Ice Dam Prevention

Agate Exteriors, removes and prevents the formation of ice dams, we offer cost effective rooftop solutions that will leave the interior of your home undisturbed.


Above Sheathing Ventilation(ASV)*

Above Sheathing Ventilation


ASV System Installed

ASV Barrier

Barrier/ Vent Gap

ASV Sheathing

Sheathing Installed

ASV Soffit Vent

Intake Vent

Ridge Cap ASV

Exhaust Vent

*ASV systems are perfect for under metal roofs but can also be installed under asphalt shingle roofs.