Rompox Ultra Jointing Compound 12.5kg

New product

Rompox Ultra 12.5kg from Romex is a 1 component jointing compound that is primarily used for paving with tight joints such as porcelain paving (3mm to 5mm). This highly water permeable jointing mortar is very good for DIY use as it is so easy to use.


  • Neutral
  • Stone Grey
  • Basalt Black

Can be applied in wet and dry conditions. Make sure paving is wet before applying jointing compound. Minimum jointing gap 3mm.

NOTICE - The container will state Romex Easy - Ecofine. This is Rompox ULTRA

SAMPLE NOTICE - Please be aware that the samples are hardened swatches containing 3 colours, making them unusable for jointing. To be used as colour references only.

More details

£ 46.00 Including Vat Delivery/Collection terms & conditions apply. For delivery products, check you qualify on our postcode checker.

Get a Sample

SKU Basalt - 00517, Buff - 00518, Grey - 00519
Delivery Free delivery available to most mainland UK. Delivery fee will be charged outside free delivery areas. See our delivery section for more information.
Weight (kg) 12.5kg
Material Epoxy Resin Jointing Mortar
Rompox ULTRA Application Industry standard jointing compound to be applied with a 3mm to 5mm gap. Estimated coverage of 12m2 to 15m2 for 12.5kg

ROMPOX® - ULTRA is a ready to use 1 component paving joint mortar. After application it hardens when it reacts with the oxygen in air and is thus vacuum packed. This highly water permeable jointing mortar is very good for DIY use as it is so easy to use. ROMPOX® - ULTRA can be used on patios, footpaths and light traffic loads up to 3.5 tons all around the house. The paving joint mortar can be used with almost all types of natural stones, natural and concrete stone slabs as well as clinker surfaces. Polygonal slabs / crazy paving or broken stone slabs are the exception. In this case we recommend using our 2 component paving joint mortars such as ROMPOX® - D1.

Our paving joint mortar ROMPOX® - ULTRA is - 

  • for light traffic loads up to 3.5 tons
  • for joint widths upto 5 mm
  • for joint depths upto 30 mm
  • fulfills the criteria of the usage category 1 acc. to ZTV road construction

Important Information

Free Delivery to most of mainland England . Apart from Wales/Scotland and some parts of London & extreme south east and west postcodes. Please call us 01909 768760 or email for a quick inquiry whether you qualify for free delivery we normally respond in 20 minutes.

If you are unsure about the colour, touch & feel, texture etc – please order for a sample before ordering about the product.

Deliveries: All our deliveries are done via a pump truck. Using a tail-lift, they off load it on to a flat, hard surfaced kerb side only.