39Poor

Does Atsko outdoor furniture cushion protectants have PFAS?

We graded 8 Atsko outdoor furniture cushion protectants products, averaging Poor (39/100). 1 of them grades Good or better. Against the other 48 outdoor furniture cushion protectants brands we grade, where the middle brand sits at 35/100, Atsko is about typical, scoring above 60% of them.

PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.

Atsko outdoor furniture cushion protectants worth buying Good or better, best-graded first

Atsko Zero UV Killer Spray

Atsko

Zero UV Killer Spray

UV-absorbing liquid spray (aqueous/solvent formulation)

PFAS Grade75Excellent
Overall Grade45Poor
⚠️

Volatile organic compounds (VOCs) and solvent exposure

Spray-applied formulations in this category typically emit significant VOCs during…

20
🏷️

Fragrance allergens and undisclosed additives

Many fabric treatment sprays include fragrance to mask solvent odor; these compounds can…

70
⚠️

Skin and eye contact irritation

Spray application carries inherent risk of overspray or splashing onto skin or eyes…

70
♾️

PFAS

Water-resistant and UV-protective spray formulations in the furniture treatment category…

70

UV protection spray; PFAS risk remains unclear without ingredient details.

Starting grade for this product type

Graded and flagged Poor and Bad, we’d swap these

Atsko 8 oz. Sno-Seal

Atsko

8 oz. Sno-Seal

Wax-based waterproof treatment

PFAS Grade55Good
Overall Grade23Bad
⚠️

Volatile organic compounds (VOCs) from solvents

Wax-based waterproofing treatments typically contain mineral spirits, toluene, or other…

20
🔥

Flame retardants

Wax-based treatments do not inherently require flame retardant additives, but if Atsko…

70
💨

Off-gassing or residual solvent exposure post-application

Users of wax-based treatments commonly report odor and mild irritation after application…

45

Wax treatment likely lower risk than fluorinated alternatives, history unclear.

Starting grade for this product type

ATSKO Water-Guard Extreme Waterproofing Spray

Atsko

Water-Guard Extreme Waterproofing Spray

proprietary waterproofing spray formulation, unspecified

PFAS Grade30Poor
Overall Grade0Bad
⚠️

Volatile Organic Compounds (VOCs) and solvent emissions

Spray-applied waterproofing formulations typically contain hydrocarbon or solvent…

20
💨

Respiratory irritation from aerosol inhalation

Spray waterproofing products commonly trigger coughing, throat irritation, and breathing…

45
⚠️

Skin and eye contact irritation

Undisclosed chemical formulations in waterproofing sprays can cause dermatitis, eye…

70
💨

Persistent off-gassing into indoor air

Fluorochemical and solvent-based waterproofing sprays may continue releasing VOCs and…

70

Wait for better formula transparency.

Waterproof or stain-proof treatment

ATSKO SILICONE WATER-GUARD

Atsko

SILICONE WATER-GUARD

silicone-based water repellent coating

PFAS Grade30Poor
Overall Grade0Bad
⚠️

Volatile organic compounds (VOCs) from solvent carriers

Silicone water guards require hydrocarbon or alcohol solvents to apply; these off-gas…

20
🎨

Heavy metals

Silicone polymers may include tin, platinum, or other catalytic metals in trace amounts…

70
🏷️

PFAS

Atsko does not provide full ingredient transparency or PFAS certification. Given the…

45

Wait. Silicone water guard lacks PFAS transparency.

Waterproof or stain-proof treatment

Atsko U-V Block Sun Protection Fabric Treatment

Atsko

U-V Block Sun Protection Fabric Treatment

UV-blocking fabric treatment, formulation undisclosed

PFAS Grade30Poor
Overall Grade14Bad
💨

Volatile organic compounds (VOCs) / solvent inhalation

The carrier solvent for this treatment is not identified on available labeling. Fabric…

70
⛏️

Heavy metals

If this product uses mineral UV absorbers like titanium dioxide or zinc oxide, those are…

70
⚠️

Skin or eye irritation from residual treatment

If fabric is not fully dried or rinsed post-treatment, residual solvent or UV-blocking…

70

Fabric degradation or discoloration over time

Some UV-blocking treatments can cause yellowing, stiffening, or weakening of synthetic…

70

Wait until the brand confirms PFAS status or publishes third-party testing.

Waterproof or stain-proof treatment

Atsko Water-Guard Extreme

Atsko

Water-Guard Extreme

Proprietary waterproof treatment on furniture fabrics

PFAS Grade30Poor
Overall Grade18Bad
♾️

PFAS

Proprietary formula is undisclosed; fluorochemicals are industry standard in…

70
⚠️

Volatile organic compounds (VOCs) from treatment application

Any sprayed or applied textile finish may release VOCs during curing. Atsko provides no…

70
🫧

Coating degradation and microparticle shedding

water-repellent coating treatments degrade with use and washing; no public data on…

70

Wait for better transparency or independent testing results.

Waterproof or stain-proof treatment

Atsko Water-guard Extreme Aerosol Pack of 1

Atsko

Water-guard Extreme Aerosol Pack of 1

Waterproofing treatment (aerosol spray formulation)

PFAS Grade30Poor
Overall Grade0Bad
⚠️

Volatile Organic Compounds (VOCs) from aerosol propellant and solvent

Aerosol spray formulations release hydrocarbon propellants and carrier solvents that are…

20
💨

Inhalation exposure during application

Aerosol waterproofing sprays carry documented respiratory risk if used indoors without…

45

Coating degradation and reapplication frequency

All water-repellent coating coatings, fluorinated or not, degrade with washing and…

70
🏷️

Lack of safety data sheet and ingredient transparency

Atsko does not publish a Safety Data Sheet (SDS) or ingredient list readily available to…

45

This aerosol likely contains PFAS; the brand discloses nothing.

Waterproof or stain-proof treatment

Atsko Silicone Water-Guard Aerosol 4.4 oz.

Atsko

Silicone Water-Guard Aerosol 4.4 oz.

Silicone-based water-repellent aerosol

PFAS Grade30Poor
Overall Grade0Bad
💨

Volatile organic compounds (VOCs) and propellant inhalation

Aerosol formulations release propellants and solvents upon spray; Atsko does not disclose…

20
🏷️

Respiratory and skin sensitization from fragrance or undisclosed co-solvents

Atsko does not list fragrance or co-solvent ingredients publicly. Aerosol exposure to any…

70

Coating degradation and re-application frequency

Silicone water guards typically degrade faster than fluorinated alternatives, requiring…

45

Silicone water guards usually avoid PFAS, but Atsko says nothing.

Waterproof or stain-proof treatment

Better outdoor furniture cushion protectants from other brands

Graded higher than the Atsko average of 39.

Acadia Outdoor 61in Sofa Cushion

Acadia Outdoor 61in Sofa Cushion

Polyester cushion cover; likely acrylic or polyester-blend upholstery

PFAS Grade75Excellent
Overall Grade39Poor
♾️

PFAS

Limited concern

70
🍳

Volatile organic compounds (VOCs) from coating or dyes

Limited concern

70
🫧

Coating degradation and microplastic shedding

High concern

20
⚠️

Mildew and bacterial growth if moisture trapped

Moderate concern

45

Lower PFAS concern likely, but West Elm discloses nothing.

Starting grade for this product type

West Elm Acadia Lounge Chair Cushion

West Elm

Acadia Lounge Chair Cushion

Polyester upholstery cushion cover

PFAS Grade75Excellent
Overall Grade59Good
🎨

Heavy metals

Limited concern

70
💨

Formaldehyde / VOCs

Limited concern

70
🫧

Microplastic shedding from synthetic fibers

Limited concern

70

Lower concern cushion, but West Elm provides no PFAS transparency.

Starting grade for this product type

Westport Slim Outdoor 68in Sofa Cushion

West Elm

Westport Slim Outdoor 68in Sofa Cushion

Polyester/cotton blend cushion cover, no specified water or stain treatment

PFAS Grade75Excellent
Overall Grade49Poor
💨

Formaldehyde / VOCs

Limited concern

70
🫧

Microplastic shedding and degradation

Limited concern

70
⚠️

Mold and bacterial growth if waterlogged

High concern

20

Lower PFAS concern. Standard outdoor cushion with no reported treatments flagging risk.

Starting grade for this product type

See every Atsko product we grade on the Atsko brand page, or the full outdoor furniture cushion protectants ranking.