The TimberTech Secure Mount Post 4" is a decking & railings for jobs that require AZEK model/MPN AZTSMP3642 in the PC sell unit. The Secure-Mount Post and Deck Mounting Kit provide a solution for installing railing posts directly onto a deck or porch surface, without the use of a 4x4 treated post.

Key Specs

• Brand: AZEK
• Model / MPN: AZTSMP3642
• SKU: AZE4SMP
• Sell unit: PC
• Product type: Decking & Railings
• Size / color: 4"
• Category: Building Materials | Building Materials/Decking & Railings

Key Features

• For RadianceRail and AZEK Rail Applications: use the twelve #10 x 2” stainless steel screws that are included with the Secure Mount Post to replace the 3” green screws for the rail to post connection
• For mounting to concrete, additional wedge anchors must be purchased

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different decking & railings, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

TimberTech Secure Mount Post 4", sold as PC, with SKU AZE4SMP and manufacturer model/MPN AZTSMP3642.

What model or part number should I match?

Match model/MPN AZTSMP3642 and confirm the brand is AZEK. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the PC sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when AZEK model/MPN AZTSMP3642, SKU AZE4SMP, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.