Why use adhesives when nails will do? Without adhesives, the stress that builds up in structural members concentrates around nails or screws. If you use adhesives, the stress spreads throughout the material. You'll also need adhesives to bond two dissimilar materials, but picking the right one is tricky because dissimilar materials have different rates of expansion and contraction (think of joining glass and wood, for example). Most small contractors use all-purpose "construction adhesive," picked up from the lumberyard for most onsite adhesive jobs. This is supplemented by a gallon of yellow glue that rolls around in the back of the truck. But all-purpose adhesives only scratch the surface of modern "stickum" technology. You can find adhesives that will give you just