5-10

Years Of Experience


Exterior Concrete Coated for Lasting Traction and Appearance

Patio, Pool Deck, and Exterior Coatings in Vancouver for concrete surfaces that are slippery, stained, or showing surface deterioration

Exterior concrete that has been left unsealed for years develops a predictable set of problems: the surface oxidizes and becomes powdery, water penetrates and works at the slab from below, and the texture that once provided grip wears smooth where foot traffic is concentrated. Tru Resins coats patios, pool decks, and exterior concrete in Vancouver using products selected for slip resistance and outdoor exposure conditions, with prep and repair completed before any coating goes down. The owner operates every install, with experienced helpers brought in as the job requires.


Exterior coating starts with the same mechanical preparation that interior slabs require: the surface is cleaned, old sealers are removed, and the concrete is profiled to a texture that gives the coating material a surface to bond against. Pool decks receive additional attention to the specific demands of that environment, including chemical exposure from pool water and the traction requirements of a surface that is regularly wet underfoot. Existing cracks and spalled areas are repaired before the coating schedule begins, and the coating system applied is matched to whether the surface carries foot traffic only or also sees furniture, planters, or wheeled equipment.


Request a surface condition review with Tru Resins to assess what prep your patio or pool deck needs before a coating product is selected.

The Difference Between Exterior and Interior Coating Systems

Exterior coatings face demands that interior systems do not: UV exposure breaks down coatings not formulated for it, and surfaces that are wet regularly need aggregate added to the topcoat to maintain traction rather than relying on the texture of the coating film alone. Product selection for a patio or pool deck is not the same decision as product selection for a basement floor, even when the surface preparation steps look similar. Tru Resins selects exterior systems based on the specific exposure the surface sees rather than applying a single interior-grade product to outdoor concrete.


After a correctly specified exterior coating cures, the surface changes in ways that are immediately visible: color and texture become uniform across areas that previously showed staining, efflorescence patches, or wear variation, and the slip-resistance aggregate in the topcoat remains tactile even when the surface is wet. For Hazel Dell properties with exposed aggregate patios that have been previously sealed with a consumer product, the prep process typically involves removing that prior sealer before the new system can be applied, because consumer-grade sealers do not provide a stable base for a commercial coating.


Before requesting a quote, it is worth confirming whether the scope includes removal of existing sealers and repair of current cracks, because those steps affect both the preparation time and the total material needed. Pool deck work also involves confirming chemical compatibility between the coating system and the pool water treatment approach used, which affects product selection at the topcoat stage.

Common Questions About Exterior Coating Work

The questions below address how patio and pool deck coating is approached and what property owners should verify before the project starts.

  • How is a pool deck prepared differently than a standard patio slab?

    Pool deck concrete often has calcium and chemical deposits from pool water that require acid washing or targeted mechanical removal before profiling, because those deposits prevent the coating from bonding to the concrete beneath them.

  • What type of aggregate is used for slip resistance on a wet pool deck surface?

    Aluminum oxide or silica carbite broadcast aggregate is worked into the topcoat while it is still wet; the aggregate size and broadcast rate are adjusted based on how much traction the surface requires and whether it will be used barefoot.

  • Why do previously sealed patios require sealer removal before a new coating is applied?

    A prior sealer creates a barrier between the concrete and the new coating, and any coating applied over it is only as well bonded as the old sealer is to the slab beneath; if the old sealer releases, the new coating comes with it.

  • How do you handle cracks in an exterior slab that has been exposed to years of surface movement?

    Exterior cracks are routed, cleaned, and filled with a flexible repair compound rather than a rigid one, because exterior slabs expand and contract more than interior slabs and a rigid repair will re-crack at the filled joint.

  • What does a properly finished exterior coating look like once it has fully cured?

    The surface has a consistent color and sheen level across patched and unpatched areas, the aggregate texture is uniform, and there are no thin spots visible at the edges or around fixed objects like drains and post bases.

Tru Resins also coats patios, pool decks, and exterior concrete in Camas, Washougal, Ridgefield, Battle Ground, and Portland. Call (971) 409-1295 to discuss your surface type and current condition so the right coating system can be identified before the visit.