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Using Nexus Professional Surface Systems


Marthall Tree Products are stockists of Nexus professional surface systems. We stock a wide range of products and we can bring the rest in to order. Below you will find application instructions and technical data sheets. For more information you can read the Nexus product brochure under the galleries tab or alternately you can visit the Nexus website www.nexusprosysterms.co.uk.

ProJoint™ V75-WT™  
A two-part epoxy resin mortar system suitable for areas of vehicular access up to 7.5 tonnes


A specialist solution to filling joints between paving slabs and setts, suitable for natural stone and concrete paving on pedestrian or vehicular areas with medium to heavy vehicle loads up to 7.5 tonnes (for example domestic or commercial areas). The two-part epoxy resin system is easily mixed and quickly applied as a slurry to dampened paving.  It has increased water tolerance to give the great advantage of enabling use in damp weather and light rain.  

Available in three colours:  neutral (buff), mid grey and black.

Two-part resin based mortar system, cement free

  • Medium to heavy traffic loads up to 7.5 tonnes, ideal for driveways and high traffic areas

  • Fast application

  • Easy:  no more bending or kneeling and much less effort

  • Applied to wet surfaces and increased water tolerance for use in light rain

  • Professional results:  no mess, and no returning for clenaing

  • Self compacting and suitable for joint widths from 5mm upwards

  • Weed, pressure washer and frost resistant

  • Following application, it is expected that this product may highlight and enhance the natural surface colours and textures of the paving.  This is only a temporary effect as weathering and foot traffic accelerate its disappearance. It cannot be cleaned off with jet washing or chemicals. This product may not be suitable for more porous products or sensitive stone.  Click here for more details and recommendations.

  • Please Note V35 is more suitable for sensitive and expensive stone.

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Unsure how much you need ? try the calculator.


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ProJoint™ V35-UV™  
A single part PU resin mortar system with 100% UV stability designed for sensitive and expensive stone


A very advanced system, ProJoint™ V35-UV™ is a simple to use solution to filling joints between paving slabs and setts. Specifically designed for pedestrian and vehicular areas up to 3.5 tonnes traffic loading where sensitive and expensive stone is used, meaning ProJoint™ V35-UV™ is the perfect partner for the most prestigious of projects.

The single component PU resin is mixed with the sand in the kit and applied to paving using either a brush or squeegee.  It offers a long processing time which makes it especially suited for paving with narrow joints and for use in hot weather.  Shower resistant, it forms a UV stable, strong, weed free, frost and pressure washer resistant joint.

ProJoint™ V35-UV™ is available in three colours: neutral (buff), mid grey and black.

  • Single part PU resin based mortar system, cement free

  • Light to medium traffic loads up to 3.5 tonnes

  • Fast application

  • Easy: no more bending or kneeling and much less effort

  • Long working time ideal for narrow joints and hot weather

  • Professional results:  no mess, and no returning for cleaning

  • Suitable for joint widths from 5mm upwards

  • Weed, pressure washer and frost resistant


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ProJoint™ Fusion™  
The all weather paving joint compound

A quick and easy solution to filling joints between paving slabs and setts, suitable for natural stone and concrete paving. Simple to use, ProJoint™ Fusion™ allows an untrained hand to consistently deliver perfect joints every time - whatever the weather! 

ProJoint™ Fusion™ delivers a weed free, frost resistant joint, without staining the paving - saving you time and money.

Packaged in a vacuum packed pouch within the contractor-sized 15kg tub with lid colours that denote the product colour - ProJoint™ Fusion™ is available in four colours: neutral (buff), mid grey, basalt and black.

ProJoint™ Fusion™

  • Contractor-sized 15kg tubs

  • Suitable for use in wet weather

  • Professional strength

  • Pre-mixed, ready to use

  • Cement free and non hazardous

  • Suitable for pedestrian traffic: ideal for paths and patios

  • Perfect for DIY use

  • Suitable for natural stone and concrete paving, setts and slabs

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ProJoint™ MAX™  
A high strength epoxy paving grout for vehicular areas up to 3.5 tonnes

Similar to ProJoint™ Fusion™, ProJoint™ MAX™ offers a quick and easy solution to filling joints between paving slabs and setts but in areas of vehicular access. Suitable for natural stone and concrete paving, ProJoint™ MAX™ is a high strength two-part epoxy paving grout and is very simple to use.  

Resin and sand is supplied ready-mixed within the tub and only requires the addition of the enclosed hardener to activate the chemical cure.

ProJoint™ MAX™ deliveres a weed free, frost resistant joint which resists pressure washing and is available in three colours: neutral (buff), mid grey and black.

neutral (buff), mid grey and black.

ProJoint™ MAX™

  • Part-mixed components for fast application, all supplied within its own mixing tub

  • Suitable for natural stone and concrete paving, slabs or setts

  • Ideal for pedestrian and vehicular areas (up to 3.5 tonnes)

  • Professional results: no mess and no returning for cleaning

  • Self compacting and suitable for joint widths from 5mm upwards

  • Weed, pressure washer and frost resistant

Following application, it is expected that this product may highlight and enhance the natural surface colours and textures of the paving. This is only a temporary effect as weathering and foot traffic accelerate its disappearance. Typically the sheen that remains is even and thin and dissipates over a short period of time. Click here for more details and recommendations.
ProJoint MAX is not recommended for use with porcelain paving - please refer to the ProJoint Porcelain Primer and Grout product pages for more information.


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ProJoint™ Porcelain™ Primer  
A high performance priming slurry for porcelain paving


The ProJoint™ Porcelain™ Primer is an ultra-high polymer and fibre modified flexible waterproofing primer with excellent workability and adhesion properties. Applied in one coat for fast application to promote adhesion and control suction on difficult substrates such as porcelain, concrete, ceramic tiles, paving slabs or setts.

The powdered primer is suppplied in two 10kg bags to allow the bucket to act as the ideal mixing vessel with the simple addition of water.

We recommend that this primer be used prior to using the ProJoint™ Porcelain™ Grout.

ProJoint™ Porcelain™ Primer

  • One coat application to the underside of paving

  • Excellent workability and adhesion properties

  • Suitable for brush or roller application

  • Can be applied in low temperatures

  • Suitable for internal and external use

  • 2 x 10kg bags contained within the mixing tub


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ProJoint™ Porcelain™ Grout  
Flexible and high performance porcelain paving grout


Specially formulated for porcelain paving, ProJoint™ Porcelain™ Grout has been developed for joint widths of 2-20mm. Ideal for both internal and external use, the anti-mould technology with added silicone ensures that water is repelled from the surface of the grout whilst still allowing vapour to pass through.

The ProJoint™ Porcelain™ Grout is supplied in a bag to allow the branded bucket/tub to be used as the ideal mixing vessel.  

Available in three colours: neutral/buff, mid grey and black.

ProJoint™ Porcelain™ Grout

  • Professional strength

  • Developed for joint widths of 2 to 20mm

  • Suitable for external and internal use

  • Water and mould repellent

  • Ready to use, two 10kg bags supplied in its own mixing tub


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PRO-410™ Paving Sealer  
A professional solvent based penetrating paving sealer and colour enhancer


A high quality solvent based surface sealer based on acrylic resins, PRO-410TM is suitable for internal and external use.  It is an impregnating and non-degrading sealer with a matt finish which enhances the colour of natural stone and concrete paving.

Ideal for sealing and binding of natural stone, concrete, screeds, block paving, brickwork and masonry particularly in aggressive environments, PRO-410TM seals and protects the surface from water penetration, staining and the effects of natural weathering whilst remaining breathable. PRO-410TM will also provide an effective anti-carbonation coating to concrete and can be used to bind or stabilise block paving joint sand.

PRO-410TM Paving Sealer

  • Professional grade water repellent for porous natural stone and concrete

  • Breathable

  • Enhances, seals and protects from water penetration and staining

  • Resists dirt, grime and algae

  • Gives long lasting protection

  • UV stable

  • High surface penetration

  • Matt finish and single coat application

  • High coverage rate

  • Anti-slip

  • Suitable for indoor and outdoor use

  • Available in 1, 5 and 25 litre containers


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PRO-810™ Paving Sealer  
A professional solvent based invisible impregnating sealer


PRO-810TM is a high performance, solvent based surface sealer with an invisible finish which can be applied to all types of natural stone immediately after installation.

It deeply impregnates the stone and protects surfaces from water penetration, staining and the effects of natural weathering whilst remaining breathable. PRO-810TM does not change the colour or texture of the surface and can be used on virtually all porous surfaces, particularly high-quality natural stone.

PRO-810TM Paving Sealer

  • Professional grade water repellent for porous natural stone and concrete

  • Breathable

  • Invisible finish

  • Seals and protects

  • Resists dirt, grime and algae

  • Long lasting protection and UV stable

  • Deeply impregnating

  • High coverage rate

  • Suitable for indoor and outdoor use

  • Available in 1, 5 and 25 litre containers

Visit www.nexusprosystems.co.uk for more information and advice.