Buildings, materials, and how they stand up
Lumber Prices Dropping in 2026 Despite Tariffs
Lumber fell despite 2026 tariffs as housing starts slid. Compare Madison’s $558 benchmark with futures, forecasts, and your framing package.
By Clara Voss · 2026-08-31Latest
Rebar Tariffs 2026: Why Slab Costs Barely Move
Commerce’s 2026 rebar duties reach 136.57%, but targeted imports are under 5% of supply. Test the slab-cost effect and check shipment caveats.
Steel Tariff Impact on Construction Costs in 2026
Trace steel price changes through material, fabrication, erection, and the total budget, then calculate the likely cost effect on your own project.
Subfloor Types: Plywood, OSB, Concrete & Planks
See how supporting structure, spacing, loads, moisture exposure, finished flooring and installation method determine the right choice.
Basement Crack Guide: Warning Signs, Causes and Repairs
A basement crack is evidence, not a diagnosis. Its direction can provide an initial clue, but visual inspection cannot establish structural safety or identify…
Flying Buttress vs Buttress: Key Structural Differences
Every flying buttress is a buttress, but not every buttress is a flying buttress.
Expansion Joints in Brickwork: Spacing, Placement & Details
Brick looks rigid, but a brick wall is not dimensionally fixed. Temperature and moisture conditions change its dimensions, clay brick develops long-term…
More articles
Can Synthetic Fiber Replace Rebar in Slab on Grade?
Learn when macro-synthetic fiber can replace distributed slab steel, which bars must stay, and how to compare project quotes per square foot.
Can You Build Mass Timber in Florida? 2026 Code Guide
Florida permits some mass-timber projects, but its 2026 code omits tall-timber Types IV-A/B/C. Check story limits and local approval routes.
Canadian Plywood Tariff Cost per Sheet Calculator
Estimate the conditional 50% Canadian plywood duty per sheet, compare plywood and OSB project costs, and see which classifications need verification.
Standard Concrete Masonry Unit Dimensions: Nominal vs. Actual CMU Sizes
The most frequently encountered full-size concrete masonry unit in U.S. construction is nominally 8 × 8 × 16 inches. That designation does not mean the block…
Masonry Construction: Materials, Wall Systems, Benefits & Uses
Masonry construction is not a single material or wall type. It is a family of assemblies built from individual units such as brick, natural stone, concrete…
Steel Beam Span Tables: How to Read and Use Them Safely
No steel beam can be selected safely from span alone. Span matters, but so do loads, tributary width or beam spacing, support arrangement, continuity, steel…
Concrete With Rebar: How Reinforced Concrete Works
Concrete containing reinforcing bars is reinforced concrete: a composite material in which concrete, steel, and the bond between them work together. Concrete…
Roof Plywood Thickness by Framing Spacing and Rating
Rated 1/2-inch plywood at 16-inch centers and 5/8-inch plywood at 24-inch centers are reasonable starting points, but neither is a complete specification.
What Changes With Glass Fiber Reinforced Polymer Rebar
Cured GFRP bars generally should not be bent on site. Required hooks, stirrups, ties and other shapes should be factory-fabricated from an approved schedule.
Floor Trusses vs Floor Joists: Span, Services and Cost
Joists split into solid-sawn and I-joist systems. Truss webs create useful service zones, but their openings and obstructions are fixed once fabricated.
Rebar Cage Anatomy, Options and Constraints
It must provide the reinforcement required by the design, remain stable during handling and leave enough room for concrete to surround the steel.
Carbon Fiber Modulus Varies by Form and Direction
The applicable value depends on material level: filament, ply, laminate or finished product. It must also match load direction and test basis.