Polycell Polyfilla Deep Gap Filler - 1 Litre

Easily fill deep gaps and holes, up to 20mm, in just one application. Ideal for use on most interior surfaces including plaster, masonry, cement, stone, and wood the sag-resistant formulation makes application a breeze. Once dry it can be sanded to a smooth finish that will accept nails or screws.

• Fills in one application
• Files holes up to 20mm
• Drillable and accepts nails or screws

Can be used on deeper holes but will need to be built up in layers, allowing to dry between applications

Always ensure the surface to be filled is free from dirt and any contaminates that may effect adhesion.

• Ensure the surface and cracks are free from any loose material.
• Prime nails and screw heads with a suitable metal primer.

Always follow the manufacturer's instructions found on the tub.

• Stir thoroughly before use to a creamy consistency.
• Press well into the hole with a filling knife, smoothing over.
• Do not overfill and ensure the filler is level with the surface.
• For deeper repairs above 20mm - build up in layers allowing to dry between applications.
• Allow to fully dry, if necessary sand down to a smooth finish.

Q. Will Polycell Polyfilla Deep Gap Filler crack if nailed or drilled into?

A. No Polycell advertises this product to accept nails and screws. Please ensure the mixture has fully cured, sanded smooth and levelled before drilling into the repaired surface.

Q. Will Polycell Polyfilla Deep Gap Filler dry to a smooth finish?

A. Once the product has fully cured it will require sanding to achieve a flat, smooth surface.

Q. Do I need to make the mix for this?

A. No, you do not need to mix this product it can be used straight from the tub. You just need to ensure once finished to properly seal the tub closed otherwise this will dry out the filler.

Delivery - All orders placed on a working day before 3pm will be dispatched on the same day for next working day delivery. Orders placed before 3pm on Friday will be delivered on Monday (excluding bank holidays). Orders placed after 3pm on Friday, weekends and Bank Holidays will be dispatched on the next working day. 

Delivery of Tinted Products - Tinted paints are dispatched in line with our express order process, shown below. However, due to their bespoke nature, please allow up to an additional 5 working days to accommodate any potential courier delays or delivery issues before receiving a refund or replacement.

We strongly suggest customers avoid booking tradespeople until they receive their order. Next Day Paint will not be held liable for any costs incurred due to order processing errors, delivery delays, or other issues that may result in financial loss.

Delivery Options

Express Shipping - £3.99

Order by: 3pm, Monday - Sunday

Expected delivery: Next working day, 8am - 9pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following day

AM Delivery - £12.99

Order by: 2pm, Monday - Sunday

Expected delivery: Next working day by 2pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following AM

Late Cut-Off - £5.99

Order by: 4pm, Monday - Friday 

Expected delivery: Next working day, 8am - 9pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following day

Saturday Delivery - £9.95

Order by: 2pm, Friday 

Expected delivery: Saturday, 8am - 9pm

Standard Delivery (Out of Zone Postcodes Only) - £8.99

Order by: 3pm, Monday - Sunday 

Expected delivery:  3-5  working days, 8am - 9pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following day

We do not deliver to the Channel Islands or the Republic of Ireland

Certain postcodes delivery times and charges may vary please head to the cart to see your available delivery options.

Returns

We offer a 14 day money back guarantee for all goods shipped correctly that are not required. If the item is not required, please send the item back for a full refund in its original condition, unused with its original packaging. Please note return for unwanted item is at your own expense.

Contact us as soon as possible to inform us you will be returning the product either by a contact form or by calling our team on 0161 960 0217.

All tinted paint purchases are final and non-refundable. If you're unsure about your selection, please refer to the product listing or contact us for guidance before ordering. Once mixed, tinted paints cannot be returned or refunded, regardless of delivery delays or changes in circumstances.

While we aim to meet delivery timelines, we are not responsible for delays caused by couriers, weather, or other external factors.

We recommend ordering samples or colour charts before purchasing. While we strive to represent colours accurately, screen settings and surface types can affect appearance. Opened tins cannot be returned due to dissatisfaction with colour.

For non-tinted products, we offer a 14-day money-back guarantee. Items must be returned unused, in original condition and packaging, at your own expense.

Damaged Paint

Please visit our damages page, where we can help resolve the issue for you. 

Incorrect Item

If we have sent you a different item from what you ordered, we will be happy to organise an exchange for the correct goods at no extra charge to yourself, please get in touch to organise this.

Faulty Items

Faulty items can be refunded or exchanged within 30 days. All returns are tested, and if no fault is found, no refund will be issued you'll have the option to have the item returned. For faults discovered after 30 days, please contact the manufacturer for further support.