Stone Saver 
Steintec Tuffset G-Mortar - 25KG
90047
>£< 77.00
Qty
pcs.
Area
m2
Estimated Delivery: 48 hours
020 3095 2761 - Natural Stone
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>£< 0.00>£< 77.00To alleviate the issues of maintenance associated with unbound permeable construction a permeable “drainage mortar” can be employed.
This allows the joints to be cleaned out without detriment to the structure and if properly constructed should structurally be zero maintenance throughout its service life.
Steintec produces a system of mortar for this type of construction using tuffbed 2-pack permeable bedding mortar, tuffbond priming mortar and tuffset G permeable jointing mortar.
A quick look video at how to lay and a demonstration of tuffset G Permeable.
Advantages:
Maintenance, durability, trafficking/loading, versatility.
Can be jet washed and swept/brushed to keep clean and silt free to maintain aesthetics and permeability.
Suitable for public spaces with heavy pedestrian traffic, vehicular overrun, domestic patios and driveways (see below).
No need to regularly top up joints as is required with unbound permeable jointing.
Low maintenance rigid/bound construction avoids the rapid degradation of joints and movement of pavers associated with unbound permeable paving.
Strong rigid jointing mortar for permanent installation, not a stabilised sand or aggregate.
Quantity:
The required quantity of tuffset G permeable jointing mortar can be calculated using our jointing mortar calculator. (One tufftop bag in the calculator equals one tuffset G bag and four tuffgrit bags)
Tuffset G permeable jointing mortar is made up of 1 part tuffset G special purpose mortar and 4 parts tuffgrit aggregate blend.
125kg Tuffset G permeable jointing mortar would, therefore, consist of 1 Qty. 25kg sack tuffset G special purpose mortar and 4 Qty. 25kg sacks tuffgrit aggregate blend.
Joint width and paver dimensions:
Due to the size of particles required to create a free-draining jointing mortar the joints need to be at least 10mm wide to enable application and effective flow.
Joint widths of between 10mm and 20mm are generally recommended.
The larger the paver the wider the joints need to be to drain the same amount of rainwater so for large paving slabs joints wider than 20mm can be installed however the permeable jointing mortar becomes more exposed and so the maintenance requirement can increase.
Colour:
We recommend dark grey as the aggregate content is also dark and can become exposed over time with heavy footfall or vehicular traffic but in the case of domestic patios and driveways this is not such a concern and the mid grey and natural grey colours are an option. Unlike our tufftop non-permeable jointing mortar the beige colour is not available.
Permeability:
We recommend designing permeable paving according to the SuDS manual recommendations relating to issues such as rainfall, catchment, flow rates, attenuation, etc.
Trafficking/Loading:
We recommend following the guidelines of BS 7533 parts 4, 7, 10 & 12 in order to construct a structurally sound pavement according to the ground conditions and intended use.
Tuffset G permeable jointing mortar should be assigned a 25N/mm2 mortar strength designation when referencing the above standard.Free Delivery
We offer free delivery on all orders over £600 nationwide. For full list of zones and prices, please go to Shipping prices and zones. Your order will normally be despatched within 24 hours on an economy service. It is possible to provide a next day, AM or timed delivery at a surcharge, but please speak to a member of our despatch team after placing your order.
Worldwide Shipping
Presently the only other country that we accept online orders from is the Republic of Ireland. We do offer worldwide shipping, so if you are intrested in this service, please contact our sales team for a quote.