Tips & tricks for spraying paints and varnishes

This is Carina. She shows on a frence how to spray wood stains and varnishes. She also shows you which settings need to be selected to achieve a perfect spraying result with the Universal Sprayer W 590 from the WAGNER FLEXiO range.

Do I have to mask and cover when spraying?

Regardless of whether you're using a brush or a sprayer, before you start on a paint job you must always mask and cover the work area. This stage of the work is absolutely essential, even though it's the part most do-it-yourself enthusiasts least look forward to. Because if the paint job is insufficiently well prepared, cleaning up afterwards takes up much more time than masking beforehand. Masking a fence, for example, is quickly done. Carina shows how easy it is.

Which spray attachment is suitable for my project?

Two spray attachments are supplied with our FLEXIO paint spraying systems: One for spraying emulsion paints and another spray attachment for working with wood and metal paints. The symbols on the spray attachments indicate their designated use.

What do I have to consider when diluting?

Wood and metal paints have different viscosity, meaning they flow at different rates. Carina shows how to test the viscosity and correctly dilute the paints accordingly. The stirring rod included in the box helps with this. In this case, each notch equates to a 10% dilution.

How does the suction tube work?

The suction tube in the spray attachment delivers the materials from the container to the nozzle. We recommend adjusting the angle of tilt on the suction tube to face either forwards or backwards, depending on the direction of work (upwards or downwards-facing). In summary, this means that when working on overhead objects, the end of the suction tube should be facing the rear of the spray gun and when pointing the gun downwards, the tube should face forwards.

How do I adjust the air volume correctly?

The FLEXIO paint spraying systems allow you to regulate not only the paint volume but also the air volume. So for lower-viscosity substances a reduced air volume is selected, while higher-viscosity substances are processed with a higher air volume. 

How do I set the volume of paint correctly?

The paint volume selected depends on your working speed and on the undercoat. This can be regulated using the rotary knob on the device. The location of the rotary knob and how the spray pattern changes during spraying are demonstrated in this video. 

Are there basic rules for spraying?

As always, when trying out something for the first time it is always worth familiarizing yourself with the device first. Because the way you handle the spray gun influences the spraying result. So, anyone who bears the following three tips in mind will not only have fun spraying but will also achieve a great result.

  1. Maintain a distance of 5-10 cm from the object being sprayed.
  2. Move the device evenly and perpendicularly to the object.
  3. Ensure that the sprayer is past the edge of the intended coverage area when changing the spray direction.

When do I use which spraying direction?

When spraying, it's natural to change the spray direction: sometimes spraying from left to right, other times from top to bottom. To avoid having to compromise in terms of comfort, the wood and metal paint spray attachments can be adjusted three ways: Vertical flat, horizontal flat and circular spray patterns are all possible.

There's not enough material coming out of my nozzle. What should I do?

If the paint is being applied too thinly, that’s not a problem. The paint volume can easily be increased using the rotary knob. What’s more, the contactless application of the paint enables several coats to be sprayed on.

How do I avoid overspray?

Spray mist can be reduced to a minimum with some simple adjustments to the direction and settings of the device and to the viscosity of the coating material. Simply follow these three tips:

  1. Minimize the distance between the spray gun and the object being sprayed
  2. Reduce the air volume on the rotary knob
  3. Thin the paint less

What do I do if I have sprayed too much paint or varnish in one place?

No problem. Simply dab or wipe it away and respray the affected area to obtain the correct finish. Done!

What do I do if the nozzle is clogged?

After any work breaks, a brief inspection of the nozzle should be carried out. Dried-on paint can easily be removed with the supplied yellow stirring rod, or with your fingernails.

What can I do so that no more paint drips from the nozzle?

During prolonged breaks, pressure can build up in the paint container. This can cause paint to leak out from the nozzle. The solution: Just open the container briefly to release the pressurized air.

Any other questions?

Any other questions?

If you didn't find what you were looking for here, we have compiled further questions for you on our FAQ page.

DIY FAQs

Guide for spraying lacquers & varnishes

This guide will help you not to get lost in the multitude of materials and will answer the most frequently asked questions. 

Spraying varnishes

Whether it be wood, metal or other surfaces: varnishes are suitable for a range of applications and great for sealing tasks. The easiest way to apply lacquer paints is to spray them on directly. Learn here how best to proceed when spraying varnish, what you should look out for, why it's worth spraying varnishes and what the best equipment is for it.

Spraying varnishes

Spraying with glazes

As beautiful as wood is, it can be susceptible to mould and algae, pests such as woodworm and simple weathering. The application of a glaze helps to protect the wood and maintain its durability in the long term. Read on to find out more about glazes and how to apply them.

Spraying with glazes

Projects & inspirations for lacquer and varnish applications

Our WAGNER experts have therefore created easy to follow guidelines for you. Step by step and illustrated with the help of pictures, your project will succeed very easily. Let us inspire you for your own projects.

Building a tree bench

Building a tree bench

We show you how to build a tree bench in a few steps and how to paint it properly.

Building a tree bench
Building a balcony bench

Building a balcony bench

In these DIY building instructions, we show you how you can redesign your balcony to create a lounge area for lazy summer evenings.

Building a balcony bench
Painting a garden shed

Painting a garden shed

Sari and Christian from the blog Saris Garage show how simple and above all quick it is to paint a summerhouse using an airless paint spray system.

Painting a garden shed
Building a garden lounger

Building a garden lounger

This particularly chic and ergonomic garden lounger is guaranteed to make your neighbours jealous - it's time to relax and give your senses a treat!

Building a garden lounger
Building a garden bar

Building a garden bar

A handy garden bar that will be the highlight of any party!

Building a garden bar
Building a herb garden

Building a herb garden

We'll show you how to turn an old pallet into a beautiful flower and herb garden in just a few steps – which also serves as a chic and durable screen.

Building a herb garden

Spraying varnishes with our HVLP paint spray systems

Our HVLP (High Volume Low Pressure) devices are designed for low-pressure spraying. With a high volume of air and low air pressure, the varnishes are atomised by the air as they exit the nozzle. The low material pressure means that the material droplets are slightly larger and the spray mist is significantly reduced as a result. We recommend the following HVLP spray units for spraying varnishes: 

Fence & Decking Sprayer

Fence & Decking Sprayer

Perfect for fences, sheds, decking or garden furniture

Wood&Metal Sprayer W 100

Wood&Metal Sprayer W 100

The handy solution for small and medium projects

Wood&Metal Sprayer W 150

Wood&Metal Sprayer W 150

The compact spray system for paint and varnish

Universal Sprayer W 575 FLEXiO

Universal Sprayer W 575 FLEXiO

Universal Sprayer W 590 FLEXiO

Universal Sprayer W 590 FLEXiO

The compact hand-held paint sprayer for interior and exterior use

Universal Sprayer W 690 FLEXiO

Universal Sprayer W 690 FLEXiO

The universal paint sprayer for interior and exterior use

Universal Sprayer W 950 FLEXiO

Universal Sprayer W 950 FLEXiO

Effortless paint application on walls and ceilings