Yes, you can spray wood for termites using a product containing an active ingredient such as Deltamethrin, Bifenthin, Cypermethrin, or Lambda-cyhalothrins. It is important to follow the manufacturer’s instructions when spraying these products and to use protective equipment in order to mitigate any potential risks associated with them. Additionally, regular inspections of your home throughout the year should be done to identify any new infestations before they cause serious damage.