Dow Corning 799 - Clear

£9.18

VAT included Shipping calculated at checkout.

Dow Corning 799 Clear is a low modulus, neutral cure silicone sealant ideal for weatherproofing curtain walling, glazing, and cladding. It cures to form a flexible, durable, and crystal-clear joint with excellent UV and weather resistance. Suitable for use on sensitive substrates such as glass, metal, and natural stone.

Colour: Clear

Size

310ml

Product variants

Delivery and Shipping

Place your order before 3pm for next working day delivery.

Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.

Description

Dow Corning 799 - Clear

Low Modulus Silicone Weatherproofing Sealant for Glazing & Cladding

Dow Corning 799 Clear is a high-performance, one-part, low modulus neutral cure silicone sealant developed for weathersealing curtain walling, building facades, and glazing systems. It cures at room temperature to form a flexible, long-lasting seal that is highly resistant to weathering, UV radiation, and moisture.

Key Features & Benefits

Low Modulus Flexibility: Excellent movement capability for dynamic joints and façade elements.
Neutral Cure: Non-corrosive formulation safe for sensitive substrates including metals and natural stone.
Crystal Clear Finish: Provides an invisible joint for discreet, clean applications.
Durable Weather Resistance: Resists UV, rain, and temperature extremes for long-term performance.
Excellent Adhesion: Bonds well to glass, aluminium, PVC, and other common construction materials.

Product Details

Type: Low modulus neutral cure silicone
Colour: Clear
Packaging: 310ml cartridge
Skin Time: Approx. 10–20 minutes
Curing Rate: 2–3mm per 24 hours

Application Instructions

Preparation: Ensure substrates are clean, dry, and free of dust or grease. Mask areas if necessary.
Apply Sealant: Cut nozzle to desired width and apply a continuous bead using a caulking gun.
Tooling: Smooth the joint with a suitable tool within the skin time to ensure full contact.
Finish: Remove masking tape immediately after tooling. Allow to cure undisturbed.

Limitations

Not recommended for structural glazing or underwater joints.
Not suitable for surfaces contaminated with oils or solvents.

Health & Safety

Use in a well-ventilated area. Avoid contact with skin and eyes. Wear gloves and safety glasses during application. Refer to the Safety Data Sheet (SDS) for full safety details.