How to Sister a Joist: When It Works and How to Do It Right
How to sister a joist: when sistering fixes a cracked or sagging floor joist, lumber vs LVL vs steel channel, code notch limits and the mistakes to avoid.
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Floor Joist Spacing: 12, 16, 19.2 or 24 Inches On Center?
Standard floor joist spacing is 16 inches on center. See when 12, 19.2 or 24 inches makes sense, how spacing affects span and subfloor, and deck joist spans.
Joist Hangers: Types, Nails, Sizing and How to Install Them Right
How joist hangers carry load, the main types, how to size one, which nails and screws to use, coating rules for decks and treated lumber, and common mistakes.
How to Tell If a Wall Is Load Bearing: 7 Checks Before You Cut
Seven checks to tell if a wall is load bearing: joist direction, what sits below, stacked walls, roof framing, point loads, and signs that prove nothing.
Truss vs Joist: What’s the Difference and Which Should You Use?
Truss vs joist explained: how each carries load, spans, mechanical runs, who designs them, and why trusses can’t be cut. Covers roof and floor framing.
Steel Column Guide: W-Shape vs HSS vs Pipe, With Real Size Data
How steel columns work and how W shapes, square HSS tubes and round pipe compare, with AISC weights and radius of gyration for 11 common column sections.
What Is Structural Steel Fabrication? The Shop Process Step by Step
Structural steel fabrication explained step by step: shop drawings, mill certs, cutting, drilling, welding to AWS D1.1, coating and shipping to the site.
Rust Prevention Coatings for Steel: Paint vs Galvanizing vs Metallizing
How to stop structural steel rusting: ISO 12944 environments, blast cleaning, paint systems, hot-dip galvanizing, duplex and thermal spray coatings compared.
Can You Paint Galvanized Steel? Yes, If You Prep It Right
Yes, you can paint galvanized steel. Learn the three surface conditions, how to clean and profile the zinc, and which paints stick and which ones peel off.
Galvanized Steel vs Stainless Steel: Which One Do You Need?
Galvanized vs stainless steel: how each resists rust, 304 vs 316, a side-by-side comparison, which to choose, and why mixing the two can corrode the zinc.