The Benefits of Using Decking Tape

Joist tape, also known as decking tape, is a crucial element in deck construction that is often overlooked. This seemingly simple product plays a pivotal role in maintaining the integrity and longevity of your deck.

Decking tape is more than just an accessory for traditional or composite decking; it’s a vital component that protects your deck from the damaging effects of moisture. It’s a small investment that can make a significant difference in the lifespan of your deck.

In this blog, we’ll discuss the benefits of using decking tape, why it’s an essential part of any deck construction project, and how to properly install it.


What is Decking Tape?


In the realm of deck construction, decking tape is a specialised self-adhesive tape that is applied directly onto the flat surfaces of the decking joists. Its primary function is to serve as a protective barrier, shielding the joists from the detrimental effects of moisture.

Deck joist tape is designed to prevent water from seeping into the decking, thereby mitigating the risk of rot and decay. This protective barrier is crucial to maintaining the structural integrity of your deck, ensuring that it remains sturdy and safe for years to come.


Unveiling the Benefits of Using Deck Tape


The use of decking tape in deck construction offers a plethora of benefits. Not only does it extend the lifespan of your deck, but it also provides a cost-effective solution to potential repair and replacement costs.


Extended Lifespan


One of the key benefits of using decking tape is the extended lifespan it provides to your existing deck frame and the fact that it offers a weatherproof seal. By protecting the decking joists from moisture and significant deck frame weathering, it prevents rot and decay, thereby significantly enhancing the longevity of your deck. 

This means that you can enjoy your deck for many more years, making the most of your outdoor space.




While there is an initial cost associated with purchasing and applying the deck flashing tape, the long-term savings can be substantial. By protecting your composite decking joists from damage, you can avoid costly repairs or replacements in the future. This makes decking tape a cost-effective solution for maintaining the integrity of your deck boards


Easy to Apply


Decking tape is self-adhesive and incredibly easy to apply. It can be cut to size and adhered directly to the deck joists, making it a simple and straightforward addition to your composite decking boards.




Whether you’re using wood, advanced composite decking, or PVC decking, decking tape is compatible with all materials. This means that you can benefit from the protective properties of decking tape for both traditional timber decking and composite decking.


How to Apply Decking Tape


The application of decking tape is a straightforward process that can be easily incorporated into your deck construction.


Step-by-Step Guide to Applying Decking Tape


  1. Measure and Cut: Measure the length of your joists and cut the decking tape to the required length. It’s always better to cut a little extra to ensure full coverage.
  2. Remove the Backing Paper: Decking tape is self-adhesive, so you’ll need to remove the backing paper before applying it to the joists.
  3. Apply the Tape: Apply the tape along the top of each joist, pressing down firmly to ensure a good seal. The decking tape should cover the entire width of the joist, wrapping over the sides slightly to ensure maximum protection.
  4. Smooth Out Any Bubbles: After applying the tape, smooth out any bubbles or creases. This will ensure that the tape adheres to the top of the wood properly and provides a smooth surface for a composite deck board.



The use of decking tape is a valuable addition to any decking project. By protecting your decking joists from moisture and decay, you can extend the life of your deck and save money on potential repairs or replacements.


Shop decking tape today…


Here at Ecoscape UK , we provide a range of high-quality decking tapes to suit your individual needs. Shop our range of decking tape today and enjoy the benefits of using it in your deck construction project.

If you have any questions or queries about decking tape, our friendly team of experts are more than happy to help.

Gary is the founder and CEO of Ecoscape UK. Gary graduated from Liverpool JM University in 2007 with a 2:1 in Economics. A passion for innovation, design and sustainability, Gary has put to market numerous wpc products/systems, some of which have UK and European registered designs. Outside of work Gary enjoys spending time with his family, the great outdoors and watching Manchester United.