SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L

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Product guide

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.

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.

Price

£50.99Save 27%

Reference price: ~~£69.99~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

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.

Technical specifications

10 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

What to know before buying

Listing details to confirm

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.

What’s in the box

Included

Paint can

Who is it for?

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.

SIRAMICO COATINGS Liquid Rubber Roof Coating, Black, 5L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 569 ratings

5 stars74%74%
4 stars16%16%
3 stars4%4%
2 stars3%3%
1 star3%3%

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.
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.
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.