# rumlick HDC-312 Extra-Large Grill Mat, 100 x 39 in, Double-Sided Fiberglass

The rumlick HDC-312 is a 100 x 39-inch coated fiberglass grill mat for catching grease and debris on decks and patios.

- [Original product page](https://www.ofertitastop.com/us/product/rumlick-hdc-312-extra-large-grill)
- [View offer](https://www.ofertitastop.com/us/visit/rumlick-hdc-312-extra-large-grill)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-24T01:49:31.918Z
- Brand: rumlick
- Model: HDC-312
- MPN: HDC-312
- EAN / GTIN: 742939796059
- SKU: ofertitastop-us-161438
- Category: Home & Garden > Lawn & Garden > Gardening > Gardening Accessories
- Source store: amazon US
- Active deal: Yes
- Price: 44.99 USD
- Previous price: 49.99 USD
- Discount: 10%
- Rating: 4.7 / 5
- Reviews: 460

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

If you grill on a deck, patio, or lawn, a wide ground cover can help keep grease, food debris, and stray embers off the area beneath your cooking setup. The rumlick HDC-312 measures 100 x 39 inches, giving you a broad surface under and around an outdoor grill.

Its fiberglass construction has a heat-resistant coating on both sides, with resistance up to 2,000°F. The silicone-coated surface is waterproof and oil-proof, so spills and residue stay on the mat for straightforward cleanup.

When grilling is over, wipe the surface with a damp cloth or rinse it with a hose. The mat folds for storage and is portable for camping or other outdoor cooking setups.

## What you’ll notice day to day

The extra-large footprint is useful when a compact mat would leave parts of the surrounding deck or patio exposed. Place it beneath an outdoor grill to help catch grease, food scraps, and sparks, or use it around a fire pit, fireplace, or tailgate grill setup. Its 100 x 39-inch coverage also gives households with multiple grills more room to protect the cooking area.

The water- and oil-resistant surface makes routine cleanup practical: wipe away dust or spills with a damp cloth, or use a hose for stuck-on grease and food residue. When the mat is no longer needed, fold it for storage or take it along for a camping trip. Buyers have also described using it beneath 36-inch Blackstone griddles and appreciate its coverage, grease protection, and ease of cleaning.

## Key takeaways

This is a freestanding outdoor grill mat made from fiberglass, measuring 100 x 39 x 0.04 inches. Its heat-resistant coating is rated up to 2,000°F, and its silicone-coated surface helps resist water and oil. The double-sided design offers flexibility when placing the mat, while the foldable format suits storage between uses. For shoppers choosing between a small mat placed directly under a grill and broader ground coverage, this size extends protection across a larger cooking area.

For safe use, keep the mat at least 10 inches from the fire source and do not build a fire directly on it. This placement helps preserve the mat while keeping it positioned to catch splashes and debris around the grill.

## Maintenance

Let the mat cool before cleaning. Wipe it with a damp cloth for light residue, or rinse it with a hose when grease or food is stuck to the surface. Allow it to dry before folding it for storage. Its waterproof, oil-resistant finish is designed to make cleanup after grilling simple without requiring a complicated care routine.

## Final verdict

The rumlick HDC-312 is suited to outdoor cooks who want more coverage than a small grill pad provides. Its 100 x 39-inch format, coated fiberglass construction, and foldable storage make it a practical ground protector for decks, patios, lawns, camping, and other grilling areas. Choose it when broad coverage and easy cleanup are central to keeping the space around your grill tidy.

## Images

![rumlick HDC-312 Extra-Large Grill Mat, 100 x 39 in, Double-Sided Fiberglass — 1](https://www.ofertitastop.com/i/CN-dBKeJIHZ8S0eCEBnpufxzkFLiYPLLmEf_tP67jIQRb8Q7NCSuJ5NFQslMGtAHEAORhgqhV7t0N3mKXNj2JZyUeNBg5AIAyk9YJLKI4HbLeud5C1hk4B8VGw.jpg)

![rumlick HDC-312 Extra-Large Grill Mat, 100 x 39 in, Double-Sided Fiberglass — 2](https://www.ofertitastop.com/i/JwyToyC8FLaYSIHTvgWEfbp3ScucZF87ja0prHToa-T_RY4XTTt4wjE5t8woDuB7M9BhQnPW7UeeCLwdvTAPg6QKXuCmulBj1cbL9KaaFm0U5jvJXmqQEI_Saw.jpg)

![rumlick HDC-312 Extra-Large Grill Mat, 100 x 39 in, Double-Sided Fiberglass — 3](https://www.ofertitastop.com/i/zF5PAGUq-GSQDakcg08d9Z57as9xm2L5hUKtnI2nxjhlMWrs8wGGKDdgQz7CMLkxmhUlF1ibMS25ZW1CVcGIj2sKBCEOMD3rCxfsJ6sNoA9mu9Zz7-oh6vifIw.jpg)

![rumlick HDC-312 Extra-Large Grill Mat, 100 x 39 in, Double-Sided Fiberglass — 4](https://www.ofertitastop.com/i/y_JxCvoIzMwvdsML1DPdDPlb90wV4A6VVmUfb9eycvsDfvoygyPvQ1lkteqqRqLhzNDOkPkgMWMmj6fSJVB9raHZ4vM5yskr9VyfMo0OhyCQuMbOkFvrC-St2Q.jpg)

![rumlick HDC-312 Extra-Large Grill Mat, 100 x 39 in, Double-Sided Fiberglass — 5](https://www.ofertitastop.com/i/aWgseehzmPCpA_4dUclZYHinjejzabB-vMYXVb_-Fcq_dGnAzZlYcpJGrYX_WIgKosC55UhldSv3oadpOm8ozKgLjOp8FyhCJ1n5NgmG_qLyWE1Ria0NL39hPw.jpg)