BBA/ HAPAS Accredited MBM60 Manhole Bedding Mortar
Verified by manufacturer 7 days ago
Renewable Obligation Certificate (ROC)
Certificate type
BBA HAPAS Certification
Certificate type
Larsen Highways MBM 60 is a BBA/ HAPAS approved single component, rapid setting cementitious mortar for the bedding of street and highway ironwork conforming to BS EN 124 standards.
Application
Highways MBM 60 can be applied in a bed of 10–75 mm in a single pass and should be placed typically within 5 minutes of mixing to allow time for adjustment. Typically place a bed of 5–10 mm thicker than required to allow for adjustments. The frame should be placed onto the mortar bed without voids. Tamp the frame in place to achieve the required level. Any exposed mortar should be smoothly finished by float. Backfilling and resurfacing can typically commence after 30–45 minutes. Freshly laid areas should be protected from vehicle traffic for a minimum of 60min dependent on temperature and site conditions.
Description
Larsen Highways MBM 60 is a BBA/ HAPAS approved single component, rapid setting cementitious mortar for the bedding of street and highway ironwork conforming to BS EN 124 standards.
It is manufactured from a controlled blend of specially selected aggregates, cements, and additives and only requires the addition of water to produce a high quality bedding layer which can be trafficked after one hour. MBM 60 is ideal for the rapid installation of Highway and residential manhole cover frames and similar ironwork drainage components and for the rapid installation of paving sets and flags and kerbs.
Meets the requirements for compressive strength in accordance with the MCHW, volume 1, series 500, clause 507 chambers, 44.
Features and benefits:
- BBA/ HAPAS accredited as a stand alone product.
- 20 MPa at 1 hour.
- Over 60 MPa after 28 days.
- 10–75 mm bed depth in one pass.
- Low shrinkage.
- Frost resistant.
- Open to traffic after 1 hour.
- 25 kg bag will cover 1 m² at 12.5 mm.
General information
Color | Grey |
Finish | Smooth |
Material | Cementitious |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | M40/32 Mortar bedding M40/570 Mortar bedding |
SKU Code | MBM60 |
Specification data - Fine bedding concretes
Classification data | |
Standard/ performance requirements | BBA/ HAPAS approved. |
Consistency | Pre-blended dry powder. |
WaterContent | 3.0–3.5 L per 25 kg bag. |
Materials | Cementitious. |
Typical compressive strength | >60 MPa. Guidance for specification option: After 28 days at 20°C. |
Working time | 15–20 minutes. |
Characteristics | Granular, 3 mm aggregate cement mix, grey. |
Adhesive strength designation | >5 MPa. Guidance for specification option: After 28 days. 2 MPa after 1 hour. |
Bed height | 10–75 mm. |
Yield - Concrete | 1 m² at 12 .5 mm per 25 kg. |
Cure time | 20–25 minutes. |
Dry density | 2200 kg/m³. |
Shrinkage | <0.1%. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Cementitious |
Recyclability | Recyclable |
Product certifications
Product certifications
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