Comprehensive definitions of common construction terms, materials, and techniques. Free reference for builders, contractors, and DIY enthusiasts.
Learn what aggregate is in construction. Understand aggregate types, sizes, how to calculate aggregate quantities, and see examples for concrete and roadbase.
Learn what backfill is in construction. Understand backfill materials, compaction methods, how to calculate backfill volume, and see examples for foundation work.
Learn what beams are in construction. Understand beam types, load calculations, span limits, and see examples for structural design.
Learn what bearing capacity is in construction. Understand soil bearing capacity, safety factors, how to calculate footing size, and see examples.
Learn what concrete curing is in construction. Understand curing methods, time requirements, temperature effects, and see examples for proper concrete strength.
Learn what concrete mix is in construction. Understand concrete mix ratios, strength grades, how to calculate mix proportions, and see examples.
Learn what deductions are in construction estimating. Understand how to calculate deductions for openings, subtract areas, and see examples for material takeoffs.
Learn what drywall is in construction. Understand drywall types, thickness, how to calculate drywall sheets, and see examples for wall finishing.
Learn what elevation is in construction. Understand elevation drawings, grades, how to calculate elevation changes, and see examples for building plans.
Learn what finish grade is in construction. Understand grading, slope requirements, drainage calculations, and see examples for proper site preparation.
Learn what footings are in construction. Understand footing types, dimensions, how to calculate footing size, and see examples for building foundations.
Learn what footing drainage is in construction. Understand drain tiles, French drains, how to calculate drainage capacity, and see examples for foundation waterproofing.
Learn what formwork is in construction. Understand formwork materials, how to calculate formwork area, and see examples for concrete pouring.
Learn what foundations are in construction. Understand foundation types, depth requirements, how to calculate foundation size, and see examples.
Learn what grade beams are in construction. Understand grade beam design, how they differ from footings, and see examples for foundation systems.
Learn what gravel is in construction. Understand gravel types, sizes, how to calculate gravel quantities, and see examples for driveways and base material.
Learn what headers are in construction. Understand header sizes, load calculations, and see examples for door and window openings.
Learn what joists are in construction. Understand joist spacing, span tables, and see examples for floor and ceiling framing.
Learn what lumber grades are in construction. Understand lumber grading, strength ratings, and see examples for selecting the right lumber.
Learn what on-center (OC) spacing means in construction. Understand OC spacing measurements, stud layout, and see examples for framing.
Learn what pitch is in construction. Understand roof pitch calculations, slope ratios, and see examples for roofing projects.
Learn what rebar is in construction. Understand rebar sizes, grades, spacing, and see examples for concrete reinforcement.
Learn what shear walls are in construction. Understand shear wall design, bracing, and see examples for lateral load resistance.
Learn what sill plates are in construction. Understand sill plate installation, anchor bolts, and see examples for foundation connections.
Learn what concrete slabs are in construction. Understand slab types, thickness requirements, how to calculate concrete volume, and see examples.
Learn what span is in construction. Understand span calculations, load tables, and see examples for beams, joists, and rafters.
Learn what square footage is in construction. Understand how to calculate square footage, area formulas, and see examples for flooring and painting.
Learn what studs are in construction. Understand stud spacing, sizes, and see examples for wall framing.
Learn what subfloor is in construction. Understand subfloor materials, thickness, and see examples for floor installation.
Learn what topsoil is in construction. Understand topsoil depth, calculation, and see examples for landscaping and lawn preparation.
Learn what underlayment is in construction. Understand underlayment types, thickness, and see examples for flooring installation.
Learn what voltage drop is in construction. Understand voltage drop calculation, wire sizing, and see examples for electrical installations.
Learn what wattage is in construction. Understand electrical wattage, load calculations, and see examples for electrical planning.