Is stamped concrete a good choice in Vancouver's wet climate?
It can be, when it is designed for rain. The main concern here is not hard frost. It is a surface that stays wet and slick for much of the year, especially in shade under cedars, firs and covered porches.
Good planning for a wet climate includes:
- A gentle fall. The patio should slope slightly away from the house so rain does not pool or run toward the foundation.
- A slip-resistant finish. Some sealers can be slick when wet. A matte sealer with an anti-slip additive, or a lightly textured pattern, gives better grip.
- Air-entrained concrete. Tiny air bubbles help the slab handle the occasional freeze and thaw.
- A proper base. Compacted gravel under the slab keeps it from settling when the ground is soaked.
Moss and algae can grow in shaded corners, so a patio that gets little sun needs regular cleaning. We talk through shade and drainage at the site visit, because they affect both the look and the safety of the finished surface.

