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The best penetrating primers in comparison

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WD-40 Specialist Penetrant Spray - Professional-Grade Lubrication for Mechanics and Industrial Applications - 400ml - Rust-Busting Formula

WD-40 Specialist

37% off

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9,9

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Features

Rapid Penetration Quickly penetrates and frees stuck parts and components with ease, saving you time and effort
Precision Application Equipped with a user-friendly spray can featuring a precision straw for pinpoint accuracy, making lubrication tasks precise and effortless
Versatile Utility Perfectly suited for a wide array of applications, including automotive, marine, and industrial tasks, making it an indispensable tool

Bonda Marine G4 Primer Sealer 500g

Bonda

9,8

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Features

Made of quality material
Bonds fibreglass to wood, metal and concrete

£ 16.98

£ 16.98

Resincoat Deep Penetrating Epoxy Primer (5Kg)

Resincoat

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9,7

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Features

Easy to use - UK Manufactured
Excellent sealing properties
Superb coverage rates (20+ sqm 5kg)
Suitable for a wide range of surfaces including damaged, friable and weak floors or where deep penetration of the substrate is required to act as a barrier

GLEAN Door Restore Colour Reviver Aerosol | 3 x 400 ml | Restores Faded Composite & uPVC Surfaces | Deep Penetrating Oil for Doors, Decking, GRP & Plastic Finishes

GLEAN

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& Deep-penetrating colour restorer revives worn, sun-damaged uPVC, fibreglass, and plastic surfaces, restoring original colour and finish.
Creates a weatherproof, UV-resistant barrier that shields composite, GRP, and plastic surfaces from further fading and staining. No cracking or peeling.
& Liquid formula spreads evenly for fast, visible results. Ideal for use on doors, window frames, shutters, and decking. Apply with a cloth or brush no sanding or messy prep required.
Precision-engineered penetrating oil, re-wets pigments and reactivates colour in plastic, uPVC, and composite door finishes. No spray paint, no peeling lacquer, or texture change, just smart surface renewal.
- , - GLEAN is a leading UK brand in outdoor surface care, trusted for long-lasting solutions in composite door restoration, decking restorer, and pvc cleaner and restorer.

Raincheck Water Seal 5 Litre - Breathable, Colourless Waterproofer for Brick, Stone, Mortar & Concrete

SAFEGUARD

9,7

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Features

Ready for use water seal which is developed using silicone hydrophobic technology, modifying the surface of the substrate and lining the pores, creating a water-resistant coating.
Creates a breathable waterproof barrier, which still allows the wall to breathe.
Colourless and solvent free waterproofer compared to other standard water seals, the low VOC and water-based formula offers an array of benefits such as little odour, quick curing time, good coverage, and a durable finish. It maintains the natural beauty of the substrate to which it is applied to.
Highly versatile it can be applied by either brush, roller or sprayer, and is water-repellent on stone, mortar and brick, with the ability to bridge hairline cracks.
Offers stability against corrosion through its formula which minimises de-icing salts, and an impermeable protection against frost through its thermal insulation properties. UV-resistant formulation.

£ 19.99

£ 22.99

Everest Trade - Penetrating Polyurethane Concrete Dustproofer/Floor Primer & Sealer (Clear, 5 Litre)

Everest Trade Paints

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9,6

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Features

For Use With Everest Trade Polyurethane Floor Paints
Manufactured to ISO9001 Standards to Ensure Quality
Provides A Great Base Coat For Floor Paints On Bare Concrete.

DECOMIN TRAVERTINO - Natural Stone Effect - Acrylic Decorative Plaster 4 KG - Interior & Exterior - Water Based - Exclusive Finish

DECOMIN

16% off

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9,6

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Features

STUNNING LOOK TRAVERTINO will give a stunning look to your walls that everyone will love!
CHOOSE YOUR COLOUR TRAVERTINO comes as base colour that you can tint it with any universal acrylic colourants if you want to!
INTERIORS, EXTERIORS and SHOWERS Ideal for almost any surface. You need to apply Decomin Universal Wax if you will apply TRAVERTINO to a bathroom.
PREMIUM, NATURAL, AUTHENTIC and BEAUTIFUL The ultimate replacement for paint!

Roxil Wood Stain Preserver 5 Litre (Chestnut) Fast-Drying Satin Finish for Decking, Fence, Shed, Furniture. Up to 5 Year Protection for Indoor & Outdoor

Roxil

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9,6

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Features

Water based, low odour formulation with zero VOCs, making it easy to clean and guaranteeing no harmful carbon-based chemicals are being released into the air. It is also non-flammable.
Six rich and vibrant colours to choose from, each with a unique hue and a satin finish. This enhances the natural wood grain, unlike fence paint which completely covers the surface.
Versatile multi-surface application can be used on hard and soft woods as a primer or finishing coat, and applied on multiple surfaces such as doors, sheds, window frames, fences and furniture by either spray or brush. A 5 litre pack covers 25 m . Touch dry in 30 minutes, overcoat after 60 minutes.

£ 29.99

£ 29.99

Dryzone Damp & Stain Seal Paint (500ml, White) | Block Damp Stains on Plaster, Cement, Stone, Mortar Interior Surfaces | White Matt Undercoat Paint

Dryzone

9,5

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Features

Ultimate Stain Block Paint Permanently seals damp stains and prevents bleed-through for a clean decorative base. Perfect for bathrooms, kitchens, garages, high-condensation or flood damaged areas. 1L 5m2 coverage.
Quick-Drying White Damp Proof Paint Save time on same-day renovation projects, ready for overpainting or wallpapering in just 4 hours. Brilliant white finish for great results, even on its own.
Reset After Mould Cleaning Covers mould and mildew stains and scars for a long-lasting finish on interior walls and ceilings. Covers most forms of mould, including black, brown, green and pink mould.
Durable Performance Tough, reliable coating that blocks damp stains. No need for repeat applications. Use after resolving the underlying penetrating damp or rising damp problem.

Recommendation

Rain Guard Water Sealers CR-0401 Micro-Seal HD Ready to USE HIGH Solids Sealer Covering Up to 300 Sq. Ft. All Masonry Surfaces. 1 Gallon Clear Penetrating Silane and Siloxane Professional Grade.

Rainguard International

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9,5

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Features

Restore, protect and extend the life of any masonry horizontal or vertical surface with a 80% High Solids High performing hydrophobic coating.
Does not alter surface appearance - does not leave a surface film, no sheen and will not yellow.
Protects your investment with a twenty year satisfaction and can be used anywhere in the country.
100% penetrating coating provides excellent resistance to water, salt spray, ice removal agents and wind driven rain.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these penetrating primers.

Polar Dark Grey Concrete Stain - 5 Litre | Durable, Stain & Slip-Resistant Finish for Interior & Exterior Stone & Concrete Floors | Smooth & Solvent-Free Coating for Driveways, Walkways & Patios

Tough & Stylish Concrete Stain Enhance and protect your concrete surfaces with Polar Concrete Stain, a solvent-free solution that provides a weather-resistant, smooth finish. Safe for pets and children, it ensures long-lasting performance, combining durability with aesthetic appeal

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Sempre - Grunt W 5l Priming agent – A deeply penetrating water-based primer for brick concrete plasterboard- universal ready to use priming agent

balances the absorbency of the substrate

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Barrettine Premier Universal Wood Preserver (Clear, 5L) - Deep Penetrating Oil Based Preserver for Over Painting/Coating, Suitable for Indoor & Outdoor Use

UNIVERSAL WOOD PRESERVER - Barrettine Clear Universal Wood Preserver penetrates wood & stone easily and thereby gets deep into inner layers. It is moisture regulating and provides an adhesive surface suitable for glues, fillers, and solvent or water-based finishing treatments such as paints, varnishes, stains and more.

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TRANS - PAL DL-80 Deep Penetrating Primer 5L – Polymer Power | High Adhesion | Breathable & Waterproof | Indoor & Outdoor

Vapour-Permeable Allows moisture and air to pass while protecting from surface damage

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Wethertex ST1 Quick Dry Stabilising Primer - Excellent Adhesion - Quick Drying Formula - Water Based - Clear - 5L

DEEP PENETRATING QUICK DRYING STABILIZING PRIMER - Wethertex ST1 is the perfect product for use when preparing unstable exterior surfaces for painting. This product helps to penetrate deep into the substrate, creating ultra-high adhesion and high vapour permeability.

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Blackfriar BKFWPA500 Wood Primer, 500 ml, Aluminium

Application method is brush, roller and spray

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Womersleys Lime Green Silic8 PS1 Penetrating Primer 5.5KG

Lime Green Silic8 PS1 is a fluid mineral based plaster primer which is designed to control many high suction backgrounds whilst still remaining vapour open

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Ceresit CT17 - Primer Profi (10)

Deep penetrating, quick drying.

free shipping

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Action Can | RP-90 Rapid Penetrating Oil TwinSpray | 500ml

TwinSpray professional-grade applicator with dual-action spray system and a fixed-in straw.

free shipping

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Polycell Damp Seal Aerosol 500ml , White , Pack of 1

Seals patches of penetrating damp in just one coat

~~£ 12.99~~ free shipping

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TOUPRET WALL HARDENER - Penetrating Substrate Hardener 1KG 20102

Can be left unpainted

free shipping

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Conpart Hydrosol Deep Primer LF 1004 Solvent-Free Deep Penetrating Special Primer 10 Litres

Hydrophobic set

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The best penetrating primers in comparison

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Features

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You might also be interested in these penetrating primers.

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