Mastering DIY Interior Painting: Essential Tips and Techniques from Millwick Paint & Wallpaper

Interior Painting

There’s something incredibly empowering about tackling a DIY home improvement project, particularly when it comes to interior painting. With a fresh coat of paint, you have the ability to breathe new life into your living spaces, enhancing both their aesthetic appeal and functionality. As we at Millwick Paint & Wallpaper approach our 30th year of service, assisting countless customers in transforming their homes, we are delighted to share our expertise and insights to help you achieve professional-quality results with your DIY interior painting projects.

In this educational and informative guide, we will present essential tips and techniques designed to master the art of DIY interior painting, from surface preparation and colour selection to efficient and effective application methods. We will also discuss the importance of choosing the right tools and premium quality Benjamin Moore paints to ensure long-lasting, exceptional results.

Step 1: Surface Preparation – The Foundation of a Flawless Paint Job

The secret to a professional-quality interior paint job begins with proper surface preparation. By investing time and effort into this essential step, you can ensure a smooth, long-lasting, and stunning finish. Here are several vital preparation tasks:

1. Clean the Walls: Remove dust, dirt, and grease from your walls using a mild detergent and water mixture, followed by a clean water rinse. Allow the walls to dry completely before proceeding.

2. Repair Damages: Fill any holes, cracks, or dents with a suitable patching compound, sand the area smooth, and dust off the excess debris.

3. Remove Loose Paint: Scrape away any loose or peeling paint, and sand the edges for a seamless transition between the old and new paint layers.

4. Apply Primer: Applying a primer is crucial for optimal paint adhesion, colour accuracy, and durability. Choose a primer that complements your chosen paint type and follow the manufacturer’s recommendations for application.

Step 2: Colour Selection – Palette Perfection for Your Space

Choosing the right colour for your space can be a daunting task with seemingly endless options at your disposal. Keep these crucial tips in mind when selecting the perfect shade:

1. Assess the Space: Evaluate the size, lighting conditions, and existing décor elements in your room. Opt for lighter colours in smaller spaces to create an illusion of more room, while bolder colours can add depth and interest to larger areas.

2. Use Colour Psychology: Consider the desired mood and atmosphere of your room when selecting a colour. Cool tones tend to evoke feelings of calm and tranquillity, while warm colours contribute to a cozy and inviting atmosphere.

3. Test Colours: Purchase paint samples and apply them to your walls, observing how they appear under different lighting conditions and at various times of day. This hands-on approach ensures satisfaction with your final colour choice.

Step 3: Tools of the Trade – Equip Yourself for Success

Selecting the right tools for your DIY interior painting project is essential for effective and efficient application. Opt for high-quality brushes, rollers, and other accessories to achieve a professional finish:

1. Brushes: Use angled brushes for cutting in edges and corners, and flat brushes for larger surfaces. Opt for synthetic bristles for water-based paints and natural bristles for oil-based paints.

2. Rollers: Select rollers with the appropriate nap length for your wall texture – shorter nap for smooth surfaces and longer nap for textured walls. Roller extension poles can make ceiling painting more comfortable and accessible.

3. Accessories: Invest in essential accessories such as drop cloths, painter’s tape, paint trays, and a ladder, ensuring a well-prepared and clean painting process.

Step 4: Painting Techniques – Expert Tips for a Flawless Application

Once your surface is prepared, colours are chosen, and tools are ready, it’s time to dive into the painting process:

1. Cutting In: Begin by “cutting in” the edges and corners of your room using a high-quality angled brush. This process involves painting a 2-3 inch-wide strip along the edges where walls, ceilings, baseboards, and trim meet.

2. Rolling Technique: Fill your paint tray and load the roller with paint, ensuring even coverage. Use a zigzag pattern, working in a “W” or “M” shape, followed by horizontal passes to create a uniform, seamless finish. Apply at least two coats for optimal coverage and colour accuracy.

3. Drying Time: Allow sufficient drying time between coats, following the manufacturer’s guidelines to achieve the best results.


Embracing DIY interior painting can be a gratifying and cost-effective way to transform your living space, providing a unique opportunity to personalize your home with your creativity and vision. Equipped with Millwick Paint & Wallpaper’s expert tips and techniques, as well as our premium Benjamin Moore paint products, you can confidently embark on this home improvement journey, achieving professional-quality results that reflect your individual style.

With nearly 30 years of experience and a commitment to exceptional products and service, Millwick Paint & Wallpaper is here to guide and support you throughout your DIY interior painting endeavors. Trust the expertise of our paint consultant and our extensive range of premium Benjamin Moore paints to help bring your artistic vision to life, creating a beautiful and functional living space that you can proudly call your own.