Korean / Sandwich Panel Calculators
Plan a sandwich-panel (Korean-style prefab) building with calculators for wall and roof panel quantities, fixing accessories, prefab foundations, and overall house cost across EPS, PUF, and Rockwool cores.
Check insulation performance with the R-value / U-value calculator to choose the right panel for Nepal's climate, from the Terai heat to higher-altitude cold.
Sandwich Panel House Cost (EPS, PUF, Rockwool)
Estimate Korean-style sandwich panel house construction cost from floor area, panel type (EPS/PUF/Rockwool), and panel thickness. NPR/INR/PKR.
Sandwich Panel Quantity Calculator (Wall Coverage)
Calculate the number of sandwich/EPS/PUF panels needed for a wall by length, height, openings, panel size, and wastage allowance.
Roof Panel Calculator (Sloped Coverage)
Calculate the number of roof sandwich panels needed from roof length, width, slope percentage, panel dimensions, and wastage allowance.
Insulation Performance Calculator (R/U Value)
Calculate R-value, U-value, and steady-state heat loss for sandwich panels with EPS, PUF, Rockwool, Glasswool, XPS, or PIR cores.
Prefab Foundation Calculator (Light Loads)
Recommend PCC plinth or strip footing volume for a Korean-panel or light prefab house from footprint and soil type. Sized for low loads.
Sandwich Panel Accessories Calculator (Screws, Sealant)
Estimate screws, sealant tubes, corner profiles, and J-trim metres needed to install a given area of sandwich panel walls.