Construction Guides & Standards
Construction guides and industry standards used in our calculators for accurate material estimation and professional construction planning.
Deck Construction Guide: Joists, Beams, Footings & IRC Code
Deck-building reference based on 2021 IRC R507 and AWC DCA 6: joist spans, beam spans, footings, ledger fasteners, decking, stairs, and railings.
Read Guide →Deck Stain Coverage: How Much Per Square Foot
Deck stain coverage rates by wood condition, stain type, and application method. Manufacturer specs for railings, vertical surfaces, and multi-coat systems.
Read Guide →DIY Backsplash Tile Installation: The Complete Guide
Step-by-step backsplash tile installation from surface prep through sealing. Substrate, layout, thinset, grouting, and 13 mistakes to avoid.
Read Guide →Insulation R-Value Requirements by Climate Zone (IECC)
R-value requirements, material costs, coverage rates, and installation standards for residential insulation. Fiberglass, cellulose, and spray foam compared.
Read Guide →Drywall Screw Guide: How Many Screws Per Sheet?
GA-216 screw spacing, coarse vs fine thread selection, correct lengths by drywall thickness, and exact screw counts per 4×8 sheet. Per ASTM C1002.
Read Guide →Floor Tile Installation Guide: TCNA & ANSI Standards
Install floor tile right — L/360 deflection, plywood subfloors, PEI/DCOF ratings, thinset coverage, waterproofing, and expansion joints. TCNA & ANSI.
Read Guide →Mortar & Thinset Guide: ANSI Class, Trowel Size & Bag Count
Pick the right ANSI mortar (A118.1/.4/.11/.15/.3 or A136.1 mastic) for substrate and tile, choose a trowel notch, and calculate bag count.
Read Guide →Stairs Building Guide: IRC Code & Stringer Span Tables
Residential stair guide — IRC R311.7 / 2024 R318.7 limits, three master equations, AWC DCA 6 stringer spans, six layouts, and 10 inspection fails.
Read Guide →HardiePlank Installation Guide: HZ5 vs HZ10, Nailing & Trim
HardiePlank installation rules from James Hardie HS11119 + ESR-2290: HZ5/HZ10 differences, fastening, butt joints, HardieTrim, kickout flashing, warranty.
Read Guide →How to Use a Wood Privacy Fence Calculator (Video Tutorial)
Step-by-step video tutorial: estimate materials for a wood privacy fence. Inputs and results for posts, pickets, rails, and concrete bags.
Read Guide →How to Use a Chain Link Fence Calculator (Video Tutorial)
Video walkthrough: estimate materials for a chain link fence. Inputs and results for posts, fabric rolls, tension wire, and concrete bags.
Read Guide →How to Use a Split Rail Fence Calculator (Video Tutorial)
Video tutorial: estimate posts and rails for a split rail fence. Walk through the calculator inputs and results for a 2-rail or 3-rail build.
Read Guide →Metal Siding Guide: Gauge, Profiles, Cost & Install
Metal siding by gauge, profile, and coating. Galvalume vs aluminum, PVDF vs SMP, HVHZ fastener density. Per MCA, ASTM A653/A792, AAMA, IRC R703.4.
Read Guide →How to Measure Your Room & Calculate Square Footage
How to measure walls, ceilings, and trim for accurate paint estimates. Covers L-shaped rooms, stairwells, angled ceilings, and window and door deductions.
Read Guide →When You Need Primer: Drywall, Wood & Bare Surface Guide
When you actually need primer — and when you don't. Industry guidelines for new drywall, bare wood, stain blocking, major color changes, and shiny surfaces.
Read Guide →Dark to Light Color Changes: Professional Guide
How to paint over dark colors without streaks or bleed-through. Covers tinted primer selection, coat counts, and pro techniques for dramatic color changes.
Read Guide →Choosing the Right Paint Sheen: Flat to Gloss
How to choose the right paint sheen. Covers flat, eggshell, satin, semi-gloss, and gloss — with durability, washability, and light-reflection tips.
Read Guide →Textured Wall Painting: Coverage Rates for Stucco & Popcorn
Coverage rates and techniques for painting textured walls. Covers knockdown, orange peel, popcorn, and stucco — with extra gallons per texture.
Read Guide →Complete Interior Painting Guide: Prep to Cleanup
Interior painting guide — prep, priming, cutting in, rolling technique, and cleanup. Covers order of operations, mistakes, and finish selection.
Read Guide →Landscape Material Guide: Gravel, Stone, Sand & Topsoil
Calculate cubic yards, tons, and bags for gravel, crushed stone, sand, decomposed granite, river rock, topsoil, and riprap. ASTM D448 / AASHTO M43.
Read Guide →Interior Doors Guide: Rough Openings, Hardware & IRC
Per-door rough openings, hinges, locksets, casing LF, and IRC flags for pre-hung, slab, bifold, bypass, barn, pocket, French, and Dutch doors.
Read Guide →Paver & Patio Installation: The Complete Technical Guide
Concrete, brick, bluestone, travertine, and porcelain pavers — sand-set, mortar-set, pedestal, and PICP installs. ICPI Tech Spec 2/3/4/18.
Read Guide →How to Build a Retaining Wall: Step-by-Step DIY Guide
Step-by-step how-to: build a 4-ft segmental retaining wall the right way — base prep, drainage, geogrid, and cap install. Per NCMA & IRC R404.4.
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