SUP04 HDP Urethane Bottom Rail Support Block – 6″ W × 6″ L × 2″ H

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SKU:
SUP04
MPN:
SUP04
Condition:
New
Availability:
Typically Ships within 2-3 weeks from Order Date
Width:
6.00 (in)
Height:
2.00 (in)
Depth:
6.00 (in)
Shipping:
Calculated at Checkout
  • SUP04 HDP urethane bottom rail support block, 6 inches wide x 6 inches long x 2 inches high
  • SUP04 Rail Support Bracket 2" x 6"
Now: $32.80
Was: $42.78

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Frequently bought together:

Description

SPECTIS HANDRAIL SYSTEMS

SUP04 Bottom Rail Support Block

SUP04 sits beneath the bottom railing, usually near the middle of the span, to help keep the rail from bowing or arching over time. Longer spans may need additional support blocks. Made from high-density polyurethane and supplied double primed for painting.

WIDTH6″Across the block
LENGTH6″Front to back
HEIGHT2″Top to bottom
FINISHPrimed whiteReady for painting
SUP04 HDP urethane bottom rail support block 6″ W × 6″ L × 2″ H

Product illustration. Confirm dimensions and rail pairing against the manufacturer drawing.

SUP04 at a glance

Profile
Plain rectangular support block
Material
High-density polyurethane
Finish
Double primed; paint after installation
Use
Beneath the bottom rail
Rail pairing
RAL2102 & RAL2105
Size
6″ W × 6″ L × 2″ H
Production
Made to order

Plan your order & delivery

Made for your project

SUP04 is made to order and cannot be returned. Confirm the rail model, block size and quantity before purchasing.

Small parts

A support block on its own typically ships UPS.

With a long rail

An order that includes a long rail ships LTL freight.

If it goes by freight

Freight needs a verified commercial address that a 52-foot trailer can pull into. A house with a business in it does not qualify. If the carrier calls the address a residence, a $275 fee is added. You receive a confirmation letter so you can correct the address or pay the extra freight.

How long

The order goes to the Spectis plant in Manitoba the same day. Shipping from Canada typically takes two to three weeks.

Placement & fit

Set the block beneath the bottom rail, between the rail and the surface below it. A block is commonly placed near the middle of a railing span; longer spans may require additional blocks to help prevent bowing over time.

The manufacturer drawing identifies RAL2102 & RAL2105 for SUP04. Check the 6″ W × 6″ L × 2″ H dimensions against the rail footprint and the available clearance. Confirm the number and spacing of blocks for your particular run.

Installation & finishing

  • Check the block size and placement with your rail system before fastening.
  • Use ADH100 adhesive on every bedding joint and butt joint.
  • Follow the Spectis handrail instructions for fastening and assembly. Adhesive, nails and screws are sold separately.
  • The block ships double primed. Paint after installation following the manufacturer's finishing instructions.

Read the baluster and handrail installation guide

Drawings & resources

Check the dimensions and rail pairing before ordering. PDFs open in a separate tab.

SUP04 FAQs

What does this support block do?

SUP04 sits beneath the bottom railing, usually near the middle of the span, to help keep the rail from bowing or arching over time. Longer spans may need additional support blocks.

Where should I place the blocks?

Place support blocks between the bottom rail and the surface below it, typically near midspan. Longer runs may need more than one block. Confirm the number and spacing for your rail system and span before installation.

What size is SUP04?

6 inches wide × 6 inches long × 2 inches high. The manufacturer drawing identifies RAL2102 & RAL2105. Check the drawing and the clearance beneath your bottom rail before ordering.

What is it made of?

High-density polyurethane (HDP urethane). It ships double primed and should be painted after installation.

Which adhesive should I use?

Use ADH100 adhesive on every bedding joint and butt joint, following the Spectis handrail installation instructions. Adhesive, nails and screws are sold separately.

Can I return it?

No. It is made for your order. Confirm the size, rail pairing and quantity before purchasing.

How does it ship?

A small part on its own typically ships UPS. An order with a long rail ships LTL freight. Freight needs a verified commercial address accessible to a 52-foot trailer. A house with a business in it does not qualify. If the carrier classifies the address as residential, a $275 fee is added and a confirmation letter is sent so you can correct the address or pay the extra freight. Orders go to the Spectis plant in Manitoba the same day; shipping from Canada typically takes two to three weeks.

What if it arrives damaged?

Inspect it at delivery and notify the carrier right away. Email sales@spectis.us the same day. If Spectis is not notified within 24 hours, the items cannot qualify for a claim.

Need help checking the fit?

Have your rail model, span and part number SUP04 ready. Weekdays, 8 a.m. to 6 p.m. Eastern.

Back to support blocks

Builders, designers, and customers: if Spectis products or the installation steps are modified, you agree to indemnify, defend, and hold harmless Veritas Products LLC, veritasproducts.com, and spectis.us from any claimed loss or damage, regardless of other instructions.

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Warranty Information

Spectis Moulders Inc. warrants its products against defects in materials and workmanship for a period of five years from date of purchase, to the original end user, when used and installed under recommended conditions. If the product is not painted immediately following installation, the warranty will be for a period of 1 year from date of purchase. Read the full Spectis warranty explanation.
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