Surface Preparation

Rawlins Paints have prepared a carefully selected range of surface preparation products, including primers, reinforcement fleeces and preparation solutions for interior and exterior walls and ceilings prior to the application of our paints and coatings. These products improve adhesion, spreading rates and overall system life and should be used before starting any painting project. Ensuring the surface is sufficiently cleaned, selecting the right primer for the substrate, using a filler to make the surface good before painting are all things most of us fail to do, but these crucial steps are the most common reason for a paint or coating failing.

Featuring a wide range of problem-solving paints and coatings from Blackfriar Professional, Coo-Var, Mathys, Rust-Oleum, Sika, Teamac, Thermilate and Zinsser, these products can transform formerly difficult surfaces including glass, previously glossed or varnished surfaces, vinyl, wallpaper, water-stained walls, nicotine stained and odorous units, into as good as new surfaces ready for a bright new colourful topcoat.

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Zinsser Bulls Eye 1-2-3

Zinsser Bulls Eye 1-2-3 is a water-based all surface, all-purpose primer, sealer & stainkiller.  It is also particularly effective as an adhesion promoting primer for hard-to-stick surfaces even without sanding. Interior and exterior  Available in 3,000+ colours, inc. RAL, RAL Design, BS, NCS & the new NCS 2050 colours Seals...

Price £16.75 (ex. VAT)
In Stock and Available for Delivery

Zinsser Gardz

A unique water-based sealer for porous and potential problem surfaces. Gardz® is formulated to deeply penetrate and dry to a hard, moisture resistant film that seals and binds down porous, chalky and crumbling surfaces, paints and textured finishes. • Repairs torn paper on damaged drywall, eliminating bubbles • Protects and seals new...

Price £8.41 (ex. VAT)
In Stock and Available for Delivery

Zinsser Peel Stop

Zinsser Peel Stop, a flexible binding primer designed for problem interior / exterior painted surfaces that exhibit chalking, alligatoring, cracking, flaking, and peeling. Penetrates and binds chalky residues, seals cracked or crazed surfaces providing a sound surface for primer and paint. seeps into cracks and gaps under the edges of old...

Price £9.60 (ex. VAT)
In Stock and Available for Delivery

Rust-Oleum Mathys Pegalink Universal Adhesion Primer

Rust-Oleum Mathys Pegalink Universal Adhesion Primer is a water based primer for indoor and outdoor use. Adheres to many surfaces: wood, gypsum, cement, bricks and especially on smooth and difficult to adhere to surfaces like: galvanised steel, copper, zinc, polycarbonate, hard PVC, Pegagraff Hydro, etc. Excellent adhesion Flexible...

Price £17.89 (ex. VAT)
In Stock and Available for Delivery

Rust-Oleum Mathys Primer 44 HS

Rust-Oleum Mathys Primer 44 HS has a large fixation capacity for stabilising loose particles and improving the adherence of subsequent topcoats. Unsaponifiable Good UV resistance Excellent fixation on roofs Very flexible   Chlorinated rubber technology, solvent-based  Quickly water-resistant (1 hour after application at 20°C)...

Price £68.63 (ex. VAT)
In Stock and Available for Delivery

407 Multi Surface Primer

407 Multi Surface Primer is a primer/sealer which offers excellent stain blocking and alkali resisting properties across substrates such as tiles, wood, metal (including galvanised), plaster, existing paint, masonry and most plastic. Single pack Internal or external use Gives excellent coverage to a multitude of stains Touch dry in just...

Price £35.68 (ex. VAT)
In Stock and Available for Delivery

Rust-Oleum 3333 Super Adhesion Primer

Rust-Oleum 3333 Super Adhesion Primer provides excellent adhesion on non-porous, dense mineral substrates like: Tiles or power floated concrete Non-ferrous metals like stainless steel, aluminium or new hot-dip galvanized steel Thermosetting plastics like fibreglass-reinforced polyester or epoxy Perfect chemical bond without blasting or...

Price £27.34 (ex. VAT)
In Stock and Available for Delivery

Coo-Var Masonry Stabiliser

Coo-Var Masonry Stabiliser is a binding and sealing solution for degraded and porous masonry. To be used prior to painting to ensure the surface is sufficiently prepared. Product information Suitable Surfaces: Brick, Plaster, Screed Application: Brush or roller Drying time: Touch Dry 2 hours or 12 hours hard dry Overcoat time: 12 hours...

Price £16.75 (ex. VAT)
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Teamac Teamacryl Acrylic Primer Sealer Undercoat

Teamac Teamacryl Acrylic Primer Sealer Undercoat, is a water based and low odour paint designed to prime and seal porous surfaces. Used as a primer/sealer on: Wood Hardboard Blockboard Plaster Masonry Most absorbent surfaces Click to jump down to Technical Data Coverage Calculator More Information Delivery Info

Price £18.66 (ex. VAT)
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Coo-Var Tile & Melamine Primer

Coo-Var Tile and Melamine Primer is an ideal primer for tile and melamine surfaces prior to painting. Ideal for use in kitchens and bathrooms. Tiled surfaces. Most paints will adhere to this coating, water or oil based. Apply with brush or roller. Available in sizes from 1L up to 5L Coverage Calculator More Information Delivery Info...

Price £23.65 (ex. VAT)
In Stock and Available for Delivery

Coo-Var Alkali Resisting Primer Sealer

Coo-Var Alkali Resisting Primer Sealer is ideal as a high quality primer prior to painting. It is resistant to solvents and salts. It is excellent on walls and plaster, with easy application. Product Details Interior/Exterior use Resistant to solvents Resistant to salts Combats varying degrees of porosity Matt finish Coverage...

Price £18.67 (ex. VAT)
In Stock and Available for Delivery

Coo-Var Acrylic Primer Sealer Undercoat

Coo-Var Acrylic Primer Sealer Undercoat is a water-based, low odour primer ideal for plaster preparation or any wood surface which requires priming inside or out. Fast drying and easily applied. Exterior/Interior use Matt finish Available in sizes from 500ml up to 5L Apply with roller, brush or spray Coverage Calculator More...

Price £11.09 (ex. VAT)
In Stock and Available for Delivery

The Importance of Surface Preparation

Choosing the right topcoat for renovation or rejuvenation projects may seem like the most important stage, but it is merely the tip of the iceberg – and what really counts is the surface and substrate preparation stages. Legacy stains, materials, mould, algae, bold colours and worse can reappear quickly, or through a slow, more corrosive time, leading to further work and expense to get right the preparation, priming and undercoating tasks which should’ve been done to start with.

It is estimated that 75% of paint systems fail due to improper or incomplete surface preparation work. So, what is involved in surface preparation? Which products accomplish the required result in a full system? How does one paint surfaces that standard coatings simply will not adhere to?

After the initial cleaning stage – removing grease, oil, remnants of cleaning products, dust, salt, dirt and loose debris and materials, along with filling in any gaps, holes and cracks in the surface or substrate - the real work can begin and the answers to the following questions become a major part of future maintenance, repair and decoration projects from small touch-up jobs, to major workplace projects – both internally and externally.

What is the Difference Between a Basecoat, a Primer and an Undercoat

An undercoat is a primer, but a primer is not always an undercoat. Let us explain:

Surface preparation and first coating products are not particularly interchangeable, and knowing what results to expect from a primer or an undercoat/basecoat is important. Along with this, it is important to note whether the topcoat system you are to use is recommended for use only on water-based or solvent-based products, or indeed both.

A paint system might look like – 1. Primer 2. Undercoat 3. Topcoat

For bare or new surfaces and untreated substrates, a primer can bond porous materials, as well as seal, hide and bond upon drying to form a strong and dependable foundation for a topcoat.

A bonding primer improves adhesion and acts as a bridge between the surface or substrate and the topcoat system – for example on:

  • Glass
  • Vinyl or laminated surfaces
  • Plastic trim or molding
  • Galvanised metal
  • Stainless steel
  • Previously glossed, enamel painted, or varnished surfaces
  • Treating knots on wood and stopping sap from leaking out

Primers that seal and bind stains, bad odours and smoke damage, will require a topcoat for the shadow of bad stains and damage to be covered. The primer will not allow further bleed of the problem through to the new topcoat surface layer – although it may be slightly visible after the primer has sealed it.

On metal, a primer will inhibit its corrosivity and help prevent rust. Some metal topcoat systems do consist of one-coat products, but in corrosive and high-humidity areas, always use a metal primer, too.

The best performing, best looking and aesthetically pleasing, and longer-lasting topcoat systems include a primer as the first coat.

Primers can be followed by undercoats, if required, to build the thickness of the paint film, give improved opacity, to improve stain blocking functionality of the basecoat system, to further fill depressions, cracks and gaps from the primed substrate or surface.

Undercoats, or basecoats, are typically thicker coatings designed to cover a multitude of surface ailments – from filling in and bridging hairline cracks, to levelling minor surface imperfections. You may find that a manufacturer or datasheet also specifies that the undercoat must be sanded prior to a topcoat application.

Application methods – brush or roller – will deliver differing results. Basecoats should be chosen specifically to meet the project demands, for example:

  • Dealing with damp and condensation
  • Improving adherence for the topcoat to porous surfaces
  • Covering stains or dark colours with pure white or light shade topcoats
  • Forming a level surface over peeling and damaged wallpaper

Basecoats can sometimes be closer in comparison to plaster than paint, in levelling and eradicating surface damage, age, and general wear and tear.

How to Get Improved Colour Retention from a Paint Topcoat

It is important to colour match a primer or undercoat as closely as possible to the topcoat system. Do not use dark primer or undercoats on stains, to then use a light or white topcoat, as this will require many more coatings to completely mask the underlying contrasting colour.

For dark blue topcoats, use medium to dark blue primer or undercoats, where available. For white topcoat systems, use white, or off-white primer/undercoat finishes. The deeper the tone of the surface preparation products, the deeper the tone the topcoat needs to be.

How to Paint Over Previously Glossed Surfaces

For projects where there is minimal surface preparation time available to sand back or de-gloss previously varnished or painted surfaces, Bulls Eye 1-2-3 Plus will provide a surface adhesion promoting coating that is easy to overcoat. Now, painting over gloss skirting boards or doors can be done after basic surface cleaning.

How to Paint Damaged, Flaky and Peeling Surfaces

Zinsser’s Peel Stop stops peeling paint, quickly. Easy to use and applicable on internal and external surfaces, this primer will allow for successful adhesion of a new topcoat, without any more paint peeling off again.

Gardz® is another high-performance interior-use product from Zinsser, for use on damaged walls, failing paints and textured finishes, damaged or new drywall, spackling and joint compound skim coats, calcimine, uncoated wallpaper, lining paper, filler and wallcovering adhesive residue.

Zinsser Drywall Pro 2 in 1 is a unique priming and sealing paint too, for preparing damaged drywall, plaster and porous surfaces for painting, wallpapering, texturing and other decorative projects.

How to Paint on Glass

Please read this post from Rawlins Paints for further information on painting glass surfaces.

Zinsser Bulls Eye 1-2-3 Plus is an all-purpose, water-based primer, sealer and stainkiller. It effortlessly deals with hard to paint interior and exterior substrates such as glass, glossy surfaces, ceramic tiles, non-ferrous metal, vinyl, hardboard, melamine, varnish, plastic, GRP, UPVC, wood, masonry and more.

How to Paint Over Old Wallpaper

Zinsser Wallpaper Cover-Up is an all-in-one primer, sealer & stain block with high hiding power that obliterates wallpaper print with a smooth matt, off-white finish. It’s the smart way to paint over wallpaper without the need for stripping it, first. It will obliterate garish wallpaper colours and print in just one coat, and can be over painted the same day.

How to Paint Over Stained Surfaces

Blackfriar Problem Solving Primer is a multi-purpose primer that seals difficult stains caused by water or mould, and provides excellent adhesion to a range of surfaces. Troublesome stains that this product can cover, include nicotine, water, adhesive residues, soot, and wood tannins.

Even the toughest stains do not stand a chance against Zinsser Cover Stain®. Its oil-based formula seals and blocks legacy discolouration and liquids from bleeding through again, like they can do on ordinary surface primers. Say goodbye to old smoke, soot and nicotine stain residues, as they are permanently blocked.

How to Paint Ceramic Tiles

Please read this post from Rawlins Paints for further information about painting over, rather than replacing ceramic tiles.

Rust-Oleum Tile Transformation Kit is a revolutionary do-it-yourself tile coating system that enables you to easily and affordably transform your tiles. Now, you can paint over old tiles without removing them, leaving tired and worn tiles with an ultra-durable finish that will last for years.

How to Paint Melamine Surfaces

Coo-Var Tile and Melamine Primer is an ideal primer for tile and melamine surfaces prior to painting. It is ideal for use in kitchens and bathrooms or other tiled surfaces. Most paints will adhere to this primer, water or oil based.

How to Paint Over Vinyl Surfaces

Bulls Eye 1-2-3 is the go-to product for many maintenance managers, as it covers a multitude of stains and inks, as well as binding chalky exterior surfaces, like aluminium, vinyl, or previously painted and decorated siding or trims.

This all in one primer, sealer and stain killer for internal and external substrates, structures and surfaces, can also be used on:

  • Painting over gloss paint
  • Glass
  • High humidity areas – kitchens, bathrooms and laundry facilities
  • Walls and ceilings
  • Metal doors
  • Masonry
  • Fibreglass
  • Hardboard
  • PVC
  • Weathered wood
  • Pressure treated lumber
  • T1-11 siding
  • Painting over black paint and other dark colour, previously decorated surfaces

UPVC Paint

Please read this post from Rawlins Paints for further information on painting PVC surfaces

Rust-Oleum Mathys Pegalink Universal Adhesion Primer is a water based primer for indoor and outdoor use. It adheres to many surfaces, including UPVC and hard PVC.

Designed for all exterior surfaces, Zinsser AllCoat Exterior Satin is also ideal for painting on UPVC. It is self-priming, and will bond to existing glossy surfaces without sanding. 

How to Seal Porous Surfaces

Mathys Porisol can be applied undiluted on very porous substrates (cardboard, paper, light kinds of woods), and diluted on substrates with different absorption capacity (plaster, wood-fibre boards, etc.). It can be used as a sealer undiluted on exotic wood, aniline colours and surfaces soiled with coaltar.

Blackfriar Stabilising Solution is essential for binding powdery and porous surfaces before decoration. It binds unstable surfaces, such as old lime wash and distemper, to provide a firm foundation on interiors and exteriors.

Mathys Pegafix is a colourless impregnating primer for porous, mineral substrates such as concrete, breeze block, bricks, etc. before painting them with waterborne paints.

Mathys Fixonal is a fixating clear varnish based on acrylic polymers to strengthen all porous or chalking substrates. Mathys Fixonal reinforces the adhesion of the new coat on the old paint and makes it more flexible.

How to Paint Over Rust

Please read this post from Rawlins Paints for further information on painting over rust.

Rust-Oleum CombiColor is a primer and a topcoat in one that provides protection for years, in minutes. A high quality, one coat maintenance system for metal that can even be applied directly to rust!