Can I install it without drilling on the surface?

We strongly recommend that mount the pergola on the surface in case a strong wind.

Would the canopy protect from rain, or is it really meant for sun?

The canopy of this pergola would protect from light rain and sun.

Can the pergola hold a swing?

Hanging a swing is not recommend for this pergola.

Is this pergola sturdy?

This retractable pergola is built with reinforced aluminum which can withstand elements, sturdy and solid for years of use.