Verified by manufacturer 4 months ago
ISO 14001 Environmental Management Systems
Certificate type
ISO 9001 Quality Management
Certificate type
High strength gun applied jointing and pointing mortar.
Suitable for jointing natural stone paving and pointing sound brickwork, brick slips and natural stone walling.
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:
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 |
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. |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Cement |