20' x 40' Boat Dock Sun Shade Curtain - 86% UV Mesh - Grommet Every 1 ft - Made in USA

20' x 40' Boat Dock Sun Shade Curtain - 86% UV Mesh - Grommet Every 1 ft - Made in USA

Best for 20' x 40' boat dock and slip curtain sections where breathable shade, UV reduction, and airflow are needed. Ideal for dock sun shade and boat lift side curtain applications.

Vendor: Sigman

Type: Boat Shade Cover Tarp

SKU: BST2040BLU

$926.97

Shipping calculated at checkout.

Color: Blue

Made-in-USA breathable mesh blocks approximately 86% UV
Designed for boat dock curtains, boat slip shade sections, and lift side panels
Heavy-duty brass grommets every 1 ft for secure tie-down
Custom sizes available for dock, slip, and lift layouts
Lead Time: 1 - 2 weeks + transit time

This 20' x 40' boat dock sun shade curtain helps reduce heat and UV exposure in dock and lift areas while allowing airflow. The breathable mesh design is ideal for boat dock curtains, boat slip shade curtain sections, and boat lift side curtain panels where comfort and ventilation matter.

Unlike solid materials, this shade mesh is built for airflow and lower wind pressure, making it practical for high-sun dock environments. It is Made in USA and designed for long-term outdoor use with durable construction and reinforced grommet spacing for easy installation.

UV Block: approx. 86%
Material: breathable shade mesh (not waterproof)
Grommet spacing: every 1 ft
Country of origin: Made in USA
Finished size note: up to 3% or 6 in smaller (whichever is greater)
Custom size: available upon request

Sample Swatch

Applications

Overview

This 20' x 40' boat dock sun shade curtain is designed for dock slip and boat lift side curtain applications where breathable shade, UV reduction, and airflow are needed. It helps reduce UV and heat exposure around boats, lifts, and seating areas while allowing air to pass through.

Best for

Boat dock and slip shade curtain sections
Boat lift side curtain panels
Seating zones that need shade with airflow
High-sun locations where heat reduction is needed

Not ideal for

Waterproof rain blocking (mesh allows water through)
Full privacy screening
Fully enclosed wind/rain barriers
Applications requiring complete light blockout

Comparison

Vs solid vinyl or canvas: this breathable mesh curtain provides better airflow and reduced heat buildup, but it is not waterproof. Choose this option for dock, slip, and lift shade applications where ventilation matters; choose a solid waterproof tarp when rain blocking and enclosure are the priority.

Warnings

WARNING: Tarp size is cut size. Boat sun shade cover tarp's finished size is up to 3% or 6 inches smaller, whichever is larger.
WARNING: This boat sun shade cover tarp is NOT waterproof. Rain and air will go through. For waterproof tarps, please consider Sigman 18 oz Vinyl Coated Polyester Tarps.
WARNING: This boat sun shade cover mesh tarp is made-to-order.
WARNING: Boat sun shade tarp may have seams.

Fast shipping
30-Day Return Period (exclude custom / special items)

Frequently Asked Questions

What is this 20' x 40' boat dock sun shade curtain used for?

This 20' x 40' curtain is commonly used for boat dock slip sections, boat lift side panels, and seating areas where breathable shade, UV reduction, and airflow are needed.

Is this 20' x 40' curtain waterproof?

No. This is breathable shade mesh and is not waterproof. Air and water can pass through, so it is best for sun and heat reduction rather than rain blocking.

How much UV does this 20' x 40' mesh curtain block?

This mesh blocks approximately 86% of UV while allowing airflow to help reduce heat buildup in dock and lift areas.

Can this be used as a boat lift side curtain?

Yes. It is commonly used as a boat lift side curtain panel where breathable shade and UV reduction are needed.

How do I install or tie down this curtain?

Common tie-down methods include tarp ball bungees, rope, or awning cord through the grommets. This product has grommets approximately every 1 ft for flexible attachment points.

How do I choose the right size for dock or lift use?

Measure the shade opening width and drop, then choose a size that matches your tie-down layout.

Do you offer custom sizes for dock and lift curtains?

Yes. Custom-size boat dock and boat lift shade curtains are available for specific dock slip, lift, and canopy side dimensions.

Where is this 20' x 40' curtain made?

This 20' x 40' boat dock sun shade curtain is made in the USA.