GPM - Gun Pointable Mortar
Verified by manufacturer 1 month ago
ISO 9001 Quality Management
Certificate type
Renewable Obligation Certificate (ROC)
Certificate type
High strength gun applied jointing and pointing mortar.
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 | |
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 guidanceMaximum size. |
WaterContent | 4.5–5.0 L per 25 kg. |
Application temperature | +3℃ to +30℃. |
Working time | 40 minutes. Manufacturer guidanceApproximate 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 guidance28 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
Literature
TDS - GPM - Gun Pointable Mortar
Larsen Streetscape Brochure 2024
Case studies
Larsen x Ashton Under Lyne
Larsen x Midland Metropolitan University Hospital
Larsen x Hollywood Road London
Larsen x Hub Victoria London