999/2006) — the imitation hinge: Jones, Semper and Loos regulating "the logic of coating materials" (p. 58); Loos's Law of Cladding and the authenticity pursuit; faux-bois/faux-marbre as the admitted counter-case (p. 58); the note citing Loos, "The Principle of Cladding," Spoken into the Void (MIT Press, 1982, pp. 66–9).
• Toward the immaterial interior (Jacobus 2018) — the Law's endgame case, where cladding dispenses with material legibility altogether: "In projects like the Eberswalde Library by Herzog and de Meuron, the physical materiality of an exterior building surface disappears through a new graphic reading that hybridizes concrete and glass into a single unified envelope… many contemporary examples seem to eliminate the physical material entirely in favor of the new depth of readability in the graphic itself… a graphic field replaces what would otherwise be read as physical (and knowable) material." The Law regulated how a surface may imitate another material; the graphic envelope does not imitate any material — it replaces material-reading with readability. Where Loos's law polices the surface's truth to matter, Jacobus's dematerialized surface is true to a graphic — the Law's scope question radicalized (see dematerialization, representation).
• From Wiener Kunst im Hause to the Wiener Werkstätte (Houze 2002/2006) — the Law's Vienna genealogy and its dress origin, supplying the page's open question directly: Houze traces the cladding theory from Semper's Bekleidungsprinzip — "Woven mats… which were originally hung to divide the space of a room, eventually became structural walls, which retained the woven texture of fiber in new materials, such as brick or stone" (p. 158) — through Wagner to both Hoffmann's ornamental dressings and Loos. Although "extremely hostile towards the Secession and the Wiener Werkstätte… for the latter's reliance on excessive ornamentation," Loos's understanding of the interior as dress "was quite similar to Josef Hoffmann's, and grew out of the same architectural theories of cladding introduced by Gottfried Semper in the mid-nineteenth century, and further developed by Otto Wagner in the early twentieth" (p. 159). The chapter reprints the full "Principle of Cladding" passage Braham's note cites: "The architect's general task is to provide a warm and livable space. Carpets are warm and livable. He decides for this reason to spread out one carpet on the floor and to hang up four to form the walls. But you cannot build a house out of carpets. Both the carpet on the floor and the tapestry on the wall require a structural frame to hold them in the correct place. To invent his frame is the architect's second task" (p. 159). The Law's hidden content is thereby exposed: the imitation rule polices a dress economy — "this form of feminine dress had as much to do with the idea of 'cladding' a space in cloth – a flexible, organic, fiber material – as it did with a particular style or fashion of clothing" (p. 160; see interior-as-garment).
• Ultrasuede (Wagner 2002/2006) — the Semper–Loos hinge given its fullest direct quotation: Semper's textile-origin thesis ("Hanging carpets remained the true wall, the visible boundaries of space… Even where building solid walls became necessary, the latter were only the inner, invisible structure behind the true and legitimate representatives of the wall, the colorful woven textiles," quoted p. 382) and the Loos passage in the version closest to its source ("Carpets are warm and livable… But you cannot build a house out of carpets… To invent this frame is the architect's second task," quoted p. 382). Wagner's distinctive contribution is the Loos reading the other pages lack: Loos "did not attempt to imbue an ethical relation between wall covering and building structure… it is not an argument for articulation, or an ethical orchestration of parts. He wanted to theorize the surface itself, the covering, which he called 'the oldest architectural detail.' For him, the detail is not a point of connection or inflection, but a continuous veneer more a mask than a joint" (p. 382) — and Loos thereby "offers a way of conceiving architecture unburdened from responsibilities of ethical expression, from the belief that the rhetorical articulation of the material facts of building somehow lie within the territory of honesty or truth" (p. 383). The Law's honesty-question is here explicitly de-politicized by its own author's interpreter: the covering is a mask, and that is architecture's freedom, not its crime. See interior-as-garment, ornament-vs-purity.

Open Questions

• Is the Law of Cladding the hidden presupposition of the ornament debate — i.e., does "Ornament and Crime" depend on the earlier cladding doctrine (surface truth) rather than vice versa?
• Houze's Vienna evidence partially answers the page's Semper question: cladding's legitimacy is Semper's dressing thesis (the textile wall), and Loos's Law restricts it — the carpets passage grants the hung carpets the architect's first task ("a warm and livable space") while assigning the frame the second. Is the Law therefore not an anti-dressing rule but a division of labour within dressing — cloth as comfort, frame as structure — from which the imitation rule follows as a third, specifically decorative prohibition? See interior-as-garment, source-notes/houze-2006-wiener-kunst-im-hause.
• Does the Law have a contemporary afterlife in digital fabrication (printed finishes, digital marbling) — is digitally simulated material imitation a new faux-bois, and does the "delimited palette" thesis reinstate the Law? Jacobus's graphic envelope (Eberswalde Library) poses the stronger version: the contemporary surface does not imitate another material but "eliminate[s] the physical material entirely in favor of the new depth of readability in the graphic itself" — is a surface with no material to be true to inside the Law's jurisdiction at all, or the Law's terminal case?