LONDON Deck and

Porch Waterproof Coatings

Need Ontario Building Code (OBC)-approved waterproof coatings for your Deck or Porch in London, Ontario?

The Porch Doctor delivers Flexstone Coatings—a seamless, durable solution that waterproofs decks and porches, keeping basements and cold cellars dry and safe. With over 20 years tackling London’s snowmelt and wet springs, Flexstone offers 20–30 years of leak-proof protection. Whether it’s a deck in Old South or a porch in Masonville, we’ve got London covered.

Why Flexstone Coatings excel for London Decks & Porches

Leaky decks and porches in London mean mold in basements and cold cellars, plus costly repairs. Flexstone’s OBC-approved coatings fix that:

  • Leak-Proof: Seamless urethane meets OBC Section 9.13.3 for slabs over living spaces—ideal for decks and porches.

  • Decades of Durability: Outlasts standard coatings through London’s freeze-thaw cycles.

  • Safe & Stylish: Non-slip, UV-stable finishes with custom decorative options.

  • CCMC-Certified: Approved (CCMC 13473-R) for code-compliant confidence.

From new builds to retrofits, Flexstone keeps your London deck or porch waterproof, protecting basements and cold cellars while staying OBC-ready.

Conquering London’s Weather

London’s snowy winters, clay soils, and heavy runoff threaten decks, porches, and the cold cellars beneath. The 2024 OBC demands moisture barriers for slabs over living spaces (9.13), and Flexstone’s seamless membrane delivers unmatched protection—no leaks, just longevity.

Protect Your London Deck or Porch Today

The Porch Doctor is London’s expert in OBC-approved waterproof deck coatings and decorative porch coatings. Safeguard your basement and cold cellar—get a free quote now! Call 1 877 908 9610