NBS Source
Premjoint: Jointing Compound

Application

  • Suitable for use with granite, porcelain and other premium quality natural stone.
  • It can be used all year round, in any weather and is suited for use on domestic paving applications or light non trafficable commercial areas.
  • For heavy commercial applications we recommend the use of UltraScape flowpoint flowable grout, in accordance with the BS 7533 specification.
  • It is used to fill joint widths between 5–20 mm.

Description

Premjoint is UltraScape’s next generation, high specification, decorative, brush-in pave jointing solution, suitable for use with granite, porcelain and other premium quality natural stone.


Features and benefits:

  • Excellent colour stability for consistent finish.
  • Enhanced workability.
  • Permeable.
  • Walk on: 24–48 hours.
  • Use in all weathers.
  • Resistant to freeze/ thaw weather conditions.
  • No waste, left over material can be re-used.
  • Fast and easy application.
  • Available in three bespoke colours: Cosmic Black, Storm Grey and Natural Cashmere.

General information

Shape

Formless

Color

Black

Grey

Other

Material

Cement

UltraScape’s next generation, high specification, decorative, brush-in pave jointing solution.

Uniclass

Pr_20_31_53_60 Paving jointing mortarsPrimary

CAWS

Q25/31 Concrete flag paving system

Q24/112 Conventional concrete block paving with bound base

Q24/122 Conventional clay paver paving with bound base

Q24/132 Natural stone sett paving with bound base

Q25/125 Concrete flag paving overlay system

Q25/110 Natural stone slab paving system

Q25/140 Natural stone sett paving system

Q25/145 Natural stone sett overlay paving system

Q25/115 Natural stone slab paving overlay system

Q25/130 Rigid brick paving system

Q25/120 Concrete flag paving system

Q25/155 Concrete sett paving overlay system

Q25/160 Natural stone cobble paving system

Q25/150 Concrete sett paving system

Q25/135 Rigid brick paving overlay system

Q25/165 Natural stone cobble overlay paving system

Q25/440 Ready-mixed mortar

Q25/26 Natural stone slab paving system

Specification data - Paving jointing mortars Enhanced data

Standard

In accordance with BS 7533.

Delivery condition

Bucket.

15 kg bucket.

Compressive strength (minimum)

0.8 N/mm².

One day.

Coverage

8–9.5 m².

Joint width x joint depth: 8-9.5 sqm based on a paving size of 450 x 450 x 25 mm (depth) for an 8 mm joint gap.

Colour:

Cosmic black.

Strom grey.

Natural cashmere.

Density

1.80 g/cm³.

Joint width

5–20 mm.

Tape width/ joint depth

Minimum joint depth.

20 mm.

Minimum depth, a deeper depth will increase the strength of the jointing compound.

Working time

35–45 minutes.

At 20 °C.

Setting time

Walk on time.

24–48 hours.

Dry, ambient conditions with free draining base.

Compressive strength – 7 days

5.8 N/mm².

Compressive strength – 28 days

6.7 N/mm².

Full strength.

Flexural strength

5.91 N/mm².

At 28 days.

1 day: 0.56 N/mm².

7 days: 4.33 N/mm².

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