Was it the sealant supplier who sold a product that hardened too much with age, or was it the applicator who miscleaned or poorly primed the joint that led to the adhesive failure?

And because the said Thomas Fallisdaill and John Semple ar alreddy enterit to the said wark, [ and ] coft materiallis as thai declairit, and ressauit ane pairt of the said taxatioun;

There is no reason but hath another contrary unto it, saith the wisest party of Philosophers.

In posied lockets bribe the fair.