6x6 Post Caps

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Actual vs Nominal

Any wooden fence or deck railing is a significant and investment you make for your property. And 6x6 timber posts are large enough to attract attention. It makes sense from a financial and aesthetic standpoint to protect that investment. We carry 6x6 post caps that are made of ASA resin, PVC, and aluminum. We sell two styles of ASA resin 6x6 post caps: the Estate (Pyramid-shaped top) Series, and the Plateau (Flat top) Series. We carry plain slim profile pyramid-top aluminum 6x6 fence post caps, and solar-powered LED lighted 6x6 deck post caps. We also sell decorative PVC solar plastic post caps that have an antiqued electroplated copper finish. 

All of our 6x6 fence post caps are designed to slide over the top of your wooden posts. They create a seal that will prevent water from seeping in and saturating the tops of your posts, potentially leading to mold growth or rotting. Whether you’re looking for fence post toppers for the dual or triple purpose that some styles serve, or for pure function, our line of Atlanta Post Caps 6x6 post caps will fulfill those goals and much more.

SNAP-Cap Post Caps

Our ASA resin 6x6 deck post caps are superior to most post caps in the industry. They’re made from the same hard plastic that automobile manufacturers use for bumpers and other car parts. ASA Resin’s use in cars is definitive proof that the material can withstand everything from harsh weather conditions, to projectiles that fly through the air during hurricanes and tornadoes. ASA resin is durable enough to tolerate the intensity of UV rays. 

ASA Resin post caps carry the Atlanta Post Caps label. We’re proud of the superior quality of all of our plastic posts caps, and the fact that they are made in the U.S.A.

Our plastic post caps carry a patent because of the ingenious design of our SNAP-CAP installation method.

Every purchase of our ASA resin 6x6 post caps comes with a ten-year guarantee against fading, warping, and discoloration.

ASA Resin 6x6 Fence Post Caps come in two sizes: Nominal and Actual. Actual - or True is the term that the lumber industry uses for posts that are dried before they are cut. Unlike nominal posts, which are cut when they are green and then dried, actual posts don’t shrink during drying. Green wood is wood that is still moist, and the excess moisture is sucked out of the wood during the drying process. Because of the premature cutting, nominal posts are always smaller than true posts. 6x6 deck post caps for nominal posts are a half an inch smaller on both sides.

Why ASA Resin SNAP-Cap Post Caps are Superior to Wood Post Caps

  • All of our ASA plastic post caps create a seal that keeps water from seeping under the post cap lid.

  • These post caps are better than wood in every way, especially their strength, durability, and lifespan.

  • The hard plastic of ASA resin don’t erode or decay, but wood does.

  • ASA plastic post caps require no maintenance. Wood post toppers need to have repeated applications of sealer for continued water resistance.

  • Our hard plastic post caps cost a fraction of what you’d pay for comparable wooden post caps.

6x6 Pyramid Post Caps

The estate series is our pyramid-shaped top post cap design. It is our best selling product. Its classic, but the sophisticated design has some architectural details that give it a feeling of decorative elegance. It is sure to transform the look of a wooden fence from an ordinary and purely utilitarian object that defines your property boundaries, into a visually and aesthetically appealing addition to your landscape.

  • The 6x6 deck post caps in the estate series come in nominal and actual sizes.
  • Nominal is designed to fit posts that measure between 5.5” x 5.5” and 5.75” x 5.75”. The nominal 6x6 post caps come in black, brown, and white.
  • The actual 6x6 fence post caps are designed to fit posts that are between 6” x 6” and 6.25” x 6.25”. The actual post toppers come in black, brown, cedar, olive green, and white.
  • **The Estate Series 6x6 post caps are guaranteed for ten years against discoloration, fading, and warping.**

6x6 Flat Top Post Caps

Our flat top series 6x6 deck post caps feature the same classic style you’d find on posts supporting the banisters inside a historic two-story home. The flat top 6x6 post caps are functional and decorative. They’ll protect the tops of your wooden posts from any weather scenario you might face anywhere in the world. The elegant and sophisticated style of these flat top plastic post caps is the ideal surface for a decorative planter that is filled with seasonal green or flowering plants. Or you can put decorative lanterns on top of the 6x6 deck post caps. Aluminum metal post caps get their color from a powder coating.

  • The nominal size plastic post caps in the flat top series will fit posts that are between the sizes of 5.5’ x 5.5” and 5.75” x 5.75”. Flat top plastic deck post toppers come in black, brown, cedar, green, and white.
  • The actual size will fit the flat top series 6x6 posts that measure between 6” x 6” and 6.25” x 6.25”. Actual post toppers come in black, brown, cedar, green, and white.
  • The flat top series 6x6 post caps come with a ten-year guarantee against discoloration, fading, and warping.

6x6 Aluminum Post Caps

Our aluminum post caps have a classic, smooth, modern, and elegant look. These metal post caps offer a long-lasting solution for protecting wood posts. The streamlined design may lack the decorative architectural features of our ASA resin post caps, but they will protect posts and keep water from seeping in under the cap. The installation process is simple: drill the two provided screws into the holes on the sides of each caps.

The nominal size of our aluminum 6x6 fence post caps fits posts that measure 5,5” x 5.5”. The nominal 6x6 post caps come in plain aluminum (without any powder coating), black, copper, and white.

The actual size fits true 6” x 6” wood posts. The actual size comes in black, plain aluminum, copper, and white.

The purchase of our aluminum post caps comes with a one year guarantee against fading and they are made in China.

6x6 Solar Post Caps

Our 6x6 solar post caps will protect your wood posts with a stylish touch. If you’re looking for an attractive, multi-purpose alternative to wood post toppers, our solar post caps will make a dramatic impact. Our 6x6 deck post caps are made of two materials: PVC (with an antiqued electroplated copper finish) and cast aluminum with a powder coated black finish.

The slim profile solar-powered powder-coated aluminum 6x6 post caps are made to fit nominal and actual posts, thanks to an adapter that comes with the post cap. This post cap will fit wood posts that measure 5.5” x 5.5” or 6” x 6”. The two high-output LED lights produce a sophisticated glow through the pebbled glass panels that are part of the design.

The solar cell charges the battery (one AA rechargeable Ni_MH) so that the post cap comes on automatically. There is also a feature that allows you to turn it on with a switch. These solar-powered 6x6 deck post caps can stay lit for up to 12 hours.

Our solar post caps are not made by Atlanta Post Caps.

All solar post cap purchases come with a one year manufacturer’s warranty.

Our solar-powered 6x6 deck post caps with a copper finish are made of PVC that is covered with an antiqued electroplated copper finish. The design of these stylish 6x6 fence post caps is elegant, sophisticated, and stylish. You get the added benefit of their functionality and durability, which will far outlast wood post caps.

The electroplated copper covered PVC post cap fits nominal posts that measure 5 ⅝” x 5 ⅝”. These post caps come with two screws for mounting; three high-output LED lights and two rechargeable batteries.

The copper-covered PVC 6x6 post caps come with a one year manufacturer’s warranty.

Our solar powered 6x6 deck post caps are not made by Atlanta Post Caps.

 • Metal Post Caps  • Solar Post Caps  •  PVC Post Caps