Application instructions
Before applying, the surface must be free from oil, solvent, water and dust. For best product performance, apply the tape at room temperature between 15°C and 35°C.
FSK system tape
Scudoflex FSK Hot Melt Foil Tape
Foil-Scrim-Kraft (FSK) tape with hot melt adhesiveHigh-performance Foil-Scrim-Kraft (FSK) closing and sealing tape with a strong hot melt adhesive for Scudoflex and Gladitor Building Products insulation systems.
Foil-Scrim-Kraft (FSK) laminateBacking
-20 to +80°CTemperature range
30 ydStandard roll length
Product overview
Reliable closing and sealing for XLPE systems.
Scudoflex FSK Hot Melt Foil Tape is a specialized Foil-Scrim-Kraft (FSK) laminate coated with a high-strength hot melt adhesive and protected by an easy-release silicone release liner. Engineered by Gladitor Building Products, it provides exceptional flame retardancy, low moisture vapor transmission, and superior tear resistance. It is ideal for sealing FSK-faced fiberglass duct boards and insulation blankets.
Product benefits
Features
- Foil-Scrim-Kraft (FSK) laminate backing provides high tensile strength, tear resistance, and flame retardancy.
- Coated with a strong hot melt adhesive ensuring aggressive initial tack and permanent bonding.
- Low moisture vapor transmission rate offers an exceptional vapor barrier.
- Performs exceptionally well across a wide operating temperature range.
- Provides excellent compatibility with FSK insulation facings, fiberglass, metal, and wool surfaces.
Recommended use
Applications
- Recommended as a closing and sealing tape for Scudoflex FSK insulation systems.
- Sealing joints and seams in FSK-faced air-conditioning and HVAC ducting systems.
- General-purpose indoor holding, patching, and vapour-sealing applications.
- Refrigeration and thermal insulation jacketing joints.
Technical data
Product specification
| Property | Unit | Specification | Test method |
|---|---|---|---|
| Backing thickness | microns | 35 ± 2 | ASTM D3652 |
| Total thickness | microns | 110 ± 5 | ASTM D3652 |
| Adhesion to steel | N/25mm | ≥ 16 | ASTM D3330 |
| Tensile strength | N/25mm | ≥ 65 | ASTM D3759 |
| Elongation at break | % | ≥ 4 | ASTM D3759 |
| Roll ball tack | mm | ≤ 110 | ASTM D3121 |
| Temperature range | N/A | -20 to +80°C | — |
Construction
BackingFoil-Scrim-Kraft (FSK) laminate
AdhesiveHot melt (Synthetic rubber)
ColourSilver / Kraft cross-hatch
LinerSilicone release paper
Standard sizes
| Width (mm) | Length (yd) | Rolls / box |
|---|---|---|
| 48 | 30 | 24 |
| 72 | 30 | 16 |
| 96 | 30 | 12 |
Product document
Technical datasheet
Technical support
Request datasheet
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Storage
Store under normal room temperature and 50% RH in the original packaging.
Product expiry
Use within 12 months from the date of manufacturing.
Technical note
The values shown are results of standard laboratory tests and are subject to variation. Users should determine the suitability of the product for its intended purpose.