Out of stock

This item is currently unavailable

Gone for 141 days. Could come back at any time — we're watching for you.

Out of stock 141 days · last price £10 · longest previous gap was 29 days

SIRAMICO COATINGS Siramico Instant Leak Sealer - 400ml Waterproof Sealant

Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 705 days · 663 data points (no recent data)

Historical
Generating forecast…
£11.99 £9.79 £10.27 £10.75 £11.23 £11.71 £12.19 10 November 2024 05 May 2025 28 October 2025 22 April 2026 15 October 2026
View at Amazon ↗

Clear

Out of stock

Price data last checked 26 day(s) ago - will refresh soon

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 705 days • 3 price levels

Days at Price
Current Price
125 days · current 21 days 517 days 0 129 259 388 517 £9.99 £10 £12 Days at Price

Price Analysis

Most common price: £12 (517 days, 78.0%)

Price range: £9.99 - £12

Price levels: 3 different prices over 663 days

Description

Stop water damage immediately with Siramico Instant Leak Sealer. This powerful 400ml waterproof sealant provides a fast solution for sealing leaks and cracks in various household surfaces. Whether you are dealing with an emergency leak in your guttering or need to repair external pipes, this sealant forms a reliable barrier to prevent further damage. Designed for both interior and exterior use, this versatile formula works on a wide range of surfaces including roofing felt, bitumen, garages, and sheds. The sealant is reinforced with fibres for added durability, ensuring it stands up to the elements. Because it is UV stable, it maintains its integrity even when exposed to harsh sunlight, making it a dependable choice for long-term protection. Application is simple and efficient. This one-coat solution requires no primer, allowing for a hassle-free repair process. With a coverage area of approximately 4 square metres, it is an essential tool for maintaining your home and preventing cracks from worsening. Get peace of mind with a durable sealant that resists weathering, cracking, and mildew.

Key Features

INSTANT LEAK REPAIR - Quickly seals cracks and leaks in household surfaces such as bitumen, roofing felt, sheds, and garages to prevent water damage.

VERSATILE APPLICATION - A multi-purpose formula suitable for both interior and exterior use, providing reliable waterproof protection for emergency repairs.

EASY ONE-COAT USE - Designed for hassle-free application with no primer required, making it simple to apply a single coat for fast results.

DURABLE FIBRE REINFORCED - Built to last, this sealant is reinforced with fibres to resist cracking, weathering, and mildew over time.

UV STABLE FORMULA - Maintains effectiveness and structural integrity even under harsh sunlight conditions for long-lasting outdoor protection.

WIDE COVERAGE - Each 400ml unit provides coverage for approximately 4 square metres, making it ideal for various repair tasks.

Product Specifications

Colour
Clear
Size
400 Millilitres
Domain
Amazon UK
Listed Since
18 April 2024

Barcode

No barcode data available

Similar Products You Might Like

Stormdry One Coat Liquid Rubber Leak Seal 500ml - Black
97% match

Stormdry One Coat Liquid Rubber Leak Seal 500ml - Black

Stormdry

£18.99 10 Sep 2026
ROUJAENIN 300g Waterproof Clear Sealant - Roof & Bathroom
97% match

ROUJAENIN 300g Waterproof Clear Sealant - Roof & Bathroom

ROUJAENIN

£9.34 21 Jun 2026
Polar Leak Seal Waterproof Roof Paint - 2.5L Clear, One Coat
96% match

Polar Leak Seal Waterproof Roof Paint - 2.5L Clear, One Coat

Polar Specialist Coatings

£39.99 29 Aug 2026
NIUB 1kg Invisible Waterproof Agent - Transparent Sealant
96% match

NIUB 1kg Invisible Waterproof Agent - Transparent Sealant

NIUB

£21.99 29 Jul 2026
Tapel Liquid Rubber Waterproof Sealant - Black 710ML
96% match

Tapel Liquid Rubber Waterproof Sealant - Black 710ML

Tapel

Price unavailable
Polar TapeSeal 4" x 5ft Clear Waterproof Repair Tape
96% match

Polar TapeSeal 4" x 5ft Clear Waterproof Repair Tape

Polar Specialist Coatings

£12.99 30 Aug 2026
Professional Soma Fix Waterproof Bitumen Roof Sealant 310ML
96% match

Professional Soma Fix Waterproof Bitumen Roof Sealant 310ML

professional soma fix

£9.99 15 Oct 2026
Hupeyna Liquid Waterproof Sealant - 35oz Transparent Repair
96% match

Hupeyna Liquid Waterproof Sealant - 35oz Transparent Repair

Hupeyna

£21.99 29 Jul 2026
Deuvuo Transparent Waterproof Coating Agent - 1 KG Sealant
96% match

Deuvuo Transparent Waterproof Coating Agent - 1 KG Sealant

deuvuo

£18.69 29 Jul 2026
Pandacoat TopBase ST Fiber Waterproof Grey Roof Sealant 1kg
96% match

Pandacoat TopBase ST Fiber Waterproof Grey Roof Sealant 1kg

Pandacoat

£22.99 15 Oct 2026
Tufinein Liquid Waterproof Sealant Clear 500g - Indoor & Outdoor
96% match

Tufinein Liquid Waterproof Sealant Clear 500g - Indoor & Outdoor

Tufinein

£11.99 26 Jun 2026
Polar Specialist Coatings TapeSeal Clear 5 x 5ft Waterproof Tape
96% match

Polar Specialist Coatings TapeSeal Clear 5 x 5ft Waterproof Tape

Polar Specialist Coatings

£14.99 02 Sep 2026
Tufinein Clear Waterproof Sealant - Invisible Leak Protection
96% match

Tufinein Clear Waterproof Sealant - Invisible Leak Protection

Tufinein

£20.89 22 Aug 2026
Pandacoat Liquid Rubber Waterproof Sealant - 5KG
95% match

Pandacoat Liquid Rubber Waterproof Sealant - 5KG

Pandacoat

Price unavailable
Hemway Light Grey Hybrid Polymer Sealant & Adhesive - 3 Pack
95% match

Hemway Light Grey Hybrid Polymer Sealant & Adhesive - 3 Pack

Hemway

£23.95 29 Aug 2026
SHADAIWUYU 2KG Waterproof Sealant - Clear Liquid Coating
95% match

SHADAIWUYU 2KG Waterproof Sealant - Clear Liquid Coating

SHADAIWUYU

£35.99 31 Aug 2026
Deuvuo Transparent Waterproof Coating Agent - 300g Sealant
95% match

Deuvuo Transparent Waterproof Coating Agent - 300g Sealant

deuvuo

£11.99 30 Aug 2026
Bostik Waterstop Flexicoat Grey - 6kg
95% match

Bostik Waterstop Flexicoat Grey - 6kg

Bostik

£59.30 03 Sep 2026
Hemway Anthracite Grey Hybrid Polymer Sealant & Adhesive
95% match

Hemway Anthracite Grey Hybrid Polymer Sealant & Adhesive

Hemway

£8.46 16 Oct 2026
JENOLITE Stop Leak Sealer Spray - 400ml Black Waterproof Sealant
95% match

JENOLITE Stop Leak Sealer Spray - 400ml Black Waterproof Sealant

JENOLITE

£12.99 15 Oct 2026
Bostik Waterstop Flexicoat Waterproof Coating - 14kg Grey
95% match

Bostik Waterstop Flexicoat Waterproof Coating - 14kg Grey

Bostik

£119.49 29 Aug 2026
JENOLITE Stop Leak Sealer Spray - White Waterproof Gutter Sealant
95% match

JENOLITE Stop Leak Sealer Spray - White Waterproof Gutter Sealant

JENOLITE

Price unavailable