Brochures
Tensar's guide to rehabilitating runways, taxiways and aprons, built around the argument that a thicker overlay buys about a year of crack delay per inch and an interlayer buys more for less closure time.
The number that makes this document worth reading: an inch of overlay buys roughly a year before the reflective cracks come through it again. That is the accepted rule of thumb, and once it is stated plainly the economics of the thicker-overlay habit stop looking obvious.
Airfields are the case where that matters most, because the cost is not the asphalt. It is the closure. A taxiway out of service is a real operational bill, and paying it again in four years rather than twelve is the expensive part of the decision.
The other point worth taking from it: reflective cracking is not a surface complaint. Once cracks are through, water follows them into the layers below, and what began as a resurfacing job becomes a reconstruction. Waiting is the choice that costs money.
This is a planning document rather than an installation one. When you get to placing the material, the installation guides are the ones you want: GlasGrid, GlasGrid TF and GlasPave. If you are still choosing between them, start with the selection guide.
Road Fabrics supplies and installs the Tensar interlayer range. Tell us about the project.
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