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Turn Compatible Paints & Stains Into Fire-Retardant Finishes

Dek Gard FRT Fire Retardant Additive for Paints & Stains

Fire Retardant Additive

Simple Mix-In Fire Protection

One 12 oz Bottle Treats Approximately One Gallon

Add the required amount of Dek Gard to your compatible paint or stain, mix thoroughly, then apply the coating according to its normal application requirements and current Dek Gard instructions.

Verify coating compatibility and current test documentation when Dek Gard is being specified to satisfy a code requirement.

Dek Gard FRT

Add Fire Protection to the Paint or Stain You Already Want to Use

Class A Exposure Tested CSFM WUI Standard 12 oz Treats 1 Gallon

$58.00 - $260.00

Dek Gard FRT mixes directly into compatible oil- or water-based stains and paints to add tested fire-retardant performance without forcing you to give up the color, character or finished appearance of your project.

Turn any finish into a powerful fire barrier with Dek Gard Wood Stain and Paint Fire Retardant Additive. This advanced, highly concentrated powder mixes seamlessly into water-based paints, stains, and clear sealers without altering their color or texture. Perfect for exterior decks, siding, and fences, its reactive intumescent technology builds a heavy-duty, weather-resistant shield against flame spread. Choose Dek Gard to secure verified, code-compliant wood fireproofing while preserving your chosen design aesthetic.

■ Tested to Class A Fire Rating
■ Meets CSFM 12-7A-4.8 Part B for the WUI Code
■ Easy to Apply
■ Mixes with Oil or Water Based Stains
■ Protect your Deck from hot embers, spilled BBQs, fireworks, etc.
■ Tested at a CSFM- and ICC-approved Testing Lab
■ Quantity Discounts Available For 5+ Bottles

  • Mixes with compatible oil- and water-based stains
  • Compatible with qualifying paints, including tested latex formulations
  • Designed to maintain the color of your selected coating
  • Ideal for decks, siding and other exterior wood structures

Dek Gard Wood Stain and Paint Fire Retardant Additive

Turn your favorite exterior or interior wood finishes into a high-performance fire barrier with Dek Gard Wood Stain and Paint Fire Retardant Additive. Engineered for professional applicators and DIYers alike, this advanced, highly concentrated powder blend mixes directly into your existing coatings to deliver certified flame retardancy without altering the final look of your project. It is the ultimate choice for enhancing the safety of outdoor decks, siding, fences, and structural timbers.

Why Use Dek Gard Additive?

Traditional fire retardants often leave a cloudy residue or restrict you to standard colors. Dek Gard changes the game. By blending seamlessly into your chosen topcoat, it ensures your wood grains remain beautiful while building a reactive shield against flame spread.

  • Broad Product Compatibility: Optimally formulated to mix easily into water-based, acrylic, and latex wood stains, sealers, clear coats, and exterior paints.

  • Reactive Intumescent Technology: When exposed to extreme heat or direct flame, the treated coating reacts chemically, producing a dense char layer that starves the fire of oxygen and slows thermal transfer to the wood.

  • Preserves Aesthetic Design: Dries completely clear in transparent stains and maintains exact color matching in solid paints—retaining your chosen exterior or interior design perfectly.

  • Weather & UV Resistant: Unlike surface-applied sprays that wash away, Dek Gard is locked inside the cured paint or stain film, providing long-lasting, heavy-duty defense against the elements.

Easy Application & Code Compliance

Simply pour the pre-measured Dek Gard concentrated additive into your paint or stain bucket, mix thoroughly with a mechanical drill paddle, and apply using a standard brush, roller, or airless sprayer. It helps treated lumber meet strict local building codes and fire marshal requirements for flame spread ratings.

Upgrade your finishes. Don’t compromise design for safety. Add Dek Gard Fire Retardant Additive to your next wood sealing project to secure verified, hidden protection.

Additional information

Weight N/A
Dimensions N/A
Container Size

12 ounce, 60 ounce

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Tested Performance

Class A exposure testing

WUI Applications

Exterior wood protection

Easy to Mix

Add directly to the coating

Finish Friendly

Preserve your chosen appearance

Fire Retardant Paint & Stain Additive

Fire Protection Without Replacing Your Favorite Finish

Dek Gard FRT works differently from a conventional stand-alone fire-retardant coating. Instead of covering your decorative finish, the additive is mixed directly into a compatible stain or paint, allowing the coating itself to become part of the fire-protection system.

Fire-Retardant Protection

Helps reduce ignition and flame propagation when used as part of a properly prepared and tested coating system.

Keep Your Chosen Finish

Designed to mix into compatible stains and paints without requiring a separate opaque fire-retardant coating over the surface.

Oil & Water-Based Options

Compatible with qualifying oil- and water-based stains and selected paint formulations, making it useful across many projects.

Ideal for Exterior Wood

A practical option for decks, siding, fences, pergolas, gazebos and other paintable or stainable wood surfaces.

Simple Mixing Ratio

One 12-ounce bottle is designed to treat approximately one gallon of compatible stain or paint.

pH-Balanced Formula

Formulated to avoid promoting corrosion of metallic fasteners when used according to manufacturer instructions.

Popular Applications

Designed for Wood Surfaces Where Embers and Flame Exposure Matter

Dek Gard is especially useful where you want to retain the look of a conventional paint or stain while adding a layer of fire-retardant protection.

01

Wood Decks

Add fire-retardant performance to compatible deck stains while retaining the appearance of the finished wood.

02

Exterior Siding

Improve the fire resistance of compatible stained or painted wood siding exposed to ember-producing wildfire conditions.

03

Fences

Treat compatible stain or paint used on wood fences and perimeter structures located near homes and buildings.

04

Pergolas

Add fire-retardant protection without giving up the decorative stain or paint finish selected for exposed wood structures.

05

Gazebos

A convenient fire-protection option for painted or stained gazebos and similar detached outdoor structures.

06

WUI Construction

Designed with wildfire-prone and Wildland-Urban Interface applications in mind where qualifying fire performance is required.

Easy Mix-In Formula

Add. Mix. Apply.

Dek Gard uses your compatible stain or paint as the carrier. Measure the correct amount of additive, blend it thoroughly into the coating and then apply the finish according to the applicable product and Dek Gard instructions.

  • 12 oz additive for approximately 1 gallon of coating
  • 60 oz size suitable for approximately 5 gallons
  • Mix thoroughly before and during application as required
  • Recoat when the underlying stain or coating requires renewal

12 OZ

Additive for approximately one gallon of compatible coating

60 OZ

Convenient size for approximately five gallons

Class A

Tested under a Class A burning-brand exposure

WUI

Meets CSFM 12-7A-4.8 Part B requirements

Technical Information

Know What You Are Mixing Before You Start

Paint and stain chemistry varies. When Dek Gard is being used for a code-driven project, verify that the selected coating and substrate match applicable manufacturer test documentation.

How to Use Dek Gard

Four Simple Steps From Additive to Finished Surface

Always start with a compatible coating and follow the instructions for both Dek Gard and the selected paint or stain.

1

Choose Your Finish

Select a compatible oil- or water-based stain or qualifying paint suitable for your substrate and exposure conditions.

2

Measure Dek Gard

Use approximately 12 ounces of Dek Gard for each gallon of compatible coating unless current instructions specify otherwise.

3

Mix Thoroughly

Blend the additive evenly throughout the paint or stain before beginning application.

4

Apply & Maintain

Apply the treated coating normally and renew the system whenever the underlying stain or paint requires maintenance.

Wildland-Urban Interface Protection

Built With Ember Exposure in Mind

Dek Gard was developed for wood structures exposed to common ignition hazards such as wildfire embers and burning brands. Manufacturer documentation states that the system meets CSFM 12-7A-4.8 Part B for WUI applications when used within the tested configuration. Always verify the exact assembly required by your local authority having jurisdiction.

Frequently Asked Questions

Dek Gard FAQ

Common questions about mixing and using Dek Gard fire retardant additive.

What is Dek Gard?
Dek Gard FRT is a fire-retardant additive designed to be mixed into compatible paints and stains before application. It allows the decorative coating to serve as the carrier for the fire-retardant treatment.
The manufacturer specifies approximately one 12-ounce bottle of Dek Gard per gallon of compatible stain or paint. A 60-ounce container is available for approximately five gallons.
Yes. Oil-based stain compatibility is one of Dek Gard's primary features. It is also designed for compatible water-based stains.
Dek Gard documentation identifies compatibility with qualifying paints in addition to stains, including tested latex paint applications. Because paint chemistry varies, confirm compatibility and applicable testing when the project depends on a specific fire classification.
Manufacturer information states that Dek Gard is designed not to change the color of compatible stain or paint when mixed according to the recommended ratio.
Yes. Exterior decks are a primary application for Dek Gard. The product is intended to add fire-retardant performance to compatible coatings used on decks and other exterior wood structures.
Manufacturer documentation states that Dek Gard meets CSFM 12-7A-4.8 Part B requirements for the tested WUI configuration and was evaluated using a Class A exposure. Project acceptance should still be confirmed with the applicable authority having jurisdiction.
Dek Gard is carried by the stain or paint. When that finish has weathered and requires normal recoating, the surface should be treated again using Dek Gard in the replacement coating.
The manufacturer describes Dek Gard as pH balanced and formulated so that it does not promote corrosion or failure of metallic fasteners when used as directed.
Yes. A 60-ounce size is available for approximately five gallons of compatible paint or stain. Thorough mixing is important to distribute the additive evenly through the batch.

Project Pricing

Need Dek Gard for a Larger Project?

Tell us what you are coating, how many gallons of paint or stain you plan to use and whether the project has a specific fire-code requirement. We can help determine the quantity of additive needed.

  • 12 oz and 60 oz package options
  • Commercial quantity assistance
  • Paint and stain application guidance
  • Fire-test documentation assistance

Request Dek Gard Quantity

Tell us about your coating and project.

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Product information on this page is provided for general reference only. Paint and stain compatibility, fire-test performance, mixing ratios, substrate requirements, application procedures and code acceptance must be verified against current Dek Gard manufacturer documentation, applicable test reports, project specifications and requirements of the authority having jurisdiction before installation.

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Dek Gard FRT

Paint & stain fire retardant additive

Quantity Esitmate