Category: making

Adhesives – week 1

It’s been a cold and wet week and we had one failure.

Crack sealer 1

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‘Clamped’ Gorilla Glue

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Gorilla Glue

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Epoxy

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Crack Sealer 2 (same sealer – I just put two tiles down with it)

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The crack sealer tiles were not applied using the method outlined in the Toynbee how-to. I need to find some scrap tar paper and try it the right way – I do think the paper will make a difference.

Adhesives

The standard way of applying Toynbee tiles to road surfaces is with asphalt crack sealer (see here for a how-to). Chris reported some issues on his first go-round with QRCode tiles and crack sealer; it’s not apparent whether it was the brand of sealer or whether the full coverage (no gaps/cutouts for letters) of the QRCode caused a problem with slipping and moving. Sounds like it’s time for a little empiricism! Off to the big box store for a selection of adhesives and a chipped VCT tile (extra cheap!).

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To be tested: Gorilla Glue, Epoxy and Crack Filler. I tossed a bucket of water on the road surface before sticking down two tiles with Gorilla Glue – I parked a front wheel of my truck on one tile to clamp it and left the other one unclamped to see what it would do.

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Epoxy and crack sealer were both applied with zero prep – epoxy on the tile first, crack sealer squirted on the road and the tile plopped into it. Notice the clever labeling.

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At the end of day one, all tiles are still in place – let’s see what the week will bring.