3035BK-4 - G-TAPE - Protective membrane for joist and beam - 4" without spacer
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Delivery
Delivery
5 to 7 business days
Return policy
Return policy
PurPatio.ca accepts product returns, directly to its showroom, if these returns are made within thirty (30) days of the purchase date upon presentation of your invoice.
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Entrepreneurs
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Description
Description
The G‑TAPE 3035BK‑4 protective membrane is a professional 4" x 65' solution designed to effectively protect your patio's joists and beams from moisture, rot, and premature damage. This liner-free acrylic adhesive tape acts as a durable barrier between the wooden structure and outdoor elements, extending the lifespan of your deck or platform.
With its 4" width, it fully covers the tops of joists, wider beams, and critical areas of the structure, ensuring maximum protection against water and infiltration around screws and nails. The membrane tears easily by hand, can be repositioned during installation, and then forms a permanent bond after installation, without specialized tools.
** Liner-free version: the membrane is applied directly to the joist, with no backing film to remove. Unlike tapes with liners, there is no paper or foil to peel off before application, which speeds up installation and reduces waste on the job site.
Benefits for your patio
- Protects joists and beams against water, moisture, and debris, significantly reducing the risk of rot, cracking, and warping of the wood.
- 4" width ideal for wider joists and beams, double joists, and important connection points of the structure.
- Improves the durability and longevity of the patio structure, perfect for projects using treated wood, cedar, composites, or PVC.
- Quick and clean installation: liner-free tape to remove, which reduces installation time and waste on the job site.
- Provides a more stable contact surface between the structure and the deck boards, helping to preserve the appearance and performance of the outdoor project.
Technical specifications
- Width: 4"
- Length: 65' per roll
- Model: G‑TAPE 3035BK‑4, acrylic protective membrane for joists and beams, liner-free
- Adhesive: high-performance acrylic, air and water tight, compatible with wood, metals, certain plastics, and composites
- Weather resistance: excellent resistance to cold, heat, UV, sun, and rain
- Installation: repositionable during application, tears by hand, no primer required
Recommended applications
- Protection of the top of patio joists and load-bearing beams.
- Flashing of double beams, rim joists, ledger boards, and junction points where water accumulates.
- Deck projects using treated wood, composites, or PVC where maximizing the lifespan of the structure and the value of the project is desired.
Why choose G‑TAPE 3035BK‑4?
Compared to traditional joist tapes (butyl, asphalt, etc.), G‑TAPE 3035BK‑4 offers superior adhesion, better stability to temperature variations, and cleaner installation, with no unpleasant sticky residue. Its acrylic adhesive technology combined with a woven backing makes it a particularly effective joist protection membrane for residential and commercial patios, ideal for contractors who want to deliver durable structures and for homeowners looking to protect their outdoor investment long-term.
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