Could these panels be used outdoors for lining a generator cover to reduce sound of the generator?

Dear,we need to know first if your machine can keep out the rain. Since the acoustic panels is not waterproof. Exposure to water will affect the service life and function of the acoustic panels. You can use this product if your machine can keep out the rain. It can effectively reduce noise. But due to the small contact area. So only a small part of the noise can be absorbed. You can choose according to the actual situation. Looking forward to your reply. Feel free to contact us with any questions.

What is the exact fire rating class for these panels?

Hello, our acoustic foam is B1 class fire-retardancy. Hope this answer can help you. Thank you.

Are these durable as kids playroom wall protector (or only good for sounds absorbtion)?

Dear, this acoustic foam is mainly used for sound absorption treatment. Flutter echo, reverberation and standing wave can be well absorbed. Because it has 2inches thickness, it can also prevent slight collision.But it can not play an absolute role in protection.

Item Weight	1.91 Kilograms
Product Dimensions	30 x 30 x 5 cm; 1.91 kg
Color Name	Black (Wedge Shape)
Size	2.16㎡（24 Pack）

Acoustic Foam

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