What To Put Under A Fire Pit On Grass Or Wooden Deck

What To Put Under A Fire Pit On Grass Or Wooden Deck

What to put under a fire pit for protection on grass, wooden deck or any other surface is a question you’ll have to contend with at one point when looking to get a portable fire pit.

A fire pit is one of those outdoor features that is a functional necessity if you want to bring the indoor living experience outside with you. Not only do they afford the possibility to  create that campfire effect by keeping warm and doing some roasting, fire pits totally transform an outdoor living spacing by acting as centerpieces where friends and family can cozily gather to relax and have fun. However, you want to enjoy your fire pit experience without having to worry about ruining your floor surface, the grass under your fire pit, your wooden  deck or burning property.

Like anything ‘Fire’ a fire pit can be a very dangerous and destructive piece of equipment to operate in your outdoor living space when not handled with care. We all know what fires do from kids to pets tripping and getting burns not to mention what the smallest piece of flying ember has the potential to do to property.

Other than the damage from direct contact with fire, the heat generated from fire pits can be damaging to the surface on which the fire pit is placed if it is not heat resistant such as a wooden deck or grass.heat-damaged-grass

The heat that radiates from a fire pit is typically at an average of between 1,000 to 1,200 degrees Fahrenheit which is plenty of heat to kill your grass and damage your deck.

So to prevent the grass under your fire pit from getting burnt ,or your deck from getting burn spots, you need to take measures to protect these surfaces by insulating them from direct heat contact using a protective heat resistant barrier under your fire pit and here is how;

1. Diy Heat Shield For Fire Pit on Deck or Grass

Diy Yourself a Heat Resistant Surface Using Basic Materials

You can easily find a hardboard of cement, landscaping tiles,  concrete or any other heat resistant material to put under a fire pit on grass or your precious deck. These non flammable, heat resistant materials will absorb much of the heat thereby insulating and shielding your surfaces from the fire pit heat.

Lay thick paving  bricks

You create an elevated platform by creating a permanent kind of brick pad by using some cement which is convenient or you can temporarily arrange them perfectly under your fire pit ensuring the surface  underneath your fire pit  is completely covered.

Brick pavers are most definitely heat resistant and strong enough to withstand extreme heat temperatures so you will be most assured your grass or deck will be protected.

If pavers are not readily available at home you can cheaply buy them.

However just remember that a fire  pit could tip over when placed on an elevated surface so be careful here.

2. Use Protective Fire Pit Pads and Mats Designed to Put Under a Fire Pit.

If you would rather skip all the Do-it-yourself processes and just find something that is ready made, you will be glad to know that there are several protective fire pit pads and mats designed specifically to used under a fire pit for heat shield purposes.

These fire pit mats are designed with heat resistant materials to ensure safety and protection as you burn your fire pit on grass, any wood or combustible surface from extreme heat generated by portable Fire Pits.

Some common and best ones ones include;

1. Fire Pit Pad Deck Protector By Newtex

Fire Pit Mat Deck Protector

Pros

  • Effective against excessive heat

  • Lightweight

  • Affordable

  • 2 size options

Cons

  • Will burn when in direct contact with heat

  • Not ideal for large fire pits

  • Not ideal for extreme heat, low sitting firepits

If you’re looking for a cheap fire pit heat shield and deck protector, then this fire it pad will be suitable for you.

An entirely affordable option, this comes highly recommended for medium to light temperature protection. This protective fire pit pad  is made with Z-Flex Aluminization that reflects heat thereby protecting your deck surface or patio from excess heat.

 Further, it is said to also features Z-Block  technology, the same technology used to protect military equipment and air-crafts from the risks of fire and heat.

The reflective silver side of this fire pit pad should face up towards the fire pit when in use. For long-term durability store it flat without bending or folding. Also avoid exposure to moisture.

Also note that there must be at least 1 inch of space in between the fire pit and this fire pit pad, as it is not designed for direct contact with heat from the bottom of your fire pit.

Comes in just  2 sizes: 16″ diameter and 24″ diameter, which will over perfect coverage for medium to small fire pits.

2. Deck Defender & Grass Guard Fire Pit Heat Shield by Northland 

What To Put Under A Fire Pit On Grass Or Wooden Deck

Pros

  • Sturdy and very high qualiity

  • Durable

  • High heat tolerance

  • 100% fire-proof, does not burnt

  • Highly effective against excessive heat

  • Will work with low sitting fire pits

  • Looks nice

  • Works with most fire pit sizes

Cons

  • Not budget friendly

  • Risk of tipping over

Now if you a highly resistant,  well -made  high-quality constructed option, then this deck defender and grass guard fire pit pad has been extensively tested to extreme conditions to ensure it is 100% fire-proof and weather resistant.

It’s probably one of the best if not the best when it comes to heat endurance, capable of withstanding temperatures as high as 1,700 degrees F.

A sturdy option, it is hand-crafted using the finest materials and comes with a powder coated 4-inch thick steel frame for longevity and improved appearance. It also features an attractive high shine surface to reflect heat, aluminum that absorbs the heat, and multi layered metals with an air spaces between them to create an insulation effect to effectively balance elements that pertain to the principles of radiant heat transfer. Thus, effectively blocks heat and prevents damage.

In addition this fire pit mat goes a stop further to ensure protection of your surfaces by increasing the distance between the bottom of the fire pit and the surface.

This is as a result of the fact that it comes fully equipped with 4 legs on each corner enabling your fire pit to site a few more inches above the ground.  This means that people with fire pits sitting close to the ground can confidently use this unit.

The downside here is that this could pose a danger of tipping over for smaller fire pits that will need to be placed on top of instead of the fire pit straddling it.

So add the 4 inch thickness, high quality construction, high heat tolerance and the added height and you’ve got yourself a great fire pit mat that will ensure your peace of mind for years!

For it’s size of 26 x 26 x 4 inches, this will work with most fire pit sizes.

3. The Original Ember Protective Mat by Campfire Defender Protect Preserve 


Fire Pit Heat Shield

Pros

  • Well constructed

  • Effective against excessive heat

  • Extensive surface area

  • Fits most fire pit sizes and grills

Cons

  • Not ideal for low sitting fire pits

  • Not ideal for very high prolonged temperatures

  • Not fire proof

A best-seller, this fire pit mat is made from silica fiber material with high temperature Silicone Coating,tested to guarantee it can withstand temperatures of  up to max temperatures of up to a maximum of 725F for an extended period of time without damage to it or your surface.

Other than offering protection against direct heat contact, a major selling point for this fire pit mat is its massive size.

At a whooping 67 Inch x 60 Inches approximately, this will work with portable fire pits of all sizes as well as outdoor cooking grills of most sizes to protect against grease and food dripping stains.

On the downside however, some customers found that this fire pit mat does not particularly work in extremely high temperatures or with direct contact with fire for prolonged periods of time.

In fact, the manufacturer explicitly warns against letting your the mat coming to contact with burning embers or using the mat with fire pits that do not clearance of more than 10-inches between the bottom of the fire pit and the mat.

This therefore means that the mat is not is fire-proof and best stay away from this one if your fire pit sits low to the ground.

Other than that, it was found to  be quite effective against heat protection of grass, wooden deck and other combustible surfaces.

Summing Up

Putting some kind of protection or heat shield between your fire pit and your grass or deck is the most sure way to protect your grass from damage.

However, if you are not going to put a fire pit pad or something under your fire pit on grass, you may want to increase the distance between your fire pit and  grass by going for fire pits that are high above the ground. The higher bigger the distance between the fire pit and the grass, the better.

And this only applies to gas fire pits. The only kinds of fire pits that offer this kind of clearance are gas fire pit tables.  And be that as it may,  while you may get away with operating a gas fire pit on your surfaces without a protective mat, this  may not work so well with wood burning fire pits.

 

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