# SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L

SIRAMICO COATINGS Liquid Rubber Roof Coating is a 5L black liquid coating intended for roof waterproofing and leak sealing. The listing claims one-coat application without primer and describes use on flat or pitched roofs and several surface types.

- [Original product page](https://bargainpostbox.co.uk/product/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [View offer](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: SIRAMICO COATINGS
- Category: Tools & Garden > Hardware & Building Materials
- Price: 50.99 GBP
- Previous price: 69.99 GBP
- Discount: 27%
- Price checked: 2026-11-12T15:09:28.449Z
- Rating: 4.5 / 5
- Reviews: 569

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Manufacturer describes a seamless, elastic membrane that expands and contracts with the surface.
- The listing claims no primer and no second coat are needed, with application by brush or roller.
- Suitable materials named in the listing include asphalt, brick, concrete, GRP, metal, felt and OSB.

## Pros

- The stated range of compatible materials covers several common roof surfaces.
- The claimed single-coat application may suit DIY users seeking a simpler application process.

## Specifications

### Identity and format
- Brand: SIRAMICO COATINGS
- Colour: Black
- Form: Liquid
- Packs: 1
- Manufacturer part number: SIRAM-LR5LBLK-01
### Weight and protection
- Weight listed: 7 Kilograms
- Water resistance listed: Water Resistant
### Compatibility and application
- Compatible materials listed: Asphalt, Brick, Concrete, GRP, Metal, Felt, OSB
- Application method claimed: with a brush or roller
- Roof types claimed: both flat and pitched roofs

## Before you buy

- The listing claims waterproofing lasting up to 10 years and quick drying, but those are manufacturer claims rather than independently verified performance. Customer feedback reports variable drying time and persistent stickiness, including in heat.

## In the box

- Paint can (Included)

## A good fit for

- DIY users coating compatible roof surfaces who prefer a liquid product that the listing says can be applied by brush or roller.
- Buyers looking for a black coating for flat or pitched roofs.

## Less suited to

- Buyers who need a confirmed drying time, guaranteed service life or verified performance for a particular roof surface.

## Customer feedback

Customer feedback highlights perceived leak stopping, waterproofing and straightforward application, including use with a roller. Drying time and value for money are mixed, while some customers report stickiness in heat and difficulty removing the coating from hands. These reports matter if predictable curing or easy clean-up is important. The listing's quick-drying claim should not be taken as a guaranteed drying time.
- Positive themes: Customers describe effective leak stopping and waterproofing.
- Positive themes: Customers appreciate ease of application, with roller use specifically mentioned.
- Negative themes: Some customers report the coating remains sticky in heat and is difficult to remove from hands.
- Mixed feedback: Drying time receives mixed feedback, with some saying it cures quickly and others reporting it does not dry as expected.
- Mixed feedback: Customers disagree on value for money.

## Frequently asked questions

### How is this coating applied?
The listing describes a single application by brush or roller and says no primer or second coat is required. Follow the product instructions for the surface and conditions.
### Which surfaces does the listing name?
It lists asphalt, brick, concrete, GRP, metal, felt and OSB, and describes use on both flat and pitched roofs.
### How quickly does it dry?
The listing calls it quick drying, but customer feedback is mixed, with some reporting that it does not dry as expected. No specific drying time is supplied.
### How long does the waterproofing last?
The manufacturer claims up to 10 years. The supplied information does not independently verify this duration.

## Alternative options

- [SIRAMICO COATINGS Liquid Rubber Roof Coating, Instant Leak Seal – Black, 1L \| Quick drying, one coat waterproofing roof sealant with instant leak seal technology. Black.](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [5 Litre All Weather Roofing Compound Waterproof ROOF Coating \| Fibre Reinforced Waterproof Paint & Roof Sealant for Flat Roofs, Felt, Concrete & Metal \| Rain Resistant](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [COATERA ROOF-COAT 100% Liquid Silicone Roof Waterproofing Membrane, Seamless Elastomeric Weatherproof Coating for Flat, Pitched, Bitumen & Metal Roofs, Water & UV Resistant \(Grey, 4.7kg, Standard\)](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [Resincoat Liquid Rubber Roof Coating, Waterproof Sealant for Roofing, DIY Friendly Repair, Quick Drying Leak Seal Technology, Long-term Performance, One-Coat Outdoor Roof Paint, Black, 5 Litres](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [Skyguard Liquid Rubber Roof Coating \| Waterproof Roof Sealant \| 5L Black \| One Coat Waterproof Roof Repair for GRP, Felt, Concrete and Metal Roofs & Gutters. UV Resistant. Roller Included.](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [Prime Grey LeakFix Liquid Rubber Roof Paint - 5 Litres – Instant Waterproof Roof Coating for Leaks, Cracks, Roofing Repairs, Gutters, Drainpipes, Concrete, Brick & Metal](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [Stormdry One Coat Liquid Rubber \(500ml, Black\) - Waterproof Leak Sealer \| Quick-Dry Leak Seal for Emergency Roof and Gutter Repair on Brick, Concrete, Metal, Roof Felt \| Self-Levelling](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [SIRAMICO COATINGS Liquid Rubber Roof Coating – Grey, 500ml \| Quick drying, one coat waterproofing roof sealant with instant leak seal technology. Grey.](https://bargainpostbox.co.uk/visit/siramico-coatings-liquid-rubber-roof-coating-grey-500ml)
- [Polar LeakFix Liquid Rubber - Rubberised Roof Sealant - Black - 5L \| One-Coat Rubber Waterproof Sealant - Leak & Crack Repair for Roofs, Gutters & Drainpipes - UV Resistant - No Primer Needed](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [Prime Black LeakFix Liquid Rubber Roof Paint - 5 Litres – Instant Waterproof Roof Coating for Leaks, Cracks, Roofing Repairs, Gutters, Drainpipes, Concrete, Brick & Metal](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [LLPT Butyl Tape/Roof Sealant 152mm x 15m Black RV Sealant Repair \| UV Stable, Extreme Durable, Waterproof, Airtight for Window RV Repair Boat Trailer Motorhome Patching](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)
- [LLPT Waterproof Patch and Seal Tape 101mm x 4m 2 Packs Black Repair Tape \| Extra Thick Adhesive Layer, UV Resistant Backing, Permanent bond Instant Seal for Repairing Gaps Holes Cracks Tear](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)

## Add-ons

- [Gorilla Waterproof Patch & Seal Tape Black 3m](https://bargainpostbox.co.uk/visit/siramico-coatings-black-liquid-rubber-roof-coating-5l)

## Images

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 1](https://bargainpostbox.co.uk/i/fp-mL0iTJgu8PMa6YZ4FB2AcAzIfWUNoscZFSA4AHEkmUoJgIUUbnvFkNWqntWfNgdFsMk-I7NTlnITaJkzpXNOHKHYQhjcyf5qrQf2ZczAbZdjbcrHC.jpg)

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 2](https://bargainpostbox.co.uk/i/lz4oXrfQ2FVv2nbVt4Ce_biA2RJKdAT5ktLIYORG3eakKv5AEofXdUAoJDUcrXNN1kXti1sULa4D2LXElOynFlxD55Vy_Pf4W4QJEsRxGbcRCUMkcGCH.jpg)

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 3](https://bargainpostbox.co.uk/i/419MN7HC0jNUirp66-Iu2YXEtYOwM01cflEC9OsbfquKZXfqsX7jpo8W13VFTuYEg71lVuuK_R7acjQF5UAPeMxsKEpJy1i8CyFSvdrwvIc0pMctX5QT.jpg)

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 4](https://bargainpostbox.co.uk/i/gyHdD1pcjFnPPHmHBT1koCyL7OGi1PMtgnfr6j4pZaTVQQh61LSjZA7u4VivS7AErYLB12q5vMoqTSlSopxcVSpZ6YJJq_699n_VMZhlD_bmf14jv_Ry.jpg)

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 5](https://bargainpostbox.co.uk/i/ufd1lkkgvLBCMVX08SES-DOlJH4PkyfDDNnTYJzDxIf_o5Ob8Hcbnbyp6dQPwzB_cRZTHQD-7IYAuXTheTDgTtfVUAI8vy1g-8RYT4BPfLDzTxFkKMF3.jpg)

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 6](https://bargainpostbox.co.uk/i/YAu4YaCmoaGgKIV26ojGyRIX6g5yZwZobSG7965B0w7fVctb0goVZyJeazShCLzDUcbx_nrrZ0BkJefOFodIyDRgeykQawcjBdjpTlZ4JdeKliLe7cbf.jpg)

![SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L — 7](https://bargainpostbox.co.uk/i/9Cq-kZ3LM2vTl520-bA5bGURbKmGuNJdHUysg4zUZ-OICbFeQdv96SQsYHib80gb9hZhSg8pEKUXXiotznOZSuw-Jz7krR8RRph89wWaLW0PvOMX0CjR.jpg)