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Mark from Palm Beach Gardens writes,

Can I use this product on siding to prevent spider web formation?

I am looking for a relatively safe product with a long residual for our summer cottages to prevent spider web accumulation. Thank you.


Bifen XTS will help kill spiders in the area but it can take 24-48 hours for spiders to die after they come into contact with the product and in that time they can form webs. We do carry WebOut Cobweb Eliminator which can help to help prevent the formation of new webs. We do recommend you use a really good insecticide such as the Bifen XTS around the base of the structure to help eliminate the spiders and the Webout in places where you need to discourage web formation for the best results.

Answer last updated on: 09/03/2012

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