Resin alternative available from Instarmac
Environmental concern leads the the introduction of Envirobed HA104, a cement based bedding material from Instarmac.
Environmental protection is a prevalent issue across all industries, and the highway maintenance industry is no exception.
Municipalities refer extensively to suppliers’ environmental accreditations before deciding who to do business with.
This environmental concern has led to a search for innovative, yet established products that will meet or exceed their less eco-friendly counterparts.
As with all construction sectors, limiting the damage that street works can cause to the environment is high priority.
Failure of ironwork has been a continuing problem, one which can be addressed with quality hard-wearing products that are easy-to-use.
15 years ago, Instarmac decided to carry out significant research into a cement-based alternative to popular resin-based materials used for the bedding of manhole covers and street ironwork.
This lead to the introduction of Envirobed HA104 over 7 years ago.
Until that time, the only products suitable for this application were resin-based – this has now changed with the availability of Instarmac’s cement-based alternative.
It is currently the only cement based bedding material available that develops the required compressive and tensile strengths within the specified 3 hour limit.
Envirobed HA104 has a tensile strength that is twice as high as that expected from other fast setting cementitious mortars.
The polymer-modified cement based mortar is much less hazardous than traditional polyester resin based materials, meaning there are no problems in regards to the disposal of used packaging.
Envirobed HA104 is supplied as a two-component bag and bottle system, consisting of a blend of special cements and polymer emulsion.
When mixed, the resulting mortar can be applied at depths between 10-50mm in one pass.
Greater depths can be achieved by using a layer-upon-layer method.
The product exceeds standard specifications while offering a comparative environmentally-friendly alternative that offers a service life of 5 years.
The product has been tested across the UK for over 7 years in the ground and has reported no failures.
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