Dusts such as drione and sprays such as raid can cover large areas and do not need to be ingested to take effect.
Dead roaches in attic.
Of course the downfall is it won t get spiders scorpions or other insect eating pests but hey.
Poison comes in the form of bait dusts and sprays.
It can attract and feed hungry roaches.
Liquid or glue traps.
Of syrup honey or molasses.
Poison the cockroaches in your attic.
Roaches silverfish and others also will eventually find it and the result is dead bugs.
Floors and counter tops offer roaches more food sources along with more opportunities to attract them.
Storing paper in your attic or closet.
Carpets collect crumbs that are usually too small for you or i to notice and furniture can hide lots of specks of food that are perfectly accessible for cockroaches.
Boric acid used on insulation is deadly for roaches and other self grooming insects.
Again mix with the fork working the mixture well.
These are a good option in case the infestation was in its initial stages.
The residual is pretty fair and no worries about the next guy in breathing unwanted pesticides.
These are sweet and have strong scents that will help attract the roaches.
If the mixture is too thin add another tablespoon of boric acid and a teaspoon of peanut butter the final mixture should be the consistency of a thick cookie dough.
The more the roaches killed by the traps the more severe the infestation is likely to be.
The traps can also give you more proof of how severe the roach infestation is.