For over 30 years, Ritchie’s Insulation & General Contracting has provided insulation for new and existing buildings. We serve St. Thomas and southwestern Ontario. Call for a free on-site estimate.

Improve energy efficiency in your home, office, business, or facility with insulation from Ritchie’s Insulation & General Contracting. Based in St. Thomas and serving southwestern Ontario, we install insulation for new builds, renovations, and retrofitting projects. We can also offer soundproofing and fire coating services. Our specialties include retrofitting older existing homes with exterior, non-invasive insulation applications. Call for your free estimate and be sure to ask about our energy rebate programs. more... See more text