Somafix S51 White Silicone Sealant, 50 ml

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Product guide

Somafix S51 White Silicone Sealant, 50 ml

Somafix: professional soma fix S51 is a white silicone sealant in a 50 ml squeeze tube, advertised for direct application without a sealant gun. Its compact size suits small sealing jobs, although customer feedback is mixed on ease of use and the tube’s durability.

At a glance

The 50 ml squeeze tube is presented as usable without a sealant gun, making it suited to small repairs and short joints.
The listing describes a flexible, waterproof finish for common household sealing, including bathrooms, kitchens, sinks, showers and windows.
White colour is intended for a clean-looking joint on light-coloured surfaces.

Price

£7.64Save 15%

Reference price: ~~£8.99~~

Price checked: 12 Nov 2026

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Often bought together

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Pros and cons

Pros

Direct squeeze-tube application avoids the need for a sealant gun, according to the listing.
A small 50 ml volume may be convenient for a limited repair without handling a larger tube.
The stated applications cover a broad range of household joints and surfaces.

Cons

At 50 ml, the tube may be too small for larger projects. Customer feedback is mixed on whether its size is adequate.
Customer feedback reports mess during use and tube splitting at the bottom, which may make application and storage less dependable.

Technical specifications

16 specifications

Identity
Brand	professional soma fix
Model	S51

Product details
Colour	White
Material	Silicone
Form	Liquid
Container	Tube
Volume	50 Millilitres
Package quantity	1
Weight listed	1.7 Ounces
Country of origin	Turkey

Application and performance
Water resistance	Waterproof
Full cure time	24 Hours
Tensile strength	0.5 Newtons Per Square Millimeter (N/mm2)
Indoor/outdoor use	Indoor, Outdoor
Compatible materials	Glass, Metal, Plastic, Wood
Listed special features	Easy Squeeze, Fast Drying, Waterproof

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the page names white sealant but an application instruction refers to clear silicone, and separate copy discusses black and other colours. The description calls it suitable for indoor and outdoor use, while its performance wording also emphasises general indoor applications. Cure guidance varies between a stated full cure time of 24 Hours and a separate claim of around 4–5 mm per day, with timing dependent on conditions and bead thickness. Confirm the selected colour and follow the packaging instructions, including the stated need to protect the bead from water for at least 3 hours.

What’s in the box

Included

Silicone sealant

Who is it for?

A good fit for

DIY users sealing short joints around sinks, baths, showers, kitchens or windows who want a small squeeze tube rather than a gun-operated cartridge.
People matching a white sealant to light-coloured fixtures or surfaces.

Less suited to

Large sealing projects where a 50 ml tube may not provide enough material.
Buyers who need an especially clean application or robust tube, given reported mess and tube-splitting concerns.

Somafix S51 White Silicone Sealant, 50 ml · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 1,343 ratings

5 stars64%64%
4 stars16%16%
3 stars10%10%
2 stars2%2%
1 star8%8%

Customer feedback is generally favourable about small-job performance, drying speed and colour matching, but reports also describe messy application and tubes splitting at the bottom. Views on value and the small size are mixed. For short household joints, the 50 ml gun-free format can be handy, but the reported usability and tube concerns matter if a neat application or repeated storage is important.

Positive themes

Customers report that it works well for small jobs, dries fast and matches colours well.

Negative themes

Customer feedback reports messy application and some tubes splitting at the bottom.

Mixed feedback

Opinions differ on whether the 50 ml size is useful for small projects or too small, and whether the product is worth the price.

Frequently asked questions

Does this sealant need a caulking gun?

The listing says the 50 ml squeeze tube can be applied directly without a sealant gun. It also describes fitting the nozzle and cutting its tip to suit the joint.

How much sealant is in the tube?

The listed volume is 50 Millilitres, making it more suited to small repairs than extensive sealing work.

How long does it take to cure?

The listed full cure time is 24 Hours. Separate product copy says curing progresses at around 4–5 mm per day depending on conditions and bead thickness, so follow the package instructions.

Can it be used in a bathroom or kitchen?

The product is advertised for bathroom and kitchen joints, including sinks, baths and showers, and is described as waterproof. Protect the fresh bead from water for at least 3 hours according to the listing.