How To Clean Inside Window Frames

How To Clean Inside Window Frames: A Step-by-Step Guide

When it comes to maintaining the cleanliness and longevity of your building’s windows, most people focus solely on the glass. However, the inside window frames are just as important. Over time, dust, grime, moisture, and even mould can accumulate in these areas, affecting both the appearance and the function of your windows. For property owners, facilities managers, and businesses—especially those in multi-storey buildings—keeping window frames clean is essential not only for aesthetics but also for operational efficiency.

At Corded.uk, we specialise in rope access solutions for external building maintenance, including window cleaning at height. Yet, we know that the internal side of window frames can be just as challenging, particularly in hard-to-reach areas or large commercial buildings. Here’s our comprehensive guide to cleaning inside window frames, ensuring your property remains spotless and well-maintained from every angle.

Why Clean Inside Window Frames?

Window frames are prone to collecting dust, dirt, pollen, and condensation. Left unchecked, this buildup can lead to:

– Allergen accumulation: Dust and mould can negatively impact indoor air quality.
– Operational issues: Dirt and debris can cause hinges, locks, and sliders to jam.
– Aesthetic concerns: Grimy frames detract from the overall appearance of your property.
– Structural damage: Prolonged moisture can cause wood rot or corrosion in metal frames.

Regular cleaning helps prevent these issues, extending the lifespan of your windows and maintaining a healthy, attractive environment.

What You’ll Need

Before you begin, gather the following supplies:

– Soft-bristled brush or vacuum with a brush attachment
– Microfibre cloths
– Mild detergent or specialised window frame cleaner
– Bucket of warm water
– Old toothbrush or cotton buds (for tight corners)
– Sponge or small scrub brush
– Dry towel or absorbent cloth
– Protective gloves (especially if using chemical cleaners)
– Optional: Spray bottle with white vinegar solution for mould or mildew

Step-by-Step Cleaning Process

1. Prepare the Area

Start by opening the window fully, if possible. Lay down a towel or dust sheet below the window to catch any debris or drips. This is especially important in offices or residential blocks where protecting floors and furnishings is a priority.

2. Remove Loose Dirt and Dust

Use a soft-bristled brush or the brush attachment on your vacuum cleaner to remove loose dust, cobwebs, and debris from the frame, tracks, and sill. Pay special attention to corners and recesses where dirt tends to accumulate.

3. Tackle the Tracks and Hinges

Window tracks and hinges can be particularly tricky, especially in sliding or tilt-and-turn windows. Use an old toothbrush or cotton buds to dislodge stubborn dirt from these areas. Vacuum up any loosened debris.

4. Wash the Frames

Mix a small amount of mild detergent in warm water. Dip a microfibre cloth or sponge into the solution, wring out excess water, and wipe down the entire frame—including the sides, bottom, and top. Use gentle, circular motions to lift grime without damaging the finish.

For wooden frames, avoid oversaturating the cloth to prevent water damage. For uPVC or aluminium frames, a slightly damp cloth is usually safe, but check manufacturer recommendations if unsure.

5. Address Stubborn Stains and Mould

If you notice stains or signs of mould/mildew, spray a white vinegar solution (equal parts vinegar and water) onto the affected area. Let it sit for a few minutes, then scrub gently with a toothbrush. Wipe clean with a damp cloth.

6. Dry Thoroughly

Use a clean, dry towel to thoroughly dry all surfaces. This step is crucial, particularly for wooden frames, as lingering moisture can cause swelling or rot.

7. Lubricate Moving Parts (Optional)

If your window frames have moving parts such as hinges or locks, apply a small amount of silicone-based lubricant to keep them operating smoothly. Wipe away any excess to prevent attracting more dirt.

Pro Tips for Hard-to-Reach Frames

In high-rise buildings or locations with restricted access, cleaning inside window frames can be particularly challenging. At Corded.uk, our rope access technicians are trained to safely reach and clean windows in even the most complex environments. For internal frames that are difficult to access due to window design or building layout, consider these tips:

– Use extendable cleaning tools: Telescopic brushes and microfibre wands can help reach awkward spots.
– Work in pairs: For safety, especially when working near open windows at height, always have a colleague present.
– Professional support: If access is impossible or unsafe, contact a specialist like Corded.uk. We offer tailored solutions for both external and internal window cleaning, using rope access techniques to minimise disruption and maximise safety.

The Corded.uk Advantage

While routine cleaning of inside window frames is manageable for most, certain buildings present unique challenges. Corded.uk provides a cost-effective, low-disruption alternative to scaffolding and cherry pickers, ensuring your property receives the highest standard of care. Our IRATA-trained technicians follow strict safety protocols, making us the trusted partner for commercial, residential, and industrial sites across the UK.

For all your high-level cleaning needs—inside and out—trust Corded.uk for safe, efficient, and professional results.

Keep your property pristine from every angle. For specialist advice or to book a window cleaning service, contact Corded.uk today.