Ideas Library · Facade
A Screen Standing Off in Front of the Wall
An outer layer that is not cladding: a screen held away from the wall on its own supports and read as a facade in front of a facade. It veils openings rather than shading them, gives a flat elevation depth, and introduces a gap that has to stay reachable.
Where this idea works
Where this idea works
Contexts this direction tends to suit — and, honestly, where it may not.
- Flat elevations that would gain depth without changing the wall behind them
- Elevations where openings need veiling from a street or a neighbour rather than blocking
- Walls where a screen can be supported off something structural rather than off cladding
- Elevations where a plainer wall behind is acceptable because the screen is what is seen
Where it may not fit
Where it may not fit
- Walls with nothing suitable to fix a screen back to — a structural question for a professional
- Rendered insulation facades and similar build-ups where fixings are difficult — a matter for a qualified professional
- Positions where the gap behind the screen could not be reached for cleaning or inspection
Planning
Planning considerations
- Everything about a standoff screen meets at the bracket, and what those brackets reach is a question for a qualified professional
- A screen is an added surface that catches wind, so its loads and fixings are an engineering matter rather than a site choice
- Whether a layer in front of an elevation raises any requirements, including within a cavity, is confirmed with the relevant authority
- Decide early how the gap behind the screen is reached, because a screen that cannot be cleaned behind becomes a problem
Layout
Layout considerations
- The gap matters as much as the screen: too tight and it reads as cladding, too wide and it reads as a separate structure
- A screen that stops at an arbitrary point reads as unfinished, so where it begins and ends is part of the design
- Spacing decides how much is veiled and how much is seen, and it changes completely with viewing angle
- The screen casts a moving shadow on the wall behind, so that wall's colour is part of the effect
Materials & finishes
Materials and finishes to discuss
Named generically as starting points to discuss with professionals — not specifications, and not priced.
- The screen is exposed on both faces and dries on both, which is different from cladding held against a wall
- Every fixing is a penetration through a finished wall, and each one has to stay sealed
- Debris, leaves and nests collect in the gap unless the geometry discourages them
Maintenance & durability
Maintenance and durability questions
- The gap behind the screen needs to be reachable for clearing, or it will not be cleared
- Screen fixings want periodic inspection given the wind loads they carry
- A screen element damaged from the street side has to be replaceable without dismantling the whole run
Professional review
What to ask a qualified professional
Bring these questions to a designer, contractor or the relevant qualified professional or authority.
- What would a screen at this position be fixed back to, and can that background carry it?
- How would the fixings be sealed where they pass through the finished wall?
- What wind loading would a screen of this openness attract on this elevation?
- How would the gap behind the screen be reached for cleaning and inspection?
- Does adding a layer in front of this wall raise anything to confirm with the relevant authority?
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