Self Adhesive Butyl Waterproof Joist Tape
Sale price
£13.00
Regular price
£15.00
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Self Adhesive Butyl Waterproof Joist Tape
Sale price
£13.00
Regular price
£15.00
🪵 Protects timber decking subframes
💧 Helps prevent water penetration
🛡️ Extends timber joist lifespan
🚚 Free UK Delivery
Key Features
Waterproof joist protection
Self-adhesive butyl tape designed to help protect timber joists and decking subframes.
Helps reduce rot & moisture damage
Creates a protective waterproof barrier to help prevent trapped moisture and premature timber deterioration.
Strong adhesive backing
Peel-and-stick application designed for secure adhesion to timber joists.
Easy installation
Simple to apply before fitting decking boards for added long-term protection.
Suitable for timber decking frames
Designed for use on timber joists and subframes beneath composite decking systems.
15m coverage roll
Supplied in a 15m roll suitable for protecting decking joists and subframe sections.
Specifications
Width: 50mm
Length: 15m roll
Thickness: 1mm
Material: Butyl rubber
Application: Timber joists & decking subframes
Suitable For: Composite decking installations
Easy Installation
Ensure timber joists are clean and dry before application.
Peel the backing and apply directly to the top of joists prior to installing decking boards.
Press firmly to ensure secure adhesion and full waterproof coverage.
Why Use Joist Tape?
Timber subframes are exposed to trapped moisture between the joist and decking board over time.
Applying butyl joist tape creates a protective waterproof barrier, helping reduce moisture penetration, timber rot and long-term structural deterioration.
A simple upgrade that helps extend the lifespan of your decking subframe.
Delivery Information
Smaller items such as joist tape are typically sent via Royal Mail with same-day dispatch where possible.
Delivery is usually within 2–3 working days and shipping costs are included in the product price.
If ordered alongside composite decking or larger materials, your order will usually be delivered together using our standard 3–5 business day delivery service.
Product Description
Protect your decking subframe with our Self Adhesive Butyl Waterproof Joist Tape.
Designed to create a waterproof protective barrier between timber joists and decking boards, this premium joist tape helps prevent water penetration, timber rot and premature subframe deterioration.
Easy to apply with a high-strength self-adhesive backing, it provides a simple yet effective solution to help extend the lifespan of your deck structure.
Ideal for timber decking subframes, composite decking installations and trade projects, it helps safeguard your investment and reduce long-term maintenance costs.
Please Note: For best performance, ensure joists are clean, dry and free from dust or debris before application. Product appearance may vary slightly from images shown.
Complete Your Project
Complete your decking installation with composite decking boards, fixings and accessories for long-lasting performance.
🪵 Helps protect timber subframes
⭐ Supports long-term decking performance
🔧 Pairs perfectly with composite decking systems
Need Advice Before Ordering?
Not sure how much joist tape you need or whether it is suitable for your decking project? Speak to our team for product advice, quantity guidance and installation support.