LAID Paving & Patio Calculator

LAID (Laying And Inception Device) is a paving and patio calculator app that helps DIYers and professionals plan layouts, calculate materials, and track slab laying on site.

Use LAID to calculate paving quantities, design accurate patio and paving layouts, and follow your pattern as you lay each slab, using real slab sizes, mixed packs, and metric measurements.

Whether you’re planning a new patio at home or managing a paving job on site, LAID helps you measure correctly, reduce waste, and avoid costly mistakes by combining calculators with visual layout design and progress tracking.

Key features:

• Paving & patio calculators for fall, sub-base, and bedding course
• Layout design tools using real slab sizes and mixed packs
• Track slab laying progress as you work on site
• Accurate measurements, spacing, and material quantities
• Save, load, import, and export designs for reuse
• Works offline, with no subscription required

LAID is designed for practical, real-world paving, helping you move from planning to laying with confidence.

Windows version available
Prefer to design on a bigger screen? A Windows desktop version of LAID is available from our website:
https://layingaid.app