Side Mount Flat Top Post

Side Mount Flat Top 2″ Square Post

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Details of each “Post Configuration” can be found in the description below.

Product Description

Side Mount Flat Top 2″ Square Posts provide the foundation for a cable railing system. Side Mount posts are fascia mounted to preserve the maximum space on your deck, balcony. Flat top posts only work on level runs, if you have a stair section select Universal Top posts.

Our cable railing posts are available in multiple material types (304 Stainless Steel, 316 Stainless Steel & Aluminum), and in multiple finishes (Brushed, Powder Coated Black, White, Pewter & Copper Vein). All holes are drilled with 3.125″ spacing, and we recommend putting a post at least every 4 feet to reduce deflection and ensure that you meet code. Guide to getting started with Viewrail.

For precise measurements of each of the mounting options (Standard, Inside Corner & Outside Corner), and signed and stamped engineering load specs please view our “specifications” tab.

All “LH” posts are designed to go on the left side of the stairs (when standing at the bottom looking up), and all “RH” posts are designed to go on the right side of the stairs (when standing at the bottom looking up).

Post Configuration Details:

"A" Side Mount Cable Railing Post

“A” – The “A” post is designed to be a start or end post on level runs. It has level 1/2″ holes drilled on both sides of the post. Recommended fittings: “Level Tension Kits” (36″ – 10 kits, 39″ – 11 kits, 42″ – 12 kits).

"A-2" Side Mount Cable Railing Post

“A-2” – The “A-2″ post is designed to be an intermediate post on level runs. It has level 1/2” holes drilled on both sides of the post. Recommended fittings: “Steel Insert Sleeves” (36″ – 20, 39″ – 22, 42″ – 24).

"A-5" Side Mount Cable Railing Post

“A-5” – The “A-5″ post is designed to be an intermediate post on level runs. It has level 5/16” holes drilled on both sides of the post. The cable will simply pass directly through the post, no additional fittings are required.

"C" Inside Corner Mount Cable Railing Post

"C" Outside Corner Mount Cable Railing Post

“C” – The “C” post is designed to be a level corner post where one run of cable ends, and another begins (going left or right depending on your selection). It has level 1/2″ holes drilled on both sides of the post, and a set of KeyMount holes turning left or right. Recommended fittings: “Level Tension Kits” (36″ – 10 kits, 39″ – 11 kits, 42″ – 12 kits) & “KeyMount Kits” (36″ – 10 kits, 39″ – 11 kits, 42″ – 12 kits).

"D" Inside Corner Mount Cable Railing Post

“D” – The “D” cable railing post is designed to turn a corner from an angled staircase to a level balcony turning left or right. It has 1/2″ offset* holes drilled on opposite sides of the post, and 1/2″ level holes drilled on the other two faces. Recommended fittings: “Angle Tension Kits” (36″ – 10 kits, 39″ – 11 kits, 42″ – 12 kits) & “Level Tension Kits” (36″ – 10 kits, 39″ – 11 kits, 42″ – 12 kits).

"F" Side Mount Cable Railing Post

“F” – The “F” post is designed to be a start post on level runs. One side of the post has level KeyMount holes drilled into it, the other three sides of the post are completely clean (pick this post for an extra clean look). Recommended fittings: “KeyMount Kits” (36″ – 10 kits, 39″ – 11 kits, 42″ – 12 kits).

"H" Side Mount Cable Railing Post

“H” – The “H” post is designed to transition from 36″ tall stair section to a 39″ or 42″ level balcony section. It has 10, 5/16″ offset* holes drilled on opposite sides of the posts, in addition it has one (39″) or two (42″) KeyMount holes drilled at the top of the high side of the post. Recommended fittings: “Adhesive Sleeve” (20 sleeves) & “KeyMount Kits” (39″ – 1 kit, 42″ – 2 kits). Additional hardware: The Postside Handrail Bracket will make transitioning this handrail much easier.

"I" Inside Corner Mount Cable Railing Post

“I” – The “I” post is designed to turn a corner from an angled staircase and change heights to a level balcony turning left or right. It has 10, 1/2″ offset* holes drilled on opposite sides of the post, and 11 (39″) or 12 (42″), 1/2″ level holes drilled on the other two faces. Recommended fittings: “Angle Tension Kits” (36″ – 10 kits) & “Level Tension Kits” (39″ – 11 kits, 42″ – 12 kits). Additional hardware: The Postside Handrail Bracket will make transitioning this handrail much easier.

"S" Side Mount Cable Railing Post

“S” – The “S” post is shipped without any holes pre-drilled in the post itself (handrail bracket and foot still come pre-drilled). Select this post if you have an application where cables are necessary but you still want to run handrail, or in a custom application and you want to drill the holes yourself.

* All offset holes are drilled at 40 degrees (the typical angle of a staircase), these 40 degree holes work with angles between 36 – 42 degrees. If you staircase falls outside those angles custom hole drilling can be requested at no additional charge.

Posts are manufactured 1″ designed shorter than their defined height. This will allow you to be at the exact height with our 1″ tall metal handrail, or slightly over with our 1 5/8″ tall 6000 series handrail.

Mounting feet come with 4 holes for 3/8″ fasteners. The handrail bracket also comes with 6 pre-drilled holes to secure the handrail.

If you live in coastal region (within 50 miles of salt water) you want to select 316 stainless steel. If you are within 2 miles of the ocean you also want to add our clear coat protective finish on top of the 316.

Product Specifications

Click view the specifications of our Standard Side Mount Plate.

Click view the specifications of our Inside Corner Side Mount Plate.

Click view the specifications of our Outside Corner Side Mount Plate.

Click view the signed and stamped engineering load specifications.

Installation Guide

Metal Post Installation Guide Thumbnail

Product Q&A


Guest
Tom Novak
9 months 26 days ago

I’m can’t figure out if I need a F post LH or RH; I don’t know which side the hole is on. Can you explain?
Thanks!

Support
9 months 24 days ago

Hi Tom,

The LH and RH refers to the direction the cable needs to travel when the post is mounted. If you take a look at the post diagrams in the product overview, the F post pictured is an F post RH.

Guest
Michael
8 months 17 days ago

what is the thickness or gauge steel of the 304 stainless steel posts

Support
8 months 16 days ago

Hi Michael,

The 304 stainless steel posts have 1/8″ thick walls. Let us know if there’s anything else we can help you with!

Guest
andre
8 months 12 days ago

The ‘outside corner c post’ pictured is a RH or LH configuration? Since this has the adjustable end of the run going to the left, I’ll assume its an LH configuration correct? Thanks

Support
8 months 11 days ago

Hi Andre,

Good question! The outside corner C post will use level tension kits and a keymount kit to tension the cable. The side of the post with the keymount is reflected in the name of the post. So if you’re standing inside of your house looking out at the deck and the keymount side of your post is going left, it’s a left hand, and if it’s going right, it’s a right hand. The one pictured in the outside corner post diagram is a left hand. This is identifiable because unlike the level tension kit, the keymount kit is not visible on both sides of the post. So standing inside the house and looking out at the deck, you would see that the keymount side of the post is traveling to the left. Please let us know if you have any further questions.