Villa Roof-Runoff Gutter Capacity, Valley-Overshoot & Downspout Orifice Sizer

Deterministic EN 12056-3 wind-driven effective roof area A_eff = A_h + 0.5*A_v + Manning half-round gutter open-channel capacity & weir/orifice outlet transition engine (.pdf, .svg, .dxf, .json) built for Lindab, Rheinzink, Prefa, Zambelli — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

DETERMINISTIC VERDICT

Double-click 2.4× zoom · Drag to pan / 3D orbit

Free Deterministic X-Ray Preview

Running ephemeral Wasm verification…

Verified Engineering Output

Instant unlock via Apple Pay / Card (Paddle Merchant of Record) · 1-click automated refund, zero support tickets.

HeyCheck Cloud Compilers · Deterministic Zero-Upload Wasm Execution Terms Privacy Refund Policy