
Bautech Ultra 1000 Mastic 310 ML Metallic Gray (24 Pieces)
Bautech Ultra 1000 Mastic is available in metallic gray, in a 310 ML size and a pack of 24.
Bautech Ultra 1000 Sealant 310 ml Metallic Grey — 24 Pieces
Bautech Ultra 1000 is a one-component, siliconised, highly elastic and paintable sealant specially formulated for joinery and sealing applications. Offered in Metallic Grey, it is supplied in standard 310 ml cartridges, 24 units per carton. It delivers a long-lasting, flexible and aesthetic sealing solution for aluminium, timber and PVC frame joints, gap filling, and general construction applications.
Technical Specifications
- Brand: Bautech
- Product Name: Ultra 1000 Siliconised Sealant
- Colour: Metallic Grey
- Volume: 310 ml per cartridge
- Packaging: 24 pieces per carton
- Composition: One-component, siliconised acrylic-based
- Elasticity: 25 % recovery
- Maximum Joint Movement: 15 %
- Paintable: Yes — compatible with water-based and synthetic paints
- Oil Content: Oil-free; will not stain surfaces
- UV Resistance: High UV stability; will not yellow or fade
- Temperature Resistance: -30 °C to +80 °C
- Application Temperature: +5 °C to +40 °C
- Curing Time: Fully cures within 24 hours depending on ambient temperature and humidity
- Standards: Compliant with ISO 11600‑F25‑HM
Applications
- Sealing joints between timber, PVC and aluminium frames and surrounding walls
- Around window and door frames, facade connection points
- Internal and external joints subject to expansion, contraction and vibration
- Filling crack control and expansion joints
- Connection joints between prefabricated building elements
- Filling and sealing on concrete, plaster, brick, timber, PVC and metal surfaces
- Joint filling prior to painting — compatible with paint for a smooth consistent finish
- Decorative joint applications in living rooms, kitchens, corridors and interiors
Product Advantages
- Paintable Finish: Unlike pure silicone sealants, it can be painted over; delivers a seamless decorative appearance
- High Elasticity: Accommodates building movement; will not crack or tear
- Metallic Grey Aesthetic: Coordinates perfectly with aluminium and metallic‑look frames for a modern consistent appearance
- Resists Dirt & Staining: Easy to wipe clean with a damp cloth when soiled
- Oil‑Free Formula: Leaves no oily residue or discolouration on applied surfaces
- UV & Weather Resistant: Long‑term durability against sun, rain, wind and moisture
- Versatile Adhesion: Bonds excellently to most construction materials — not suitable for glass
- Cost‑Effective Bulk Supply: 24‑piece carton offers favourable unit pricing for regular and high‑volume use
Application Instructions
- Ensure surfaces are dry, clean, and free from dust, grease and loose particles
- Joint depth should be at least 4 mm; apply at a 2:1 depth‑to‑width ratio (depth = half the width)
- For joints wider than 20 mm, install backing rod or polyurethane foam before sealing
- Cut the cartridge tip, attach the nozzle, and apply with a caulking gun using even pressure
- Smooth and tool the joint while wet using a dampened finger or suitable finishing tool
- Apply only at ambient temperatures above +5 °C; curing slows at lower temperatures
- Once fully cured, the surface may be painted as required
- Not Suitable For: Permanently submerged joints or fully confined spaces. Not for use on surfaces in contact with food.
Frequently Asked Questions
Can it be painted over?
Yes — compatible with water‑based and synthetic paints. Unlike pure silicone sealants, it accepts paint reliably without repelling.
How long does it take to cure?
At 20 °C and 50 % relative humidity: touch‑dry in approximately 30–60 minutes; full cure takes 12–24 hours depending on thickness.
Can it be used on glass?
Not recommended for glass — use a pure silicone sealant for glass applications.
Are other colours available?
Yes — White, Black, Brown, Bronze, Anthracite and Transparent options are also available.
How many pieces are supplied?
This product is supplied in cartons containing 24 cartridges.
Product Highlights & Features
Bautech Ultra 1000 Mastic is a product in the silicone and mastic category, with a volume of 310 ML, a metallic gray color, and a pack of 24. Product information helps you choose the right option for bulk purchasing based on color and quantity.
Usage and Application Steps
1. Preparation
Prepare the surface appropriately and check the usage instructions on the product label.
2. Application
Apply the mastic to the surface as directed by the manufacturer, working carefully and in a controlled manner.
3. Inspection
After application, inspect the surface and the mastic bead to ensure the job has been completed properly.
Frequently Asked Questions
Related Products

Selsil Aquarium Silicone 300ml Transparent (Pack of 25)

Selsil Mirror Silicone 310ml Transparent (25 Pack)

Selsil Shower Cabin Silicone 280 ML Transparent (25 Pieces)

Selsil Shower Cabin Silicone 50 ML Transparent (12 Pieces)

Selsil General Purpose Tube Silicone 50 Gr White (48 Pieces)

Selsil RTV High-Temperature Silicone Tube 50 ML Black (48 Pieces)

Selsil General Purpose Silicone Sealant 600ml Transparent (20 Pack)

