Preparation
If you have any efflorescence or hard water deposit, use Nu-Lift Cleaner first
How to build your pool deck sealing kit
Preparation 2
Use Stone Soap afterwards to pH neutralize first cleaner. If it is new concrete, only use Stone Soap
SEALER
Choose either gloss or matte sealer in the color you want.
Non Skid Additive
Add non-skid additive if you want that additional grip for wet areas.
Pool deck sealing
Build your pool deck sealing kit
Start by selecting the setup that fits your pool decks surface and waterproofing needs. Then use the prep and application steps below to complete the job with confidence.
Step by step
How to use seal your pool deck
Follow these steps for prep, application and cure timing based on the pool surface you are coating. The goal is a clean substrate, even coverage and enough cure time before water exposure.
1
Prepare your space and Gather your materials
• Use SEMCO Nu-Lift Cleaner and Stone Soap to remove any mineral deposits or efflorescence
Ensure your surfaces are fully cleaned and dried. Gather all the products and tools needed for your project.
Helpful Tip
If you need assistance with which cleaners are needed for the Prep, feel free to use our live chat or call us!
2
Masking
Mask off areas that are not receiving any coating. Remove masking tape before material has fully cured.
3
Titan Shield/SEMCO Sealer Matte Application
Use a 1/2" woven nap roller to apply Titan Shield Gloss. Apply the first coat and allow the sealer to dry for at least 30 - 45 minutes, up to 2 hrs in high humidity conditions, or until surface is completely dry. Repeat the application to a minimum of 3 coats or a total thickness of 15-20 mil. Additional coats may be required depending on the porosity of your substrate. For larger areas Titan Shield Gloss can be applied with an airless sprayer with tip size 17. Adjust the sprayer to the lowest possible air setting and try out on a test area first.
Helpful Tip
Apply each coat in alternate directions to the last coat to ensure even coverage.
4
Additional Information
• For clean up use warm water to clean brush or roller right after use.
• For optimal bonding we highly recommend preparing the surface as mentioned above for best results.
• Stir up the product well before use in order to mix up the color pigments.
• Avoid application in direct sun light in the afternoon or temperatures of over 85F as it might cause the product to dry too fast before it can adhere to the substrate
SEMCO Liquid Membrane FAQ
What should I use to seal and finish a pool deck?
For the pool deck itself — the walking surface around the pool — Titan Shield Gloss or SEMCO Sealer Matte are the recommended product: a UV-stable polyurethane-hybrid sealer that protects and enriches concrete, pavers, and stone with a wet-look finish and stands up to constant wet traffic. Add the Non-Skid Additive so the wet deck stays safe underfoot.
Is it slip-resistant enough for a wet pool deck?
Yes — with the Titan Shield Non-Skid Additive it reaches a DCOF slip-resistance rating of 0.86, high-traction even when wet, which is exactly what a pool deck needs. Shake the additive, mix it thoroughly into the sealer, and apply. Slip resistance around a pool is essential, so the Non-Skid Additive is strongly recommended for pool decks, steps, and coping.
Do I need to waterproof under the pool deck too?
It depends on what's below. For a standard on-grade pool deck, Titan Shield Gloss (with Non-Skid) to seal and finish is enough. But if the deck sits over a basement, room, or other occupied space, waterproof the structure first with SEMCO Liquid Membrane, let it cure, then topcoat with Titan Shield Gloss for the wearable, slip-resistant finish. That two-layer system gives you waterproofing below and a durable pool-ready surface on top.
How do I prep a pool deck before coating?
Get it clean, dry, and free of any unknown or solvent-based coatings. Remove efflorescence and mineral scale with Nu-Lift Cleaner and Stone Soap, and cut sunscreen, oils, and grime with Power Cleaner, then let the deck dry to about 3.5–4.5% moisture. Pool decks collect body oils, mineral deposits, and organic film, so thorough cleaning is what lets the sealer bond and look even.
Can I get a matte look instead of gloss on my pool deck?
Yes — if you prefer a natural, low-sheen finish over a wet-look gloss, use SEMCO Sealer Matte instead of Titan Shield Gloss. It's the same water-based polyurethane-hybrid family, UV-stable and traffic-rated, just with a matte finish, and it also takes the Non-Skid Additive for slip resistance. Choose gloss for a rich wet-look that pops the color, matte for a subtle, natural stone or concrete appearance.