Articles
Everything we publish alongside the calculators, newest first: how-to technique guides written from real project experience, cost pages with current-year pricing you can actually plan against, head-to-head material comparisons with the cost-over-time math shown, and direct answers to the room-size questions people search for. Every article is dated, carries its formulas or sources in the open, and links to the calculator that turns the advice into a shopping list. New articles are published daily — by Mark Penix.
How Deep Does a Gravel Driveway Base Need to Be? Layer-by-Layer Depth Guide
A gravel driveway needs 8-13 inches total in layers — 4 in of #3 sub-base, 4 in of #57 base, 2-3 in of fines-bearing surface. Depth by soil type, compaction per lift, and tonnage per 100 feet.
How to Keep a Concrete Slab From Cracking — Joints, Water Ratio, Cure Time
Stop DIY slab cracking with four numbers — a water-cement ratio near 0.50, control joints at 24-30x slab thickness, a compacted drained subgrade, and a 7-day moist cure. Worked spacing and cure tables included.
How to Paint Trim Without Brush Marks: the Load, Tip-Off, Lay-Off Method
Brush marks come from working paint that has already started to set. The load / tip-off / lay-off sequence, the right brush for each paint base, section lengths, and why pressure is what ruins a self-levelling enamel.
Why Drywall Seams Show Through Paint (and the 3-Coat Feather Fix)
Visible seams are a mud-width and porosity problem, not a paint problem. The feather widths that actually hide a joint, the raking-light check, the sanding grit progression, and fix paths for walls already painted.
Why Your Gravel Driveway Keeps Rutting (and How to Actually Fix It)
Gravel driveway ruts are a water problem, not a gravel problem. Diagnose a failed base, build a proper crown at 1/2 to 3/4 inch per foot of half-width, choose fines-bearing surface stone, and size the re-topping order.
Why Your Paint Estimate Always Runs Short (and How to Fix It Before You Buy)
Paint estimates run short for four specific reasons — tint headroom in the can, porous surfaces that drink more than 350 sq ft per gallon, an unbudgeted second coat, and spray waste. Here is how to correct each one before you pay.
Asphalt vs Concrete Driveway — Cost & 30-Year Math (2026)
Asphalt vs concrete driveway cost compared on installed price, climate, sealing cadence, lifespan, repair, and resale. Includes 30-year math for a 600 sq ft driveway.
Carpet vs LVP — Cost, Lifespan, Room-by-Room (2026)
Carpet vs luxury vinyl plank compared on installed cost, replacement cycles, pets, water, and comfort. Includes 15-year cost math for a 1,200 sq ft floor.
Engineered vs Solid Hardwood — Cost & 40-Year Math (2026)
Engineered vs solid hardwood compared on installed cost, wear-layer thickness, refinishing limits, slab and radiant-heat suitability, and resale. Includes 40-year math for 1,000 sq ft.
Gravel vs Mulch for Landscape Beds — 10-Year Cost (2026)
Gravel vs mulch for landscape beds compared on price per cubic yard, top-up cadence, weed control, soil effects, and heat. Includes 10-year math for a 200 sq ft bed at 3 inches.
How Much Paint for a 10×10 Room?
A 10×10 room with 8-ft ceilings takes 2 gallons for two coats on the walls, or 3 gallons with the ceiling. Worked math plus 1-coat and 9-ft ceiling counts.
How Much Paint for a 12×12 Room?
A 12×12 room with 8-ft ceilings needs 3 gallons for two coats on the walls, or 4 gallons with the ceiling. Full math, plus 1-coat and 9-ft ceiling numbers.
How Much Paint for a Bedroom? Average Bedroom Gallons
The average 12×12 bedroom needs 3 gallons for two coats on the walls, 4 with the ceiling. Gallon counts for every bedroom size from 10×10 to 14×16.
Metal vs Asphalt Roofing — Cost & 50-Year Math (2026)
Metal roofing vs architectural asphalt shingles compared on installed cost, lifespan, hail and snow behavior, insurance discounts, and resale. Includes 50-year math for a 2,000 sq ft roof.
Sod vs Seed — Cost, Timing, 5-Year Math (2026)
Sod vs grass seed compared on cost per square foot, establishment time, water use, planting windows, and slopes. Includes 5-year math for a 2,000 sq ft lawn.
How Much Does Paint Cost in 2026? Price Per Gallon by Brand
Real 2026 paint prices per gallon — $22 to $100 by brand and line, plus what 2, 5, and 10 gallons cost, sheen premiums, bucket discounts, and cost per square foot.
Concrete vs Pavers — Patio and Driveway Comparison (2026)
Honest comparison of poured concrete vs pavers for patios and driveways. Cost, lifespan, repair, aesthetic. When each one wins.
Hardwood vs Laminate — Cost, Lifespan, Resale (2026)
Honest comparison of solid hardwood vs laminate flooring. Real wood vs photo-image planks. When the price difference pays back and when it doesn't.
How Much Do Roofing Shingles Cost in 2026?
2026 roofing shingle prices by material — asphalt, architectural, metal, slate. Plus underlayment, labor, full-roof budget.
How Much Does Concrete Cost in 2026? Per Yard, Per Bag
2026 concrete prices — $130 to $200 per cubic yard delivered, $5 to $9 per 80-lb bag. The break-even between bags and ready-mix truck. Plus reinforcement, base, and finishing costs.
How Much Does Drywall Cost in 2026? Per Sheet, Per Room
2026 drywall prices — $14 to $32 per sheet for ½-inch standard. What you actually pay including mud, tape, screws, and corner bead. Per-room breakdown.
How Much Does Flooring Cost in 2026? Per Sq Ft Installed
2026 flooring prices — hardwood, laminate, LVP, engineered, carpet. Material plus install plus underlayment for total per-room budget.
How Much Does Gravel Cost in 2026? Per Ton, Per Cubic Yard
2026 gravel prices — $20 to $80 per cubic yard or $25 to $100 per ton delivered. Type-by-type pricing and full driveway cost breakdowns.
How Much Does Mulch Cost in 2026? Per Yard, Per Bag
2026 mulch prices — $25 to $90 per cubic yard delivered, $4 to $12 per bag. Bulk vs bag break-even at 3 cu yd.
How Much Does Sod Cost in 2026? Per Pallet, Installed
2026 sod prices — $0.30 to $0.80 per sq ft material, $1 to $2 per sq ft installed. Plus prep, watering, and per-grass-variety pricing.
How Much Does Tile Cost in 2026? Per Sq Ft, Per Room
Real 2026 tile prices — $1 to $40 per sq ft by material. Plus thinset, grout, labor, and full bathroom/kitchen budget breakdowns.
Tile vs LVP for Floors — Cost, Durability, Install (2026)
Honest comparison of tile vs luxury vinyl plank for floors. Cost, water resistance, install difficulty, longevity. When tile wins, when LVP wins.