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Non-UV resin is a polyurethane resin that does not contain ultraviolet stabilisers. While structurally capable, it can yellow or darken when exposed to sunlight.
This colour change becomes more noticeable on lighter aggregates.
Where non-UV resin is used
Non-UV resin may be used in shaded areas or with darker aggregate blends where discolouration is less visible.
It is generally selected when cost reduction is prioritised over long-term aesthetic clarity.
How it affects surface appearance
Over time, sunlight exposure can cause amber tinting. This does not necessarily weaken the driveway but alters its visual tone.
For highly visible residential driveways, UV-stable resin is usually preferred.
How ResinDriveway.ie manages material standards
ResinDriveway.ie specifies resin types based on exposure, aggregate choice, and performance expectations. For most driveway installations, UV-stable resin is recommended to protect long-term finish quality.
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