# Renovate Guide — Home Improvement & Contractor Authority > Comprehensive guides on building materials, contractor terminology, tools, and emerging construction methods for homeowners and trade professionals. > **ICP:** Homeowners planning renovations + trade professionals seeking specs and comparisons > **Primary topics:** roofing, siding, HVAC, plumbing, flooring, windows, tools, decks, concrete, insulation > **Author:** Frank Mercer, Licensed GC (retired), HAAG Certified Roof Inspector ## Core Content Hubs [https://roofing.renovateguide.com/] Roofing materials, terminology, cost guides — citations from HAAG, GAF, CertainTeed, Owens Corning [https://siding.renovateguide.com/] Siding types, comparisons, installation — citations from James Hardie, LP SmartSide [https://hvac.renovateguide.com/] HVAC systems, terminology, cost guides — citations from ASHRAE, ACCA, Carrier, Lennox [https://plumbing.renovateguide.com/] Plumbing guides and contractor resources [https://windows-doors.renovateguide.com/] Windows and doors — citations from Andersen, Pella, ENERGY STAR [https://flooring.renovateguide.com/] Flooring types and comparisons [https://tools.renovateguide.com/] Contractor and DIY tools — reviews and buying guides [https://decks-patios.renovateguide.com/] Deck and patio materials and building guides [https://concrete-masonry.renovateguide.com/] Concrete, masonry, and foundation guides [https://insulation.renovateguide.com/] Insulation types, R-values, and cost guides ## Author [https://renovateguide.com/author/frank-mercer/] Frank Mercer — 31 years residential/commercial construction, HAAG Certified Roof Inspector, 500+ insurance claim consultations ## Authority & Off-Page Signals - Primary author: Frank Mercer (HAAG Certified, Licensed GC retired) - Industry sources cited: HAAG Engineering, iTEL, GAF, CertainTeed, Owens Corning, James Hardie, ASHRAE, ACCA, NRCA, ICC, ASTM - Site established: 2026