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Screws optimized for Azek with custom plugs for an easy to install ‘hidden’ look
Azek is a popular material to use for building a lifetime deck. However, it’s important to make sure you’re using the right fastener for long-term corrosion protection and for the aesthetic appearance of your new deck. FastenMaster’s Cortex screws have been rigorously tested by both FastenMaster and Michigan State University.
The Cortex also uses a unique countersinking driver bit (three are included with each 350 pack and six with every 1,050 pack of screws) to drive the screw to the exact depth necessary for covering it with a pre-engineered plug designed to match your material.
FastenMaster guarantees the corrosion resistance of the Cortex screw/plug system (so long as they have been installed according to instruction). Note: These screws are not intended for use within one mile of salt water.
The Cortex screw is warranted for use in ACQ, Copper Azole pressure treated lumber. Approved by Azek. Plugs pictured are gray, actual plugs will match Clay Azek material. Available in 100 sq. ft. (350 screws) and 300 sq. ft. (1,050 screws) deck packages – based on 6" board width and 16" O.C. joist design. Made in USA.
Cortex® Guarantee The FastenMaster Cortex system has been designed to protect against corrosion in longer lifespan composite and PVC decking materials. This warranty also extends to the use of Cortex screws in pressure treated chemicals such as ACQ, Copper Zole and micronized copper treatments in the framing members. Under the terms of this guarantee, FastenMaster will replace any Cortex found to be staining the deck or structurally compromised by use of treated wood for the life of the project. This guarantee will not cover the use of the system where the framing members are in direct contact with the ground or where salt water may reach the framing.