Gaskets — Sealing / Neo / Black Felt

Sealing gasket
A translucent white caulking gasket. Made of stretchy material and closely fits around the screw threads once contracted, providing excellent waterproof performance.
Neo-seal
A gasket made of felt impregnated with a special type of resin. Boasts a decent amount of flexibility on top of excellent weather resistance and waterproof performance. Made of semi-transparent resin and so will not ruin the look of your roof after construction.
Black felt gasket
A gasket made of felt impregnated with asphalt. Proven performance as a gasket delivering waterproof performance for roofing.