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ISO 14001 Environmental Management Systems
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ISO 9001 Quality Management
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Renewable Obligation Certificate (ROC)
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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 |