Will Deck Stain Kill Grass? 5/5 (1)

This post was updated on June 28, 2022

Do Deck Stains Harm Grass?

Absolutely! It is very important to avoid getting your exterior wood and deck stain on your grass when applying. This can easily be avoided by using poly tarps and plastic sheeting to cover the grass and capture any overspray or drips when applying your deck stain. It is very important that you remove the plastic tarps as soon as possible when you are done! Covering grass for more than 30-60 minutes on a hot day can create immense heat under the tarps and “burn” the grass.

deck stain killed grass

More Info on Killing Grass Using a Deck Stain

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