Deck Waterproofing & Stain/Seal Services
Garland • Dallas • Highland Park, Rockwall & surrounding areas in North East Texas.
Your deck is more than just wood beneath your feet—it’s an extension of your home and lifestyle. At Garland Decks & Patios LLC we specialize in professional deck waterproofing, staining, caulking and sealing services for homeowners across Garland, Dallas, Highland Park, Rockwall, McKinney, Frisco, Allen, Plano, Forney, Royse City, Fate, Greenville, Caddo Mills, Murphy, Nevada, Josephine, Celina & Prosper. Our work safeguards your investment, enhances curb appeal and ensures the deck you have continues to serve you for years.Craftsmanship, your pergola becomes a timeless addition to your home.





Why Choose This Service?
Superior Protection & Longevity
Waterproofing prevents water infiltration, rot and structural damage, this can separate a deck that lasts for five years from one that lasts 25.
Full Service Finish & Repair
We handle caulking, painting, staining, sealing and all prep work for complete restoration. Caulking before painting avoids future moisture damage
Materials Built for Texas Weather
Our coatings and finishes are selected specifically for the intense sun, hail and humidity of North Texas.
Value Enhancement
A well-finished deck increases usability, lowers maintenance costs and boosts resale appeal.
Flexible Financing Available
Making your deck maintenance affordable while protecting your outdoor investment.
Material Options
Materials & Finishes
Premium waterproofing coatings designed for wood or composite decks with high UV and moisture resistance.
Industry-grade stains or paints to restore or change deck colour, protect against fading and wear.
Exterior-rated caulking and sealants applied before finish work to ensure long-term adhesion and protection.
Hidden fasteners or updated hardware to enhance safety, aesthetics and longevity.
Maintenance-friendly finish packages for Garland-Dallas climate.
Our Process
Free Site Walk-through & Prep Inspection
We’ll visit your property across our service areas, inspect your deck for water damage, warping, or structural issues, take full measurements, plan material access and debris removal, check for obstructions and identify any underground utility risks. We also review railing stability, surface safety, and overall project feasibility to ensure the repair or replacement process is smooth, secure, and fully aligned with safety standards and local building codes.
Prep, Repair & Material Selection
We select the correct waterproofing, caulking, stain, or paint system based on your deck’s condition and material type. Our team repairs damaged boards or fasteners, addresses loose connections, fills gaps, and eliminates surface imperfections. We then clean, sand, and fully prepare the deck for a flawless, long-lasting finish. This ensures enhanced durability, stronger protection against weather, improved safety, and a beautiful final appearance that restores and preserves the entire outdoor structure.
Application & Finishing
We apply high-performance coatings, perform professional caulking, staining or painting depending on deck materials, and seal every joint, edge, and fastener. Our team ensures proper coverage to prevent moisture penetration, UV damage, and surface deterioration. We focus on even application, smooth finishing, and complete curing to maximize durability. This process boosts weather protection, long-term performance, and the overall beauty of your outdoor living space, delivering a refreshed deck that looks great and stays protected.
Final Review & Maintenance Guidance
We walk through the completed deck with you to showcase the improvements, verify safety, and ensure every detail meets expectations. Our team provides a clear care-and-maintenance guide with helpful tips for cleaning, seasonal upkeep, and long-term protection. We also perform a full warranty hand-off, review coverage details, and answer any questions you may have, so you can enjoy your beautifully restored outdoor living space with complete confidence, peace of mind, and long-lasting results.
Trust, Warranty & Long-Term Performance
Unlike many contractors serving Garland, Dallas, Rockwall, Plano, Rowlett, Richardson, Wylie, Sachse, Mesquite, and surrounding North Texas communities, we clearly define our warranty obligations in writing and stand behind our work long after construction is complete.
- 18-Month Workmanship Warranty
- 5-Year Structural Warranty
- Clear exclusions and owner responsibilities
- Structures built for North Texas soil movement and weather conditions
FAQs
Frequently Asked Questions
How often should a deck be waterproofed or resealed?
Will the finish change the look of my deck?
Do I need to remove furniture or plants?
Is caulking really necessary before painting or sealing?
Absolutely—high-quality caulking maintains a watertight seal and ensures long-lasting finish.
Can you work with composite decks or only wood?
Yes—we handle both, though our waterproofing options differ based on material. Boards made of composite often require different products.