SKU: 84500557372

Walther Strong Deck Tape - Joist Protection Tape

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Description

Walther Strong Deck Tape - Joist Protection TapeWalther Strong Deck Tape is a self adhesive joist protection tape applied directly to decking subframes and joists to create a watertight barrier against moisture, rot and weathering. Rated for a service life of up to 50 years, it is available in 50mm and 100mm widths to suit different subframe layouts. Specifications Brand Walther Strong Material Recycled and sustainable materials, non butyl UV Stability Fully UV stable Width Options 50mm, 100mm Roll

Walther Strong Deck Tape is a self-adhesive joist protection tape applied directly to decking subframes and joists to create a watertight barrier against moisture, rot and weathering. Rated for a service life of up to 50 years, it is available in 50mm and 100mm widths to suit different subframe layouts.

Specifications

Brand Walther Strong
Material Recycled and sustainable materials, non-butyl
UV Stability Fully UV stable
Width Options 50mm, 100mm
Roll Length 20 metres
Application Surface Timber joists and decking substructure
Use Class External, above-ground decking subframe

What it is used for

  • Protecting timber joists and bearers on outdoor decking subframes from water ingress and moisture rot
  • Creating a watertight seal under composite decking boards where the fixing screws pass directly through the tape
  • Sealing the top face of treated timber deck substructures to extend service life in exposed UK climates
  • Providing a low-friction surface that allows composite or timber boards to slide easily into position during installation

Fitting and handling

Deck tape can be applied to damp timber and in sub-zero temperatures, making it practical on British building sites year-round. Simply peel and press the tape along the full length of each joist before laying boards - the tape self-seals around screw fixings as you drive them through, so no additional sealing is required at fixing points. Rolls can be overlapped without adding significant height to the subframe, and the tape is repositionable before final pressing so you can correct alignment without waste.

FAQ

Does deck tape work on treated timber joists?

Yes. Walther Strong Deck Tape adheres to treated and untreated timber, including damp timber, so it is compatible with pressure-treated C16 and C24 joists commonly used in UK decking subframes.

Which width should I choose - 50mm or 100mm?

The 50mm roll suits standard 47mm joists where you want edge-to-edge coverage with minimal overhang. The 100mm roll is better suited to wider bearers, doubled-up joists or situations where you want the tape to wrap slightly down the joist sides for added protection.

How long does deck tape last once applied?

Walther Strong Deck Tape is rated for up to 50 years of service life. It is fully UV stable, so exposure through gaps in the decking boards will not degrade the adhesive bond over time.

Nottage Timber Merchants stocks Walther Strong Deck Tape alongside a full range of decking boards and decking accessories, available for collection from our Bridgend yard or delivery across South Wales. Contact us to confirm next-day availability for your project.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84500557372

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4.4 ★★★★★
Based on 9 reviews
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Cgreen
Alexandria, US
★★★★★ 5
Best organizer with a water spout to keep them counter dry!
Color: Black - 9.25″, Color: Black - 9.25″
I am thoroughly impressed with this product. I tried a product that goes over the middle of the sink and it blocked everything off and would always fall off in a funny ways. I had no room for my pots and pans and started getting irritated with it. This is up and out of the way has a little spicket to drain off the water and as you can see I got all of my sponge and soaps in the same spot which is wonderful cleaned off my counter beautifully. I chose the color black to blend in with my black countertop and also to look nice and clean on the counter. One of the best organizers I have ever found for a countertop. It's sturdy metal so far seems rust resistant, but I haven't had it long enough to know for sure. Mobilize easily to clean. Fabulous little sink caddy. I highly recommend to those of you that like to be organized and keep your counter nice and dry, and still arrange things so that it can be out of the way.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
W
Verified Purchase
Wisco Mom
Pawtucket, US
★★★★★ 5
Excellent, all around caddy!
Color: Black - 9.25″
The Cisily Sink Caddy is working out nicely. It holds my sponges, scrubbers and soap bottles. It’s easy to clean and it Excellent all around is well made. I am very happy with my purchase!
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Reviewed in the United States on May 11, 2026
Y
Verified Purchase
Yoly
Chelsea, US
★★★★★ 5
No Rust, No Fuss, A simple but great Sink Item
Color: Black - 9.25″
For years I just had my sponges just laying on or around the sink but this year I decided I needed something to hold the soups and cleaning detergent. Along with not being too pricy and that is how I stumbled upon this sink caddy it has worked amazingly. It holds the detergent, sponge, and tube brushes with no problem and any water is drained out from the little spout underneath it. You can adjust the dividers so you can have how you want things separeted from each other and with the bottom being plastic you don't have to worry about getting any rust there. If you need something to make more space around your sink this item will help you.
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Reviewed in the United States on May 27, 2026
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 4
Functional neat and worth it!
Color: Navy Blue - 9.25″
This caddy has been even more useful than I expected. It instantly made my kitchen look cleaner and more organized compared to having wet sponges sitting on the sink. My counters look much tidier now, and the sponges dry out much better. It may seem like a small addition, but it really makes a big difference.
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Reviewed in the United States on May 9, 2026
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GoRetro Girl
Houston, US
★★★★★ 5
Makes the Sink Area All the More Organized
Color: Silver With Towel Rack - 9.25″, Color: Silver With Towel Rack - 9.25″
At first glance I'm sure most people might think this kitchen accessory is kind of silly; a caddy for your sponge and dish soap? But honestly, it makes the kitchen area look at the more organized and keeps things in place. I sprung for the model with the towel holder because I always feel weird about bacteria sitting in the wet microfiber cloth that I use for cleaning the kitchen countertop and my dining table. The little dowel allows it to dry very quickly. The holder can be configured in a few different ways to accommodate your cleaning items. I like that it's wide enough to comfortably hold the large bottle of dishwashing soap I buy and it's the perfect width for Sponge Mommy/Daddy sponges. I've had it less than a week and haven't had to wash it yet, but it seems like it will hold up well in the dishwasher and won't rust. Since I don't have any sponges on a handle, I may use the removable compartment for those (that you can see on the left in my photo) for other kitchen tools.
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Reviewed in the United States on April 7, 2026

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