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10 Best Sealer For Cedar
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Cedar Deck Sealers
Buying Guide for the Best Sealer For Cedar
Choosing the right sealer for your cedar wood is important for protecting its natural beauty and increasing its lifespan. Cedar is a popular wood for outdoor projects like decking, fencing, and furniture because it naturally resists rot and insects, but it can still be affected by moisture, sunlight, and weather over time. Using a good sealer will help prevent fading, cracking, and water damage, keeping your cedar looking fresh for longer. To pick the best sealer, think about how and where you'll use the cedar, how much maintenance you want to do, and what appearance you prefer for the wood.Type of SealerThe type of sealer refers to the formula used to protect your cedar. Common types include water-based sealers, oil-based sealers, and hybrid types that combine both. Water-based sealers dry quickly, have less odor, and are easier to clean up, but may require more frequent reapplication. Oil-based sealers penetrate deeply, enhancing the wood's natural color and offering longer-lasting protection, but they can be smellier and take longer to dry. If you prefer a low-maintenance and eco-friendly choice, water-based may be better, while oil-based is good for richer color and deeper protection. Think about your maintenance habits and sensitivity to odors, as well as whether you're sealing indoor or outdoor wood, to decide which type is best for you.
Level of ProtectionThe level of protection indicates how well the sealer guards against major threats to cedar, such as moisture, sunlight, UV rays, and mildew. Some sealers are made mostly for water resistance, helping prevent rot and swelling, while others focus on UV protection to prevent the cedar from turning gray. A few provide added mildew or mold resistance. If your cedar is exposed to a lot of rain or sprinklers, pick a sealer that’s strong on waterproofing. If sun exposure is the main concern, choose one with high UV protection. For shaded or humid spots, look out for mold and mildew resistance. Match the protection level to the typical weather and environment where your cedar is used.
Finish and AppearanceSealers come in different finishes, such as clear, semi-transparent, and tinted. A clear finish preserves the natural look of cedar without changing the color, but may offer less UV blocking. Semi-transparent finishes add a bit of color while still showing the wood grain, and tinted or solid finishes provide even more color and stronger UV protection while partially hiding or fully covering the grain. If you love the natural cedar look, a clear or semi-transparent finish is best. If you want to match other décor or provide maximum sun blocking, consider a tinted finish. Your choice here depends mostly on your style preferences and how important wood grain visibility is to you.
Application MethodThe preferred application method for sealers can vary—some are best brushed or rolled on, while others can be sprayed. Spraying can be faster for large surfaces, but brushing or rolling often creates a thicker and more even coat, which may last longer. Some sealers are thinner and absorb quickly, making them easier for DIY use, while thicker ones may require more care and technique. Think about your project’s size and your comfort with different tools: for small projects or detailed areas, a brush or roller might be best, while large decks can benefit from spraying.
Reapplication FrequencyHow long the effects of a sealer last before you need to reapply can vary—some products need refreshing every year, while others last two to five years. This is influenced by the formula, exposure levels, and climate. If you want a low-maintenance approach, look for sealers known for longer durability, but keep in mind that these may be harder to remove or change later. If you don’t mind occasional upkeep and like to refresh the wood’s look often, a sealer that requires more frequent reapplications can work fine. Consider your willingness and ability to regularly maintain your cedar when weighing this factor.