Everbuild Black jack Self Adhesive Flashing Tape 10 Meters Long x 450mm Wide 482963 FLAS450
Barcode: 5029347099060
Colour: Lead Grey
MPN: FLAS450
Sika Code: 482963
Size: 10m x 450mm
Product Overview:
The Everbuild Black Jack Self-Adhesive Flashing Tape 10m x 450mm is the professional’s choice for heavy-duty waterproofing and large-scale sealing projects. Engineered with a reinforced aluminium foil surface and a high-tack bitumen rubber adhesive, this ultra-wide 450mm tape delivers exceptional coverage and a long-lasting, watertight finish.
Ideal for industrial, commercial, and major roofing applications, this 10m roll provides a cost-effective alternative to traditional lead flashing, offering strength, flexibility, and ease of use. Its lead-grey finish gives a professional appearance while maintaining superior resistance to water, UV exposure, and temperature extremes. Whether you’re sealing large roof joints, repairing gutters, or protecting exposed structural areas, this tape ensures a secure, weatherproof seal that stands the test of time.
Key Features Benefits and Typical Applications:
Ultra-Wide Design: 450mm width offers maximum coverage for expansive areas, reducing overlap and installation time.
Professional-Grade Adhesion: High-tack bitumen adhesive ensures an exceptionally strong, watertight bond.
Lead-Look Finish: Provides the look and performance of lead flashing without the cost or weight.
Weather and UV Resistant: Performs reliably in rain, frost, sunlight, and fluctuating temperatures.
Flexible and Conformable: Moulds easily to irregular, curved, or textured surfaces.
Self-Adhesive Application: Easy to install—no need for additional adhesives or specialist tools.
Durable and Long-Lasting: Creates a waterproof, corrosion-resistant seal that protects against long-term weathering.
Multi-Surface Compatibility: Bonds securely to materials including metal, concrete, brick, wood, and roofing felt.
Large-scale roof and gutter repairs.
Replacement for traditional lead flashing.
Sealing roof ridges, parapet walls, and expansion joints.
Flashing around skylights, chimneys, and roof glazing.
Repairs to cracks in concrete or damaged gutters.
Industrial roof sheeting, capping bolts, and wide overlaps.
Flashing between brickwork, blockwork, or timber structures.
Use on both domestic and commercial roofing systems.
How to Use
Prepare the Surface: Ensure the area is clean, dry, and free from dust, grease, or debris.
Prime Porous Surfaces: For materials such as brick or concrete, apply Everbuild Flashing Tape Primer and allow to dry.
Measure and Cut: Cut the tape to the required length with a utility knife or sharp scissors.
Position and Apply: Peel back a few centimetres of the release paper, position the tape, and gradually remove the backing while pressing firmly.
Smooth the Surface: Press the tape into place using hand pressure or a seam roller, ensuring full contact and removing any trapped air.
Seal Overlaps: Overlap adjoining pieces by at least 25mm to ensure a watertight finish.
Product Specifications
Material: Aluminium foil with bitumen rubber adhesive backing
Colour: Lead Grey
Roll Size: 10 metres x 450mm width
Application Temperature Range: +5°C to +30°C
Storage: Keep in a cool, dry place away from direct sunlight
Shelf Life: Up to 24 months when stored correctly
Finish: Reinforced aluminium with a professional lead-look surface
Preparation Tips
In colder conditions, warm the adhesive side gently with a hot air gun to improve flexibility and tack.
Avoid applying to damp or frosty surfaces.
For complex areas or seams, use Everbuild Lead Mate Sealant for added protection.
Large flat areas can be further strengthened with Everbuild Evercryl Fibre Reinforced Roof Coating.
FAQs – Everbuild Black Jack Flashing Tape 10m x 450mm (Lead Grey)
What is the advantage of 450mm width?
The extra-wide design offers full coverage for large seams, reducing the need for multiple layers and ensuring superior protection.
Can it be used for industrial applications?
Yes, it’s ideal for commercial and industrial sealing where durability and performance are critical.
Is it suitable for uneven surfaces?
Absolutely—its flexible design conforms to textured, uneven, or curved surfaces with ease.
Does it require extra adhesive?
No, the high-tack self-adhesive backing provides a strong bond without additional glue or heat.
What materials will it stick to?
It adheres securely to metal, wood, brick, concrete, and roofing felt.
Can it handle extreme weather?
Yes, it’s designed to resist water, UV light, and temperature fluctuations for long-term performance.
Can it be applied vertically?
Yes, the adhesive is strong enough for both horizontal and vertical surfaces.
Can it be painted?
Yes, it can be painted with compatible coatings if desired.
What’s the expected lifespan?
When properly applied, it provides many years of reliable, maintenance-free waterproofing.
Is it a permanent solution?
Yes, it’s suitable for both temporary repairs and long-term protection.
Why Choose Everbuild Black Jack Flashing Tape 10m x 450mm?
For wide-area sealing, large roof joints, or industrial waterproofing, the 450mm Everbuild Black Jack Flashing Tape offers unbeatable coverage and performance. It delivers the professional finish and strength of traditional lead flashing with easier application, lower cost, and enhanced durability—making it the go-to choice for roofing and building professionals.
Notes:
Prime porous surfaces with Everbuild flashing primer Do not apply to damp surfaces
In cold weather adhesion may be reduced Bring up to temperature or heat bitumen adhesive layer with a hot air gun to improve adhesion and pliability
Awkward areas and tops of existing lead flashing can be pointed using Everbuild Lead mate larger flat areas can be coated with Evercryl Fibre reinforced coating.
"Always read the Technical Datasheet prior to first use to ensure you have the correct information and product for your application"
| Data | |
| Manufacturer | Everbuild |
| Reference Code | FLAS450 |
| Reference Code sika | 482963 |
| Length | 10 meter |
| Width | 450mm |
| Colour | Lead Grey |
| Name | Link |
|---|---|
| Everbuild Black Jack Flashing Tape Instructions Technical Data Sheet | Download Attachment |
| Everbuild Black Jack Flashing Tape Safety Data Sheet | Download Attachment |