Sprayco 75 is a modified bitumen emulsion which is used in conjunction with suitable washed, durable natural aggregate chippings to provide a hand-applied surface coating to small areas of existing asphalt and concrete surfaces such as footways, cycle paths, driveways and as a decorative finish to landscaped areas. Sprayco 75 has an enhanced viscosity to reduce run-off, and the cohesive strength of a polymer emulsion to provide durability.
Dispensing taps also available for 200L Drums: 3/4" Brass Tap
Where to use
Existing asphalt and concrete surfaces such as footways, cycle paths, driveways and as a decorative finish to landscaped areas.
Typical Application Rates (kg/m²) of Sprayco 75 for a normal hardness, non-porous surface are:-
• Single Application, using 2.8/6.3mm chippings: 1.5 – 1.6kg/m²
• Double Application, using 2.8/6.3mm chippings: First Coat 1.2kg/m², Second Coat 1.3kg/m².
Target rates of spread for 2.8/6.3mm aggregate are:-
• Single dressing: 8-10kg/m²
• Double Dressing: First Coat 7-8kg/m², Second Coat: 9-10kg/m².
It is sometimes difficult to achieve these rates of spread with damp washed chippings so it is therefore advisable to allow an extra 10-20% when estimating chipping quantities. For binder rich surfaces, rates of spread of Sprayco 75 should be reduced, while for binder-lean and heavily shaded surfaces, rates of spread should be increased.
For un-trafficked decorative areas, and areas that are only occasionally used, extra Sprayco 75 and chippings may be of long term benefit in increasing durability. More detailed guidance on rates of spread of binder, and chipping sizes for various conditions is available in TRL Road Note 39 (Seventh edition).
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Don't forget your accessories...
Make sure you have everything you need with our essentials accessory pack which includes all you need to apply 2 coats of Ecoguard HB (2 coats are usually recommended)