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How to Clean and Restore UPVC Window Frames, Doors and Hard Plastics

UPVC is used throughout the home from window frames and doors to conservatories, fascias, soffits, guttering and exterior trims. This low maintenance plastic is long lasting, but over time it can still collect dirt, algae and grime – especially outdoors.

A good UPVC cleaner helps remove this build-up and restore a brighter, cleaner appearance without the need for heavy scrubbing. Furniture Clinic UPVC Cleaner & Restorer is a ready-to-use cleaner designed for UPVC, PVC and other hard plastic surfaces, making it ideal for both interior and exterior cleaning.

What is UPVC Cleaner & Restorer?

Furniture Clinic UPVC Cleaner is a water-based plastic cleaner developed to deep clean UPVC and PVC surfaces, restoring the original look and shine. It uses a spray-and-wipe formula, to lift dirt, grease, outdoor staining and environmental grime, helping surfaces look clean and refreshed.

It is suitable for regular maintenance as well as deeper cleaning on areas that have started to look dull, dirty or marked. On white UPVC, the cleaner restores brightness within minutes. It’s also great to keep black plastic trims looking new, leaving a smooth, streak-free finish with no residue.

This makes it a useful UPVC restorer for window frames, doors and exterior plastics without damaging the surface finish.

What can you use it on?

Furniture Clinic UPVC cleaner can be used on a wide range of hard plastic surfaces, both indoors and outdoors. It is especially useful to clean:

·       UPVC window frames

·       Double glazing window frames

·       Window sills

·       Composite doors

·       Conservatory frames and roof panels

·       Fascias, soffits and guttering

·       Cladding and exterior trims

Why UPVC and PVC can become dirty over time

Although these materials are low maintenance, they are still exposed to everyday dirt. Exterior surfaces are prone to algae build up and general outdoor dirt. Window frames and doors can also become marked from fingerprints and grease.

Over time, this build-up can make white UPVC look dull or grey. Coloured plastics and composite doors can also lose their clean finish if dirt is left to sit on the surface.

Using a dedicated UPVC cleaner helps remove this build-up safely and quickly, restoring a cleaner appearance without harsh scrubbing.

How to use UPVC Cleaner

Follow these simple steps to clean UPVC, PVC and hard plastic surfaces.

Step 1: Shake the bottle well

Before use, shake the bottle to make sure the formula is properly mixed.

Step 2: Work in small sections

For best results, clean one small area at a time. Avoid applying the cleaner in direct sunlight or onto hot surfaces, as this can cause the product to dry too quickly.

Step 3: Spray directly onto the surface

Spray the UPVC Cleaner & Restorer directly onto the window frame, door, sill or plastic surface you want to clean.

Step 4: Wipe with a damp cloth

Use a damp cloth to rub the area and lift away dirt, grease and staining. Apply extra pressure where needed on more stubborn marks.

Step 5: Buff with a dry cloth

Once the surface is clean, buff it with a clean, dry cloth. This removes any remaining residue and helps leave a smooth, streak-free finish.

Step 6: Repeat across the full area

Continue working section by section until the full surface has been cleaned.

How often should you clean UPVC?

How often you clean UPVC depends on where it is and how exposed it is to dirt. Exterior window frames, doors and conservatories may need cleaning more often due to weather changes.

As a general guide, clean UPVC and PVC surfaces whenever they start to look dull, marked or dirty. Regular cleaning helps prevent heavy build-up and keeps surfaces easier to maintain.

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