Joist Tape Protector (For Double joist/beam) 4"x 65'
Available for delivery in 3–14 business days.
Please, contact us to confirm pickup availability.
Joist Tape Protector (For Double joist/beam) 4"x 65'
Joist Tape Protector – 4" x 65' – Waterproof Beam & Double-Joist Protection for Long-Term Deck Durability
The Joist Tape Protector – 4" x 65' is a premium, self-adhesive waterproof flashing tape designed to protect the top of double joists and beams from moisture damage. Applied directly to framing lumber before deck board installation, this tape creates a long-lasting barrier that helps prevent rot, decay, and wood splitting, dramatically extending the life of your deck’s structural components.
Key Features:
✔ 4" Width for Double Joists & Beams – Specifically sized to cover wider framing members in one pass, such as sistered joists, beams, and ledger boards.
✔ Waterproof Protection – Seals the top of framing lumber to prevent water intrusion and pooling that can lead to rot.
✔ Self-Adhesive Backing – Easy peel-and-stick application with strong adhesion to treated or untreated wood surfaces.
✔ UV-Resistant Surface – Durable material resists breakdown from sun exposure during and after construction.
✔ Prevents Fastener Corrosion – Creates a barrier between decking screws and pressure-treated lumber to reduce metal corrosion.
Technical Specifications:
Width: 4 inches
Length: 65 feet
Material: Butyl-based self-sealing tape
Adhesion: Strong bond to wood, even in high temperatures
UV Resistance: Yes – designed to withstand exposure during construction
Application: Apply to clean, dry framing surfaces before deck board installation
Coverage: Suitable for double joists, beams, and wide ledgers
Common Applications:
Double Joists – Protect sistered joists where water can collect between boards
Deck Beams – Extend beam life by preventing moisture infiltration from above
Ledger Boards – Shield ledgers from water exposure for added structural safety
Stair Framing – Wrap around landing joists or stringer tops
General Deck Framing – Use anywhere framing is vulnerable to water exposure and trapped moisture
The Joist Tape Protector – 4" x 65' is a simple yet powerful way to protect your deck’s structural frame from the damaging effects of moisture. Whether you're a contractor or a DIYer, this easy-to-apply flashing tape is a must-have for building longer-lasting decks.
Shipping, Delivery, Pick-Up, Returns & Warranty
Please review the information below before placing your order.
Shipping & Delivery
Composite Deck Shop delivers to jobsites in Ontario that are accessible to large trucks. Shipping outside Ontario is available upon request.
Orders may be shipped by flatbed truck, flatbed trailer, or pick-up truck for smaller railing and accessory orders. Smaller orders may also ship by major couriers or Canada Post. Please confirm the shipment type at the time of purchase or select an available shipping option at checkout.
Some deliveries are unloaded with a Moffett mobile forklift, while others are offloaded by hand from a flatbed. If on-site help is required, this will be noted in the delivery option selected at checkout.
Shipping rates vary based on order size, order type, and distance from one of our four Ontario locations. Prices start at $160 per order.
Material is dropped off no more than 3 metres from where the delivery truck can park. Special placement requests, such as delivery into a garage or backyard, may be available for an additional fee and require a custom quote.
Delivery timeframes
In-stock items: Next day to 7 business days, depending on the time of year and the order size and type.
Special order items: 4 business days to 14 days, depending on order type, size, and time of year. If special order material is not available through our distribution, our sales staff will advise you individually.
Pick-Up Information
All pick-ups require either an online order with pick-up available at the selected location, or approval from one of our sales representatives by phone or email.
Please do not arrive expecting immediate pick-up. We do not operate self-serve warehouses.
After an order is placed, preparation can take from 4 hours to 3 days, provided the material is in stock at the requested location. Timing depends on material quantity, material type, and time of year. A sales representative can provide an exact timeframe.
Custom cutting is available upon request for an additional cost.
Returns & Refunds
Special order material is final sale and cannot be returned or refunded.
In-stock material may be returned within 30 days of purchase if it is in original condition and in original, undamaged packaging. A 20% restocking fee applies to all returns of in-stock material.
Customers are responsible for returning material to our store or arranging pick-up at their own cost. Composite Deck Shop may take 1 to 4 business days to inspect returned material. If the material is not considered to be in original condition, no refund will be issued and the customer must pick it up. Return condition is determined at the sole discretion of Composite Deck Shop staff.
Warranty
Composite Deck Shop does not provide warranty coverage for the products it sells. Most products are covered by the manufacturer’s warranty. Customers are responsible for reviewing the manufacturer’s warranty before purchase. Composite Deck Shop is not obligated to assist with warranty issues or claims.
Please visit the Shipping, Delivery, Pick-Up, Returns & Warranty page to review all conditions.