How do spiders make webs across gaps inside your house?

If the strand does not make contact with something and attach to it, the spider may gobble up the strand and recycle its proteins, then try again. If the gap is bridged, the spider reinforces the strand and uses it to start the web. read more

Another way they can do it is by anchoring a web end at one point and walking across the ceiling to the other location whilst the web is allowed to loop down. they then gather in the slack before fixing it to the other wall. read more

A spider relies on the wind to carry the filaments across wide intervals. But a mere four feet is a minor accomplishment for spiders. One recently discovered species from Madagascar, Darwin’s bark spider, or Caerostris darwini, habitually bridges rivers. read more