Reference
Renovation Glossary
Definitions for common home renovation terms, materials, and industry jargon to help you communicate clearly with contractors.
C
What a change order is in renovation, typical markups (15-20%), the 3 types, how to negotiate them, and when to refuse. Real numbers and contract tips.
What a contingency budget is in renovation, how much to set aside (10-25%), when the standard 10% rule fails, and how to calculate yours by home age and scope.
What cost per square foot means in home renovation, why it's often misleading, real 2026 ranges by room type, and how to use it without getting burned.
What a countertop is, 8 material types compared with real 2026 costs ($8-$200/sq ft), durability ratings, and which material fits your kitchen and budget.
D
What drywall is, the 6 types you'll meet, sourced costs ($1.42-$4.00/sq ft hung and finished), finishing levels, and when to hire a pro vs DIY.
How renovation draw schedules work, what a healthy milestone split looks like, why front-loaded payments are a warning sign, and how retainage helps.
F
Fascia replacement runs $7-$40 per linear foot installed, per This Old House. Material prices per foot, rot add-ons, a worked example, and when to wrap.
What flashing is, 9 types explained, material costs ($5-$25/lf), 2026 repair prices ($200-$1,500), failure signs, and when to replace vs. reseal.
Wood house framing runs $7-$18 per sq ft, per Today's Homeowner (2025). Labor, steel studs, IRC stud drilling limits and a pre-drywall checklist.
G
What a general contractor does, what they charge (10-20% markup), and when you actually need one. Covers GC fees, licensing, vetting steps, and red flags.
What green building means for homeowners, how it changes renovation costs, key certifications like LEED, and which upgrades actually lower energy bills.
What grout is, sanded vs unsanded vs epoxy ($5-$50/bag), install at $3-$6/sq ft, regrouting at $7-$28/sq ft, and the sealing mistake most homeowners make.
A gut renovation strips a home to the studs and rebuilds everything: about $62-$160 per sq ft on sourced figures. What's included and when it makes sense.
H
What a home appraisal covers, what it costs ($314-$424 average), how long it takes, and what to do when the number comes in low. Updated for 2026.
What a home equity loan is, 2026 rate benchmarks (about 7.9-8.0%), requirements, how it compares to HELOCs and personal loans, and when it fits a renovation.
HVAC stands for Heating, Ventilation, and Air Conditioning. Learn what each component does, what systems cost in 2026, and which type fits your home best.
I
What impact windows are, what they cost ($800-$1,500+ per window installed), insurance discounts up to 45%, and when the upgrade is worth the investment.
What insulation does in your home, the 6 main types ($0.40-$5.00/sq ft installed in 2026), when to replace or add it, and mistakes that cost thousands.
P
What 'pulling a permit' means in home renovation, who should do it, what it costs ($50-$2,000), and why skipping it risks $10,000+ in fines and resale issues.
What a punch list is, how to run the walkthrough that produces a useful one, which defects belong on it, and why to tie it to the final payment.
R
What R-value means, the R-values DOE lists by climate zone (R-13 to R-60), sourced costs by material, and how to avoid overspending on insulation.
What renovation ROI actually means, how to calculate it, what the 2025 Cost vs. Value Report shows, and why one national average misleads.
S
What scope creep means in renovation, how small additions compound into a blown budget, the 5 most common triggers, and a system to stop it early.
What a soffit is, sourced per-foot prices by material, what a full replacement costs, attic ventilation basics, and the common problems to watch for.
What a structural engineer does for home renovations, what they charge ($350-$3,000), and when you actually need one. Covers inspections, plans, and permits.
What stucco is, traditional vs synthetic (EIFS) types, real 2026 costs ($7-$17/sq ft installed), common failure points, and when stucco is the wrong choice.
What a subfloor is, how it differs from underlayment, material options (plywood, OSB, concrete), and replacement costs ($3.50-$12/sq ft). Signs of damage.