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Fence Calculator

Calculadora de cerca metálica ornamental

Calcule painéis de alumínio ou aço ornamental, postes chumbados ou com flange, suportes e folgas para portões.

Calculadora de cercas

Insira suas especificações. Cada resultado é atualizado ao vivo e mostra sua fórmula.

pés
Configurações avançadas
Preços locais (opcional)

Insira seus próprios preços unitários locais para ver uma estimativa de custo. Deixe em branco para pular o custo.

Orçamentos salvos

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Insira o comprimento da sua cerca para ver o detalhamento completo de materiais e custos.

Visão geral

A cerca de metal ornamental combina o visual elegante do ferro forjado histórico com a resistência moderna do alumínio ou aço com pintura eletrostática.

E muito utilizada em piscinas, condominios e residencias que valorizam segurança e acabamento impecável sem obstruir a paisagem.

Premissas

  • Sections are 6ft or 8ft wide pre-assembled powder-coated metal panels.
  • Posts are 2x2 inch or 2.5x2.5 inch square metal tubing set in concrete or surface flanged.
  • Hardware packages include 4 mounting brackets and self-tapping stainless screws per panel.
  • Picket spacing complies with standard 4-inch sphere building safety codes.

Erros comuns

  • Não checar normas de segurança para piscinas quanto a altura e vão entre barras.
  • Instalar postes tortos impedindo o aparafusamento dos painéis rígidos nos suportes.
  • Deixar arranhoes na pintura sem retocar com primer contra ferrugem.
  • Usar buchas de fixação com flange em pisos de concreto finos ou trincados.

Fórmulas de cálculo da vedação

A mesma matemática da calculadora, em linguagem clara. Nada é uma caixa preta.

  • Tramos

    sections = max(ceil(effective run / post spacing), 1)

  • Contagem de postes

    posts = (sections + 1) along the run, minus named corner and end posts already placed, plus 2 gate posts per gate

  • Tramo efectivo

    effective run = total length - sum of gate widths

  • Contagem de travessas

    total rails = sections x rails per section

  • Contagem de ripas

    pickets = ceil(run in inches / (picket width + gap)); total = ceil(raw x (1 + waste %))

  • Passo board-on-board

    pitch = picket width - 1 inch overlap

  • Contagem de painéis

    full panels = floor(run / panel width); add 1 cut panel if the remainder is over 0.01 ft; total = ceil(raw x (1 + waste %))

  • Volume de concreto

    per-hole = pi x (diameter / 2)^2 x depth; total = per-hole x posts; bags = ceil(total / bag yield)

  • Comprimento ajustado à inclinação

    slope run = effective run / cos(atan(slope % / 100)); shown alongside, counts use the flat run

  • Custo

    materials = (posts x post price + rails x rail price + infill x unit price + 60 lb bags x bag price) x regional multiplier; labor = effective run x labor per ft x terrain multiplier x regional multiplier; installed total = materials + gate hardware + removal + permit + labor

Cada número mostrado pela calculadora sai destas fórmulas aplicadas aos teus dados.

Guias aprofundados

Guia de compra

The ornamental metal fence calculator works out panel counts, posts and bracket hardware for decorative aluminum or powder-coated steel fencing sold in pre-assembled sections, commonly 6 or 8 feet wide. Because panels bolt into brackets mounted on the posts rather than flexing to fit an arbitrary gap, post spacing has to match the panel width the manufacturer ships, which is the same constraint the plainer aluminum fence calculator works under for simpler ornamental aluminum runs. Posts themselves, whether square aluminum or steel tube, are set the same way any fence post on this site is sized, and the fence post calculator is a useful cross check if you want to compare the post count here against a plain picket or panel layout.

Ornamental metal is a common choice for pool enclosures because the open picket style satisfies sightline preferences while still meeting a barrier requirement, but the height and gap rules that make a barrier compliant, commonly a minimum around 48 inches with no opening wide enough for a 4 inch sphere, are set locally rather than by any calculator. The pool fence code compliance guide walks through what most US jurisdictions check, and the pool fence calculator is the more direct tool when the project is specifically a pool barrier rather than a general perimeter. Driveway and walk gates in an ornamental run need their own heavier posts to carry the swing and latch hardware; the fence gate calculator and the gate post calculator size those separately from the line post count here.

Posts in an ornamental run, whether anchored in concrete footings or surface mounted to an existing patio with flange plates, need to be set plumb before panels go in, since rigid pre-welded panels will not forgive a leaning post the way a built on site picket fence can. Choosing between aluminum and steel ornamental sections mainly affects weight, rust resistance and price rather than the panel math itself; the chain link fence calculator is worth running alongside this one for anyone comparing an open ornamental look against plain chain link on the same budget. Before setting posts anywhere near a property boundary, the property line and setback guide covers how setback rules and surveyed lines affect exactly where posts can go, which matters more for a permanent bolted panel system than for a fence that can be adjusted later.

Decorative metal panels sit at the higher end of per foot pricing among fence materials, so the aluminum vs wood vs vinyl vs chain link cost comparison and the broader fence materials guide are useful reading before ordering panels, since both cover where ornamental metal lands against the more common residential materials. The metal fence calculators hub links out to the plainer aluminum and chain link tools, along with the chain link post calculator, for anyone still deciding between a fully ornamental system and a simpler metal fence for the same run. Powder coating quality is the main factor in how long an ornamental system looks new, and a properly coated galvanized or aluminum section commonly holds up for decades with nothing more than occasional washing, which is part of why the material costs more per foot up front than chain link.

Rackable panels, which allow the horizontal rails to pivot slightly within the picket sleeves, are what make ornamental metal workable on sloped ground, typically up to 20 or 30 degrees of grade depending on the manufacturer, while keeping each picket plumb rather than following the slope's angle the way a solid panel would. Not every ornamental product line offers a rackable option, so this is worth confirming before a slope is involved in the layout, since a non-rackable panel on sloped ground either leaves a triangular gap under the lowest point or forces a stepped installation with more individual panel sections than a flat run of the same length would need. Stepping changes the panel count this calculator would otherwise return, since each step is effectively its own shorter panel run rather than one continuous length, so slope should be identified and discussed with the panel supplier before the post layout is finalized.

Surface-mounted posts, using welded base plates or flange shoes bolted into an existing concrete patio or wall cap, are a common alternative to posts set in their own footing, particularly for a short ornamental run along a pool deck. That approach depends entirely on the existing concrete being thick and sound enough to hold the anchors, commonly a minimum of about 4 inches of reinforced slab, and a thin or cracked patio edge is not a reliable anchor point regardless of how good the hardware is. Where the existing concrete is marginal, a post set into its own footing next to the slab, rather than bolted to the slab itself, is usually the safer approach, and this calculator's post count treats both mounting methods the same way since the difference is in the anchoring hardware rather than the number of posts needed.

Perguntas frequentes

Qual a diferença entre alumínio e aço ornamental?

O alumínio e leve e 100 por cento resistente a ferrugem. O aço e mais pesado e resistente a choques mecânicos.

Esses painéis atendem a normas de piscinas?

Sim, desde que tenham pelo menos 48 ou 54 polegadas de altura e espaçamento inferior a 4 polegadas entre barrotes.

Como os painéis são fixados nos postes?

Através de suportes metálicos com pintura eletrostática fixados com parafusos auto-atarrachantes de inox.

Podem ser montados em declives?

Sim, painéis articuláveis permitem inclinar as barras horizontais até 20 ou 30 graus mantendo os barrotes verticais.

Qual a profundidade para engastar os postes na terra?

De 24 a 36 polegadas de profundidade em cavas com concreto de 6 a 8 polegadas de diâmetro.

Podem ser fixados sobre calçadas de concreto existentes?

Sim, usando postes com sapatas de flange chumbadas com parabolts em concreto de pelo menos 4 polegadas.

Qual a largura padrão de portões ornamentais de garagem?

Portões simples variam de 10 a 12 pés; portões duplos de abrir vão de 12 a 20 pés de vão livre.

Quanto tempo dura a pintura eletrostática a pó?

Um revestimento de poliester de qualidade sobre metal galvanizado dura de 20 a 30 anos sem descascar.