Foam in the box is not the answer. Fire or toxic fumes are not an improvement over a draft. Keep the foam outside the box
They sell foam sheets that fit under the faceplate to block drafts, and are a much safer option
Foam in the box is not the answer. Fire or toxic fumes are not an improvement over a draft. Keep the foam outside the box
They sell foam sheets that fit under the faceplate to block drafts, and are a much safer option