Outdoor Projects Answer to Different Rules
An outdoor build has to survive frost, water, and sun — and usually answer to a code book as well. A ramp must meet slope limits before anyone discusses lumber. A fence lives or dies by how far posts reach below grade. A gravel driveway is mostly a drainage decision, and a small retaining wall becomes an engineering question at about four feet.
The guides in this section cover the outdoor numbers that matter: ADA ramp slope, width, and landing requirements; gravel types, sizes, and depth by use; fence post spacing and how it changes with wind and panel weight; deck joist spacing and framing layout; what goes under pavers and slabs; and grading that moves water away from the structure instead of toward it.
For dimensions and quantities, start with the Ramp Calculator and the Concrete Calculator for footings, pads, and stoops.
ADA Ramp Requirements: Slope, Width, Landings, and Handrails
Gravel Basics: Types, Sizes, and How Much You Need
Retaining Wall Basics: Blocks, Drainage, and When a Wall Needs Engineering
Fence Basics: Post Spacing, Panel Sizes, and How Much You Need
Decking Basics: Joist Spacing, Board Sizes, and Framing Layout
Patio Base Basics: What Goes Under Pavers and Slabs
Outdoor Drainage Basics: Grading, Gutters, and Where the Water Goes
Landscaping Mulch and Soil Basics: Types and How Much You Need
Outdoor Stair Basics: Risers, Treads, and Outdoor Materials
Patio Roof and Pergola Basics: Sizes, Posts, and Loads
Use the Ramp Calculator and Concrete Calculator for outdoor projects that need measurements and quantities.