Product details:
SPEED SCREEN Aluminum curved expanded metal with a small hole design (1/8 inch x 3/16 inch). The curved screen gives it spring tension which holds it into place. It also has a stiffener strip applied to the back edge of the screen to give the back support. The front lip also has the formed lip like the Drop-In.This product gets its name because the speed and ease of installation.IT WORKS VERY WELL WHEN APPLICATIONS DO NOT ALLOW YOU TO PLACE THE LEAF-GUARD UNDER THE ROOFING MATERIAL.