If you are having a problem with roaches water bugs you should look at treating more than just the attic especially since the roaches are coming in from the outside.
Roaches in attic insulation.
Spiders simply slink back into their web lined holes while silverfish ants roaches and the like retreat to the underside of the 6 to 10 inches of life preserving insulation.
No fog dust or spray in the world will get to anything there.
Place sticky traps around your attic.
Certain areas of the home can harbor insects such as attics basements kitchens and bathrooms making these rooms common areas where bug bombs are placed.
Poison the cockroaches in your attic.
How to get rid of roaches in attic step 1.
Most insulation materials that are treated for pest control purposes can help take care of the most common home invaders such as ants and cockroaches.
Bug bombs fumigate areas that have insect infestations and kill bugs within hours of release.
Dusts such as drione.
Sticky traps such as tomcat glue cockroach trap lure cockroaches with.
Pest control attic insulation is the result of a revolutionary merger of two well respected technologies natural cellulose insulation and natural borate pesticides creating thermal acoustical pest control insulation the only stabilized pest control insulation.
The treatment gets on the roach as it crawls around the insulation.
Boric acid used on insulation is deadly for roaches and other self grooming insects.