This Seattle roof deck project features an 80 mil IB ChemGuard waterproof decking membrane installed by Pinnacle Roofing Professionals. The system turns a low-slope roof area into a durable, walkable deck surface while protecting the structure underneath from Seattle’s rain and moisture.
Project Overview: Seattle Roof Deck Waterproofing
Located in Seattle, Washington, this project needed a roofing solution that could do two jobs at once: keep the home dry and provide a usable outdoor deck space. The Pinnacle Roofing crew installed an 80 mil IB ChemGuard membrane by IB Roof Systems, a reinforced PVC product designed specifically for roof decks, balconies, and other walkable waterproofing applications.


Roof Deck Materials Installed
- 80 mil IB ChemGuard waterproof decking membrane by IB Roof Systems
- Reinforced PVC walkable roof deck surface
- Complete flashing and edge details for a watertight deck assembly
If you are considering a roof deck replacement or waterproofing project in Seattle, WA, contact Pinnacle Roofing Professionals or call 206.919.3538 for a free estimate.