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GPM - Gun Pointable Mortar

Verified by manufacturer 5 months ago

Larsen Building Products Third party certifications:
  • ISO 14001 Environmental Management Systems

    Certificate type

  • ISO 9001 Quality Management

    Certificate type

  • Renewable Obligation Certificate (ROC)

    Certificate type

High strength gun applied jointing and pointing mortar.

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+44 (0)28 9077 4000 Website

Application

Suitable for jointing natural stone paving and pointing sound brickwork, brick slips and natural stone walling.

Description

Larsen GPM Pointing Mortar is a high strength gun applied jointing and pointing mortar. It is designed for gun injection to provide a clean, water resistant, durable and colour consistent pointing and jointing solution. GPM is manufactured from specially selected fine aggregates, cements and additives and only requires the addition of water to produce a high quality mortar for rigid construction methods. The finished joints are highly resistant to water penetration, weather and freeze-thaw action.


Features and benefits:

  • >40 N/mm² in 28 days.
  • Minimum 5 mm joint width.
  • Up to 150 mm joint depth.
  • Easy to use.
  • Low shrinkage.
  • Frost resistant.

General information

Color

Grey

Beige

Black

White

Other

Finish

Textured

Material

Cement

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_20_31_53_42 Injection mortarsPrimary

CAWS

C41/850 Pointing with injection mortar

C41/850 Pointing with injection mortar

C41/830 Injection mortar pointing

C41/830 Injection mortar pointing

C41/820 Pointing

C41/820 Pointing

Specification data - Injection mortars

Mix type

Fine aggregates, cements and additives.

Colour

Natural grey.

Buff.

Charcoal.

Black.

White.

Other.

Guidance for specification option:

Other colours available on request. Contact manufacturer and insert requirements.

Aggregate

1.2 mm.

Manufacturer guidance

Maximum size.

WaterContent

4.5–5.0 L per 25 kg.

Application temperature

+3℃ to +30℃.

Working time

40 minutes.

Manufacturer guidance

Approximate time.

Joint size

5 mm width (minimum)/ 150 mm depth (maximum).

Setting time

4 hours.

Dry density

2000 kg/m³.

Typical compressive strength

>40 MPa.

Flexural strength

≥4.7 MPa.

Manufacturer guidance

28 days.

Bond strength

>1.5 MPa.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Material

Cement

Third party certifications

Third party certifications

ISO 14001 Environmental Management Systems

ISO 14001 Environmental Management Systems

ISO 14001

ISO 9001 Quality Management

ISO 9001 Quality Management

ISO 9001

Renewable Obligation Certificate (ROC)

Renewable Obligation Certificate (ROC)

Green Energy Certificate

Literature

TDS - GPM - Gun Pointable Mortar

TDS - GPM - Gun Pointable Mortar

Larsen Streetscape Brochure 2024

Larsen Streetscape Brochure 2024

Case studies

Larsen x Ashton Under Lyne

Larsen x Ashton Under Lyne

Larsen x Midland Metropolitan University Hospital

Larsen x Midland Metropolitan University Hospital

Larsen x Hollywood Road London

Larsen x Hollywood Road London

Larsen x Hub Victoria London

Larsen x Hub Victoria London