Core Tarps Heavy Duty 8 Mil Tarp Cover 20 x 40 - Waterproof, UV

In this review the Core Tarps Heavy Duty 8 Mil Tarp Cover is evaluated for homeowners, contractors, and outdoor enthusiasts who need a dependable, all-weather sheet for covering roofs, boats, patios or temporary shelters. The single biggest reason to buy is its construction from 100% virgin polyethylene, which delivers a noticeably heavier, more tear-resistant feel than many mixed-material tarps and gives confidence when used for demanding covers or temporary roof protection.

Key Features

• Finished size: The tarp ships at the full advertised dimensions so buyers receive the complete 20 x 40 size rather than a slightly undersized sheet.
• Material quality: Made from 100% virgin polyethylene for increased durability and resistance to tearing, rot, and breakdown from repeated use.
• Reinforced edges: Reinforced hems add strength along the perimeter so the tarp holds shape under tension and resists unraveling where it is tied down.
• Metal grommets: Grommets placed every 24 in provide secure anchor points for rope or bungee cords and make it straightforward to lash the tarp over irregular loads.
• Weather resistance: The 8 mil film is waterproof and UV resistant so it can be used seasonally in sun, rain, or snow without immediate degradation.

Who It's For

This tarp is a solid choice for homeowners needing a reliable temporary roof or patio cover, contractors who want an economical protective sheet for materials, and campers or boat owners looking for a durable protective layer. The finished sizing and reinforced edges are particularly useful where accurate coverage and strong tie-downs matter.

It is less suited to users who require a very lightweight, packable tarp for ultralight backpacking or those needing a decorative cover; the heavier 8 mil construction adds weight and bulk compared with thin emergency tarps.

Pros & Cons

Pros

• Durable 100% virgin polyethylene construction resists tears and rot under regular outdoor use.
• Finished size means the buyer gets the full 20 x 40 coverage advertised without surprises.
• Reinforced edges and metal grommets every 24 in make secure fastening simple for long runs and windy conditions.

Cons

• At 8 mil thickness the tarp is heavier and bulkier to store than ultralight alternatives.
• Some users report occasional tearing in extreme use, so very heavy abrasion or sharp-edged loads may still damage the sheet over time.

Specifications

Our Verdict

The Core Tarps Heavy Duty 8 Mil Tarp Cover is a practical, value-oriented choice for anyone needing robust, weatherproof coverage with reliable tie-down points. Its 100% virgin polyethylene and finished sizing make it a dependable option for roof patches, boat and furniture protection, or worksite covers; buy it when durability and correct coverage matter more than ultralight portability.

Frequently Asked Questions

Is the 20 x 40 size the actual delivered size?
Yes, Core Tarps sells this as a finished size so the tarp arrives at the full 20 x 40 dimensions.

Can this tarp be used year-round outdoors?
Yes, the tarp is waterproof and UV resistant so it is designed for seasonal outdoor use in sun, rain, and snow.

How often are the grommets placed?
Metal grommets are installed every 24 in to allow secure tie-downs along the edge.