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Protect your deck’s framing and extend the life of your outdoor build with G‑Tape Deck Flashing & Joist Tape — a premium, self‑adhering acrylic flashing solution that creates an airtight, waterproof barrier on joists, beams, ledger boards, and posts to help prevent rot, decay, and moisture damage. G‑Tape tears cleanly by hand, sticks in a wide range of temperatures, and self‑heals around fasteners to keep water out.
Available Sizes & Product Numbers (all 65′ rolls):
2″ x 65′ — 3035BK w/o Liner
4″ x 65′ — 3035BK w/o Liner
6″ x 65′ — 3040BK w/ Liner
9″ x 65′ — 3040BK w/ Liner
12″ x 65′ — 3040BK w/ Liner
Each roll delivers long‑lasting water‑tight protection with strong adhesion to wood, metal, and composite materials, helping protect your deck framing from moisture damage for years of reliable service.
Whether building new decking, sealing critical framing connections, or reinforcing joists and beams, G‑Tape provides durable, professional-grade flashing protection that safeguards your investment.
Composite decking stands apart from wood thanks to features that make it easier to own and maintain.
Enjoy long-term durability that outperforms traditional wood decking.
Choose from a wide range of colors to create a look that’s uniquely yours.
Built with advanced materials that resist rot, moisture, and warping.
With simple, occasional cleaning, your deck stays looking clean and polished
Your deck starts with a great plan. Use our decking design tool to explore layouts, materials, and finishes in a realistic, easy-to-use experience. See what’s possible and move forward with confidence—no surprises, just better builds.
Great – we love ‘em. Our team of experts has plenty of experience with tailoring a customized project. Talk to one of our associates on the floor, give us a call, or drop us a line to get started.
For Small Boxed Items:We offer a 1-2 day turnaround for small boxed items and a tracking number will be provided to keep you updated on the status of your delivery.
For LTL Freight (Common Carrier) Items:We use LTL freight for safe and efficient delivery. Your order will be scheduled for delivery, and it's important to note that for decking deliveries, a homeowner needs to be on hand to unload the product. This ensures a smooth and hassle-free delivery process. Rest assured, we're here to make the process as convenient as possible for you.
If you need it, we’ll get it! As your one-stop deck shop, you’ll find everything at your fingertips, or we’ll get it shipped out to you anywhere in the continental U.S.
The Deck Store takes the guesswork out of pulling your project together. Stop by our local retail store in Knoxville, or enjoy hassle-free online ordering.
Our customers are our #1 priority, and we’re dedicated to bringing you quality decking supplies. Our customer promise is to carry the highest quality products, so you can enjoy your deck or dock for years to come with minimal maintenance.
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