Pick the Perfect Sealant and Prep like a Pro for Outdoor Wood Furniture
Spending time outdoors is one of life's simple pleasures. Lounging on your deck or patio with a cool drink in hand is the perfect way to unwind after a long day. But the key to maintaining your blissful outdoor oasis is proper care and maintenance of your wood furniture. The right sealant can protect your cherished outdoor set from weathering and keep it looking like new for years to come.
Why Sealing Outdoor Wood is Critical
Outdoor wood furniture is subjected to the elements on a daily basis. Rain, sun, snow, and fluctuating temperatures can wreak havoc on unfinished wood. Sealing outdoor wood is essential to prevent water damage, guard against UV rays, maintain the natural color, and extend the life of your furniture.
Without a protective sealant, moisture can cause wood furniture to crack, warp, and rot. Water penetrates into the porous structure of wood, leading to swelling, discoloration, and promoting mold growth. Once water damage occurs, it is difficult to repair.
The sun's harsh UV rays will rapidly fade and deteriorate outdoor wood over time. Without UV inhibitors, the sun will break down the lignin and cellulose in the wood, causing it to turn gray and weathered. Using a sealant containing UV absorbers will prevent photo-degradation.
Unsealed wood left outdoors will gradually lose its rich color. Water, sun exposure, and contamination by dirt or plant matter will cause it to appear dull and dingy. A sealant enhances and maintains the natural vivid tones.
Regular sealing extends the usable life of outdoor furniture, saving you from having to replace it frequently. The right sealant protects the integrity of the wood, keeping it structurally sound for decades.
Oil-Based vs. Water-Based Sealants
When it comes to picking a sealant for your outdoor wood furniture, you'll generally be deciding between an oil-based or water-based product. Each has pros and cons to weigh when factoring in your climate and project specifics.
Oil-Based Sealants
Traditional oil-based sealants like tung, linseed or teak oil are known for enhancing and preserving wood's natural beauty. These penetrating oils soak deep into the wood grain to provide long-lasting protection.
Oil-based sealants highlight the depth and richness of wood's natural tones. The oils allow the texture and grain to show through, while defending against water and UV damage. Popular options like Penofin Hardwood Formula Oil leave a smooth satin finish.
Thanks to their deep penetrating abilities, oil-based sealants are highly durable and only need reapplication every 1-2 years on average. They take longer to dry initially but form long-lasting bonds within the wood.
The downside is that application requires more time as oil-based products have a strong odor and take longer to dry. Proper ventilation is a must.
Water-Based Sealants
Water-based sealants like polyurethane or acrylic form a protective film on the wood's surface rather than penetrating deeply. These fast-drying options are lower odor and easier for DIYers to apply.
The trade-off is that water-based sealants require more frequent reapplication, generally every 6 months to 1 year. The surface film breaks down faster compared to an oil-based product.
Water-based polyurethane is ideal if you desire a glossy varnish-like look. Acrylic sealants provide more of a natural satin finish. Both dry quickly for convenience.
Key Factors in Picking the Right Sealant
There are several important considerations when deciding which type of sealant is best for your particular outdoor wood furniture:
- Durability - How long does the sealant last before reapplication is needed? Oil-based options are generally longer-lasting.
- Appearance - Will the sealant enhance the natural look of the wood or create a glossy film? Consider the desired aesthetic.
- Application - Ease of use, dry time, cleanup, and ventilation needs factor into application convenience.
- Climate - Frequent rainfall or intense sunlight may dictate needing a more heavy-duty sealant.
- Maintenance - How often is reapplication required? Infrequent touch-ups are ideal.
Keeping these key considerations in mind will help narrow your choices to find the right sealant for your climate and furniture.
Proper Prep - the Key to Success
They key to achieving beautiful, long-lasting results from any sealant relies first on proper preparation of the wood surface. Follow these pro tips for prep:
- Clean the furniture thoroughly with a wood cleaner and brightener to remove dirt, residues, and old finish.
- Lightly sand the wood with 120-150 grit sandpaper to smooth the surface and open the pores.
- If resealing previously finished wood, strip off old sealant completely with a chemical stripper or sander.
- Ensure the wood is completely dry before applying sealant. Moisture will block penetration.
Proper prep removes barriers that could block the sealant from properly bonding and penetrating into the wood. It also enhances adhesion so the sealant will not peel or chip later on. A little elbow grease prepping pays off!
Apply Sealant Like an Expert
Once your furniture is prepped, it's time to start sealing. Follow these expert tips for flawless application:
- Stir the sealant thoroughly before and during application. This ensures consistent distribution for even coverage.
- Use a paintbrush, lint-free rag, or foam applicator to wipe sealant evenly over the wood along the grain pattern.
- Maintain a thin coat to allow penetration into the wood. Thick globs can inhibit absorption.
- Allow proper drying time between coats, as specified on the product label. Oil-based products require longer dry times.
- Apply 2-3 thin coats for best protection, sanding lightly between coats.
- Add additional coats to high-traffic areas like tabletops and chair arms to fortify protection.
Patient, careful application allows the sealant to fully penetrate into the wood to maximize longevity. Remember that less is more when applying - thin, even coats are best.
Special Considerations for Teak Furniture
When sealing outdoor furniture constructed from rich, golden teak wood , specialized teak oil is an optimal choice. The oils in teak wood help repel water naturally.
Look for a 100% pure teak oil sealer containing UV inhibitors like Golden Care Teak Oil or Semco Teak Sealer to enhance the wood's natural water-resistant properties. The oil will also nourish and enhance the distinctive golden tones.
Allow teak oil to fully penetrate into the dense teak grain before wiping away excess or adding additional coats. Slow penetration creates a deeper, longer-lasting barrier of protection.
Tips for Sealing Dense Ipe Wood
Exotic hardwoods like ipe require special considerations when sealing due to their unrivaled density. This resilient Brazilian timber has a Janka hardness rating of over 3,600 lb, more than twice that of oak.
Specialized ipe oils formulated for exotic hardwoods are best to penetrate the dense grain. Look for ipe sealants containing UV inhibitors like Penofin Purple Label.
Take care when drilling holes in ipe to avoid splitting by pre-drilling. Allow even more cure time between coats for the sealant to absorb into the hyper-dense grain.
Maintain Protection with Proper Care
Don't let your hard sealing work go to waste. Maintain that factory-fresh look by:
- Inspecting furniture every 6 months for any worn or damaged areas in the sealant.
- Reapplying sealant as needed per manufacturer guidelines to fortify UV and water protection.
- Spot treating any damaged or cracked areas, sanding lightly before resealing.
- Rinsing off dirt and debris to prevent abrasion and keep the surface clean.
- Storing cushions or covering furniture when not in use to maximize longevity.
With proper prep, sealing, and care, your outdoor wood furniture will withstand the elements while retaining its structural and aesthetic beauty for decades of enjoyment. So pick the perfect sealant for your climate and furniture material, prep like a pro, and apply with patience. Follow these best practices and you can relax outdoors comfortably knowing your furniture has long-term protection from the elements.
Safeguarding your outdoor wood furniture from weathering, wear, and tear is easy with the right sealant and prep work. Evaluate oil and water-based options, consider your climate and wood type, clean thoroughly, and apply thin even coats. A little maintenance goes a long way towards preserving outdoor furniture. Follow these sealing and preparation tips and your patio sets will stay looking their absolute best for seasons to come.