EXPERT EXTERIORS

BACKED by BUILDING SCIENCE

  • Asphalt shingles

    Metal roofing

    Composite & environmental roofing

    All roofing work includes full investigation of ventilation, structural integrity, and insulation

  • Leak & Mold Investigations

    Storm damage repair

    Missing Shingles

    Building-science expertise, including ventilation, structure, materials, & insulation

  • Seamless gutters

    Custom aluminum flashing details

    Full-service soffit, facia, eaves

    Leaf guard installation

  • Vinyl, Composite, Engineered wood, Aluminum, and Fibre Cement

    Custom-bent flashing details on all work

About Us

Meg Sim is a native of London Ontario. She has over 15 years of roofing experience, beginning on a residential roofing crew in Sarnia before founding Meg Sim Roofing in London in 2020.

She is a passionate member of the Building Science Community, advocate for women and youth in the trades, and is recognized as a GAF Certified Contractor and IKO RoofPro.

The Meg Sim Roofing crew is made up of experienced, kind, and friendly roofers from all walks of life. MSR is a family business, operated by Meg, her partner Jordan, and their two French Bulldogs 🐶