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Calcimator

Terra Cotta Cladding Calculator

Unit count and sub-frame for terracotta rain screen.

About this calculator

Total Weight (lbs) is a simple product: Wall Area × 10 lb/sqft, a fixed weight-per-area assumption for terracotta rainscreen. It does NOT respond to Panel Depth (in) -- the input labeled "Depth (thickness) of the extruded terracotta profile" -- even though a thicker profile intuitively carries more clay per square foot. Verified across the full 0.75-3 in depth range against every other output this calculator produces (Panels to Order, Net Panels Needed, Horizontal Rail, Panel Clips, Sealant Tubes), Panel Depth is completely inert: it plays no role anywhere in this calculator's math.

Treat it as a specification field for matching your chosen product, not a driver of any quantity or weight figure shown here. Wall Area dominates Total Weight (lbs) -- it's the only input among all six that moves this figure at all, since 10 lb/sqft is a fixed constant regardless of panel geometry. Panels to Order responds inversely to Panel Exposure Height: a taller exposed panel face covers more wall area per unit, so fewer panels are needed to cover the same Wall Area -- this inverse relationship holds across Panel Exposure Height's full 3-24 in range.

Inputs

sq ft
in
in
in
in
ft
%

Results

Panels to order

672

Total weight (lbs)

8,000

Net panels needed600
Horizontal rail (LF)1,156
Panel clips1,344
Sealant tubes85
How to Use This Calculator
  1. Enter Net Wall Area in sq ft and set Panel Length, Depth, and Panel Exposure Height in inches.
  2. Enter Joint Width and Facade Height in feet — taller facades need more horizontal rail levels.
  3. Set Waste Allowance to at least 12% — terracotta is fragile and installation breakage is common.
  4. Review Panels to Order, Horizontal Rail (LF), Panel Clips, Total Weight (lbs), and Sealant Tubes.
  5. Use Total Weight to confirm the structure can handle the dead load of the cladding system.

How the result changes with Panel length (in)

Panel length (in)Panels to orderTotal weight (lbs)
121,3448,000
188968,000
364488,000
483368,000

What each input means

Wall area (sq ft)
Net facade area to receive terracotta cladding.
Panel length (in)
Length of each terracotta extrusion.
Panel depth (in)
Depth (thickness) of the extruded terracotta profile.
Panel exposure height (in)
Visible height of each terracotta panel after lapping.
Joint width (in)
Open or sealed joint width between panels.
Facade height (ft)
Total height of the terracotta-clad area.
Waste allowance (%)
Extra for cuts, breakage (terracotta is fragile).

What each result means

Panels to order
Total terracotta panels including waste.
Net panels needed
Minimum panels without waste.
Horizontal rail (LF)
Linear feet of aluminum horizontal support rails.
Panel clips
Stainless steel clips for top-hung panel attachment.
Total weight (lbs)
Dead load of terracotta cladding on the structure.
Sealant tubes
Tubes of joint sealant (10.3 oz each).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Wall area (sq ft) = 800, Panel length (in) = 24, Panel depth (in) = 1.25, Panel exposure height (in) = 8 = 7 input(s) provided
  2. Calculate Panels to order
    Panels to order = ceil(netPanels * (1 + wastePct / 100))
    672 = 672
  3. Calculate Total weight
    Total weight = wallArea * weightPerSqFt
    8000 = 8000
  4. Calculate Net panels needed
    Net panels needed = ceil(wallArea / coveragePerPanelSqFt)
    600 = 600
  5. Calculate Horizontal rail
    Horizontal rail = numRows * approxWallWidth
    1156 = 1156

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Does entering a thicker Panel Depth increase Total Weight (lbs)?

No. Total Weight (lbs) is calculated as Wall Area × a fixed 10 lb/sqft assumption, and Panel Depth (in) -- despite being labeled the terracotta profile's thickness -- doesn't appear anywhere in that formula. Verified across the calculator's full 0.75-3 in depth range against every output it produces, Panel Depth has zero effect on Total Weight, Panels to Order, Horizontal Rail, Panel Clips, or Sealant Tubes.

What does Panel Depth actually affect in this calculator?

Nothing -- verified across its full declared range against all six outputs, Panel Depth is completely inert. Use it to record or match your chosen terracotta profile's specification, but don't expect changing it to move any quantity, weight, or sealant figure this calculator computes.

What's the only thing that changes Total Weight (lbs)?

Wall Area alone -- verified as the sole input among all six that moves this figure. Total Weight is simply Wall Area × a fixed 10 lb/sqft assumption; Panel Length, Panel Depth, Panel Exposure Height, Joint Width, Facade Height, and Waste Allowance all leave it unchanged.

Why do I need fewer panels when I increase Panel Exposure Height?

A taller exposed panel face covers more of the wall per panel, so the same Wall Area needs fewer panels to cover it -- this inverse relationship holds across Panel Exposure Height's full 3-24 in range in this calculator.

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