Product Facts

Product Name
Roof & Gutter Silicone - 300g Cartridge
Availability
In Stock
Condition
New
Category
Home & Garden > Sealants & Caulking
Seller
Selleys

Roof & Gutter Silicone - 300g Cartridge

Keep your roof and gutters leak-free with Selleys Roof and Gutter Silicone. This sealant provides a water-tight seal that resists cracking and shrinking. Features neutral cure, 100% silicone formula with UV & weather resistance, ±125% movement capability, and a 25-year guarantee against cracking, peeling & crumbling. Suitable for contact with drinking water. Works on most roofing, guttering & flashings, including metals, tiles, PVC, Colorbond and cement sheeting.

Product Data (OpenAI Spec)

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Specifications

Slump 25°C: 0 mm
Cure rate ~2 mm/day
Skin time 5-10 minutes
Tack-free ~30 minutes
Technology Neutral cure silicone
Limitations Not paintable. Not suitable for use as a plug for burst pipes or for below-waterline applications.
Tooling time ~5 minutes
Shore A hardness ~32
Specific gravity ≈ 1.04
Directions for Use 1. Clean all surfaces; remove dust, oil, rust; wipe with mineral turpentine, let dry. 2. Cut cartridge tip and nozzle at 45°, load into caulking gun. 3. Extrude sealant into joint, ensuring full contact with both sides of joint. 4. Tool with spatula or finger (use soapy water) for smooth finish. 5. Clean up excess before it skins (within ~5-10 minutes). 6. Allow full cure (~72 hours) before exposure to water; trim any excess after curing.
Elongation at break ~330%
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