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How DeckProtect™ Works

A specially engineered dual-layer thermal barrier made from flame-proof basalt fiber, which is a volcanic rock, blocks transmission of the heat. Temperatures under DeckProtect are comfortably within the safety zone and way below the range that can cause damage to decking. The aluminum frame holds the barrier sections firmly in place.
Illustraton shows how DeckProtect protects a deck from heat of a fire pit
Air space below the frame allows air flow to keep moisture from accumulating on your deck. This 3/4" of space is really valuable because it not only improves the insulating effect, but also ensures that your decking will not become stained from trapped moisture.

The frame is made with heavy gauge 1/16” thick aluminum so it will not rust. The basalt thermal barrier can absorb rainwater that then drains out through a network of holes in the bottom of the frame. Not all the water drains because the basalt board is fibrous and will absorb water. It needs to have a chance to dry out every few months to avoid an algae appearance on the surface.

Hard rubber feet keep the aluminum tray 3/4" above the deck and are strong enough to support the weight of your fire pit as well as a stack of hardwood logs up to 150 lbs. If we know what fire pit you will be using and know its dimensions and where its legs are, we can place the hard rubber feet under the DeckProtect frame strategically to support weight up to three hundred pounds.

DeckProtect is not heavy. It weighs only 8 to 19 lbs., depending upon the size. This means it is not difficult to pick up and store in the garage when it is not in use.

Fire Pit Heat Radiation

There are several variables affecting the intensity of the heat reaching the surface of your deck, including ambient temperature, size of the fire, duration of the burn, and height of the fire pit. Even whether or not there is a little breeze can affect the temperature under the fire pit. In some cases the damage to your decking may be minimal; in other cases, the damage could be substantial.
Fire pit heat on a deck illustration
The vinyl or polyethylene cap surface of composite decking starts to degrade and melt at temperatures as low as 170 degrees Fahrenheit.
Best store for deck safe fire pits
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