Paintable Acrylic Fillers for Clean Trade Finishing

Soudal gap fillers give painters, builders, carpenters & maintenance crews practical options for filling compatible cracks, joints & finishing gaps before painting or final fit-off. This range includes paintable acrylic gap fillers for general interior & exterior work, faster painting workflows, flexible joints & timber or parquet applications.

Use them around skirting, architraves, plasterboard, wall junctions, window frames & other compatible building surfaces where a neat finish matters.

For related sealing products, explore Adhesives & Tapes.

What Are Soudal Gap Fillers?

Soudal gap fillers are used to fill & seal compatible cracks, seams & connection joints across common building materials.

The acrylic fillers in this collection are particularly useful where the joint needs to form part of a painted finish. Depending on the product, they can be used with materials such as plasterboard, timber, MDF, fibre cement, concrete, masonry, render, tiles & aluminium.

Unlike expanding foam used to fill larger cavities, acrylic gap filler is applied as a controlled bead. It can be tooled smooth while workable to create a clean transition between adjoining surfaces.

This makes paintable acrylic filler particularly useful during fit-out, decorating, carpentry & maintenance work.

For the surrounding preparation & finishing stages, browse Paints, Finishes & Decorating Tools.

Why Choose Soudal Gap Fillers?

The Soudal range lets you choose a filler around the actual joint & finishing requirements rather than treating every cartridge as interchangeable.

► Paintable finishes – suitable options for joints that need to blend into surrounding painted surfaces
► Fast turnaround options – selected fillers allow painting sooner when the next trade or coating stage can't wait
► Flexible choices – products are available for joints where limited movement needs to be accommodated
► Interior & exterior options – choose according to exposure rather than assuming every acrylic filler has the same weather resistance
► Broad substrate compatibility – selected products adhere to common materials including plasterboard, timber, masonry & concrete
► Trade-focused range – useful across painting, building, carpentry, flooring & maintenance work

Preparation & application also affect the final result. Browse Hand Tools for complementary equipment used across fit-out & finishing work.

Common Applications

Soudal acrylic gap fillers can suit a wide range of compatible building & finishing applications.

► Gaps along skirting boards
► Architraves, trims & cornices
► Cracks in plastered walls & ceilings
► Plasterboard finishing joints
► Window frames & window sills
► Wall-to-trim junctions
► Staircases & coving
► Wall & floorboard junctions
► Painting & decorating preparation
► Property maintenance & repair work
► Suitable timber & parquet joints
► Selected exterior joints where the chosen product is specified for outdoor use

For plasterboard preparation & surrounding wall-finishing work, browse Drywall & Plastering Supplies.

For flooring work where sealing is only one part of the installation, Flooring Tools & Adhesives covers complementary flooring products & equipment.

Product Selection Guide

The best Soudal gap filler depends on the substrate, expected joint movement, exposure & how quickly the surface needs to be painted.

Soudal Multi Purpose Gap Filler

A practical choice for general acrylic gap filling where a paintable filler is suitable.

Consider it for routine finishing, maintenance & preparation work across compatible building surfaces where a more specialised filler isn't required.

Soudal Fill & Paint Gap Filler

A professional-quality acrylic filler for general-purpose interior & exterior gap filling.

Fill & Paint can be painted within approximately 20 minutes under suitable conditions & accommodates joint movement up to 10%.

It is suited to applications including skirting boards, cornices, window frames, staircases, architraves, trims, plasterwork & compatible cracks.

Soudal Wet On Wet Express Gap Filler

Choose Wet On Wet Express when painting speed is a priority.

It can be painted immediately with gloss, semi-gloss & low-sheen paints while flat & ceiling paints can be applied after approximately 10 minutes under suitable conditions.

That makes it particularly useful where filling needs to flow quickly into the painting stage without unnecessary waiting.

Soudal All Weather Flex Gap Filler

All Weather Flex is the stronger choice in the range for demanding exterior & higher-movement applications.

It is an exterior-grade paintable acrylic gap filler with superior weather resistance, high crack resistance & flexibility of approximately ±12.5%.

It can be painted after approximately 30 minutes under suitable conditions & is particularly useful around applications such as weatherboards, window frames, trims & other compatible exterior joints.

For broader exterior sealing & protection requirements, explore Weatherproofing Supplies.

Soudal Contractors 101 Gap Filler

Contractors 101 is a flexible, paintable acrylic filler designed for regular trade applications.

It suits compatible gaps, joints & cracks with movement up to approximately 10% & can be painted after around 60 minutes under suitable conditions.

Applications include window frames, window sills, skirting boards, cornices, walls & floorboards across suitable interior & exterior work.

Soudal Acryl White Gap Filler

A white acrylic filler for compatible paintable gaps, cracks & finishing joints.

It provides another practical option for everyday maintenance & finishing work where its specified substrate, movement & exposure requirements suit the application.

Soudal Timber & Parquet Seal

Choose Timber & Parquet Seal for suitable joints associated with timber & parquet flooring rather than automatically reaching for a standard wall filler.

Flooring joints can behave differently from static gaps around plaster or decorative trim so the surrounding materials & expected movement should be considered before application.

Expert Tips

Prepare the Surface Before Filling

Remove loose material, dust, grease & failed filler before applying fresh product.

The substrate should meet the preparation requirements of the selected filler. Where adhesion is critical, test compatibility before completing the full application.

Match the Filler to the Movement

Movement is one of the main reasons a filled joint can fail.

A static decorative gap & a joint that repeatedly opens or closes shouldn't automatically receive the same product. Check the movement capability of the filler against the joint conditions before application.

Don't Treat Every Exterior Joint the Same

Exterior exposure changes the demands placed on a filler.

For higher-movement or weather-exposed applications, choose a product designed for those conditions rather than assuming any paintable acrylic will perform the same way.

Where the job involves broader weather protection, use Weatherproofing Supplies to find products suited to the surrounding work.

Control the Bead

Cut the cartridge nozzle to suit the joint.

A smaller controlled opening helps place filler where it's needed & reduces unnecessary excess. Tool the bead while the material remains workable for a smoother finish.

Know When Gap Filler Isn't Enough

Acrylic filler is primarily a joint & finishing product. It shouldn't be used to disguise a larger substrate failure.

For damaged concrete or masonry requiring repair, start with Concrete Repair & Restoration.

Roof penetrations, flashing details & demanding exposed roofing joints should instead be assessed against Roof Sealants & Adhesives.

Check the Paint Before Starting

Painting times vary between fillers & site conditions can affect drying.

Paint flexibility matters too. A joint can move underneath a coating so the paint needs to be compatible with the filler & application.

When in doubt, test the combination before completing the entire job.

Follow the Product Safety Information

Check the current product label, technical information & safety documentation before use.

How to Read a Safety Data Sheet - A Quick Guide for Workshop Operators explains how to interpret important product safety information before chemicals are used around the workshop or jobsite.

Suitable Hand & Arm Protection can also be selected according to the product & task being completed.

For larger workloads, Spring Jobsite Prep Getting Your Gear Ready covers practical preparation before tools & consumables are needed on site.