How to Approach Painting Interior and Exterior Walls: A Comprehensive Guide

Painting walls is more than just a way to refresh your space; it’s an opportunity to transform the look and feel of your home. Whether you’re painting interior or exterior walls, understanding the purpose and process is key to achieving a professional finish. Let’s explore the why and how of painting both interior and exterior walls.

Add colour: Interior paint brings life to your walls. Choosing colours that complement your furniture, flooring, and curtains creates a cohesive and inviting space.

Create Texture: Textured paints or specialised rollers (like honeycomb rollers) can add depth and character to walls.

Regulate Temperature: Light colours can make rooms feel cooler, while warm tones add coziness in colder seasons.

Protect Walls: Painted walls are easier to clean and maintain, protecting them from stains and marks.

Weather Protection: Exterior paint shields walls from harsh weather conditions, including rain, UV rays, and wind.

Enhance Curb Appeal: A fresh coat of paint boosts the visual appeal of your home, increasing its value.

Prevent Damage: High-quality exterior paint can prevent cracks and water damage, extending the lifespan of your walls.

Measure the Wall Widths: Add up the widths of all walls you plan to paint.

Calculate the Surface Area: Multiply the total width by the height of the walls.

Account for Paint Coverage: Divide the surface area by the paint’s spread rate. For two coats, double this figure.

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Choose the Right Paint Type

– PVA Matt: Offers a non-shiny, flat finish for low-traffic areas.

– PVA Sheen: Provides a shiny, washable finish ideal for high-traffic areas or homes with kids and pets.

Prepare the Room

– Ensure proper ventilation.

– Move furniture to the center and cover with drop sheets.

– Remove frames, hooks, curtains, blinds, and fittings. Place small items in a container.

– Mask off skirting boards, cornices, plugs, and switches.

Fix Wall Problems

– Fill cracks and small holes with crack filler.

– Scrape off flaking paint.

– Seal gaps around windows and doors with acrylic sealant.

– Apply a plaster skim to uneven surfaces and sand smooth.

– Clean the walls with a damp cloth and let them dry.

Apply Primer and Top Coat

– Stir plaster primer well and apply a coat of 3-in-1 primer. Let it dry overnight.

– Stir the PVA paint thoroughly.

– Use a 75mm brush to paint edges, skirting, and cornices.

– Apply the top coat with a roller and let it dry for 4-6 hours before applying a second coat.

Clean Up

– Tightly seal paint and primer tins.

– Wash rollers and brushes with the appropriate cleaner (water for PVA, thinners for primer).

– Remove drop sheets and masking tape.

– Dispose of leftover paint responsibly; never pour it down the drain or in the garden.

Prepare the Surface

– Wash the walls to remove dirt, mildew, and grease.

– Repair cracks and fill gaps with exterior-grade fillers.

– Sand rough areas and scrape off peeling paint.

Choose the Right Paint

– Opt for weather-resistant, UV-protected exterior paint for durability.

Apply Paint

– Start with a primer to ensure good adhesion and longevity.

– Use a roller for large areas and brushes for edges and corners.

– Apply at least two coats for optimal coverage.

Painting can seem daunting, but with careful preparation and the right techniques, you can achieve a flawless finish that lasts. Whether you’re tackling interior or exterior walls, following these steps ensures a professional result every time. Happy painting!