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Everbuild Everflex Roof and Gutter Sealant – Butyl-Based Sealant and Adhesive for Roofing – Black – 295ml

Pros

  • Butyl-based formula gives instant, permanent weatherproofing on roofing joints
  • Adheres to bitumen, asphalt, felt, metal and wood
  • Excellent weathering properties for long-term outdoor use

Cons

  • Black colour only — not discreet on lighter roofing materials

Specifications

Price tier
Budget

How it compares in Adhesives & Sealants

We list 42 adhesives & sealants products, priced from £3.47 to £47.95. At £6.98 this one is the 13th cheapest of them 29 cost more. The average across the subcategory is £10.44 and the midpoint is £8.96, so it lands £3.46 below the average.

Its 4.5-star score sits 0.06 below the adhesives & sealants average of 4.56, with 25 of the 42 rated higher. Its 780 Amazon reviews make it the 33rd most-reviewed here, against a subcategory average of 2,868.

Price position in Adhesives & Sealants

Cheapest £3.47This one £6.98Dearest £47.95

Splitting the subcategory into three price bands puts this product in the Mid-range band (£6.99£10.21), which holds 12 of 36 products and averages £8.81 at 4.56 stars.

Average price and rating of each price band in Adhesives & Sealants
BandRangeProductsAverage priceAverage rating
Budget£3.50£6.5012£5.564.57
Mid-rangeThis one£6.99£10.2112£8.814.56
Premium£10.54£52.0012£16.774.57

About this product

The Everbuild Roof & Gutter Sealant is a versatile butyl-based sealant and adhesive designed for use on a wide range of roofing materials. This 310ml black paste offers instant, permanent weatherproofing for joints and gaps, providing long-term protection against the elements. It’s formulated to adhere effectively to surfaces including metal, wood, bitumen, asphalt, felt, and slate – commonly found in roofs and gutters.

This product is suitable for both experienced tradespeople and DIY enthusiasts undertaking roofing maintenance or repair projects. The sealant can be applied using a caulk or sealant/adhesive cartridge application gun, such as the Everbuild Power Pro Heavy Duty Sealant/Adhesive Cartridge Applicator Gun, allowing for precise filling and sealing of cracks and gaps in roofs, joint seal gutters and down pipes, or sticking down loose roofing felt.

The butyl-based formula delivers excellent weathering properties, ensuring durability and resistance to prolonged outdoor exposure. It remains permanently plastic under a surface skin, providing robust protection once applied. Please note that this sealant is available exclusively in black; it may not be suitable for use on lighter coloured roofing materials where discretion is required.

Measuring approximately 49 x 49 x 230 millimetres and weighing just 0.49 Kilograms, the Everbuild Roof & Gutter Sealant comes with a C3 Cartridge. The manufacturer, Sika Everbuild, provides contact information at 41 Knowsthorpe Way, Leeds LS9 0SW for any queries or support you may need.

Related attributes

FAQ

What types of surfaces can this sealant be used on?

This Everbuild Roof & Gutter Sealant is formulated to adhere to a wide range of roofing materials including bitumen, asphalt, felt, metal and wood. It’s designed for use on gutters and downpipes as well as roofs.

What size is the sealant container?

The Everbuild Roof & Gutter Sealant comes in a 310ml container which is suitable for various sealing projects. It’s supplied with a C3 Cartridge for easy application.

What is the sealant made from?

The sealant utilizes a butyl-based formula, providing weather resistance and a permanent seal when applied. This synthetic rubber material offers excellent adhesion to multiple surfaces.

How does this product compare to other similar sealants in terms of durability?

The butyl-based formula is designed for long-term outdoor use, offering good weathering properties. It’s intended to provide a durable and permanent weatherproofing solution for roofing joints.

What tools are recommended for applying this sealant?

It's best applied using a caulk or sealant/adhesive cartridge application gun, such as the Everbuild Power Pro Heavy Duty Sealant/Adhesive Cartridge Applicator Gun. This facilitates precise and controlled dispensing.

Is this sealant suitable for use in wet weather?

The sealant can be applied in most weather conditions, including heavy rain, however, it is best to apply when the surface is dry for optimal adhesion and setting.

What colours are available?

This product is only available in black. Please note that this may not be suitable for use on lighter coloured roofing materials.

How does the sealant’s setting time affect its application?

The sealant has a semi-drying property, forming a permanent plastic skin under a surface layer. This allows for further working of the sealant before it fully cures.

What is the approximate weight and dimensions of the product?

The Everbuild Roof & Gutter Sealant weighs 0.49 Kilograms with dimensions of 49 x 49 x 230 millimetres. This makes it easy to handle and store.

What is the manufacturer's contact information?

The manufacturer is Sika Everbuild, located at 41 Knowsthorpe Way, Leeds LS9 0SW. You can find further details regarding the sealant’s specifications and usage guidelines on their website.