Atsko · Outdoor Furniture Cushion Protectants
Atsko Water-guard Extreme Aerosol Pack of 1
This aerosol likely contains PFAS; the brand discloses nothing.
Atsko Water-guard Extreme aerosol spray waterproofs without a public ingredient list or PFAS statements. Historic waterproofing sprays routinely contained PFAS.
The better-graded swap
Arden Selections
ARDEN Elastic Deep Seat Cushion Cover 2-Pack
75/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Waterproofing treatment (aerosol spray formulation)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
Volatile Organic Compounds (VOCs) from aerosol propellant and solvent
Aerosol spray formulations release hydrocarbon propellants and carrier solvents that are respiratory irritants in enclosed spaces. Atsko does not disclose VOC content or specific propellant type on the label.
Inhalation exposure during application
Aerosol waterproofing sprays carry documented respiratory risk if used indoors without ventilation. OSHA and product safety guidance recommend outdoor-only application; no warning language prominent on Atsko label.
Coating degradation and reapplication frequency
All water-repellent coating coatings, fluorinated or not, degrade with washing and weathering. Frequent reapplication increases cumulative inhalation and environmental exposure; no durability data provided by Atsko.
Lack of safety data sheet and ingredient transparency
Atsko does not publish a Safety Data Sheet (SDS) or ingredient list readily available to consumers, making risk assessment and emergency response difficult. This is below industry best practice for hazardous aerosol products.
What’s reassuring
Flame retardants
No evidence that Atsko Water-guard Extreme contains added flame retardants beyond any incidental presence from PFAS chemistry, which is not inherently flame-retardant in this context.
Source, EPA ↗The full breakdown
What it's made of and why it matters
Atsko Water-guard Extreme is an aerosol spray formulation designed to impregnate fabrics and soft furnishings with water-repellent coating. The active ingredient is almost certainly a fluorinated compound (PFAS-class) based on industry standards for durable water repellency (water-repellent coating) in consumer products, though Atsko provides no ingredient list or safety data sheet on the product label. Aerosol delivery means you are inhaling propellant and any volatile organic compounds (VOCs) released during application, not just applying topical coating.
The brand's record and disclosure
Atsko is a niche outdoor gear treatment brand with a decades-long history but minimal transparency regarding chemical composition or PFAS content. No public environmental or safety commitments found; the company does not disclose whether formulations comply with emerging PFAS restrictions in the EU or state-level bans in the US. The aerosol format and lack of ingredient disclosure on the label are red flags for consumer safety accountability.
How it compares in its category
Most commercial waterproofing sprays for furniture and textiles rely on PFAS-based chemistry because fluorinated compounds are the most durable and water-repellent. Water-guard Extreme competes with branded products (Scotchgard, Nikwax) that at least publish safety data sheets and some environmental positioning. Non-fluorinated alternatives (wax, silicone) exist but offer shorter durability and are less convenient in spray format; they remain niche in the consumer market.
If you buy it
Apply only in a well-ventilated outdoor space or garage with active air exchange; avoid inhaling spray directly and do not apply near food, children, or pets. Test on an inconspicuous corner of the fabric first to check for discoloration or staining. Reapply annually or after heavy washing, as water-repellent coating coatings degrade over time. Wash treated textiles separately to limit PFAS transfer to household wastewater; do not incinerate treated fabric.
What we don’t know
- Basis
- Model estimate, 42% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Atsko has made none
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Outdoor Furniture Cushion Protectants
Acadia Outdoor 61in Sofa Cushion
Polyester cushion cover; likely acrylic or polyester-blend upholstery
PFAS
Limited concern
Volatile organic compounds (VOCs) from coating or dyes
Limited concern
Coating degradation and microplastic shedding
High concern
Mildew and bacterial growth if moisture trapped
Moderate concern
Lower PFAS concern likely, but West Elm discloses nothing.
⚠Starting grade for this product type
West Elm
Acadia Lounge Chair Cushion
Polyester upholstery cushion cover
Heavy metals
Limited concern
Formaldehyde / VOCs
Limited concern
Microplastic shedding from synthetic fibers
Limited concern
Lower concern cushion, but West Elm provides no PFAS transparency.
⚠Starting grade for this product type
West Elm
Westport Slim Outdoor 68in Sofa Cushion
Polyester/cotton blend cushion cover, no specified water or stain treatment
Formaldehyde / VOCs
Limited concern
Microplastic shedding and degradation
Limited concern
Mold and bacterial growth if waterlogged
High concern
Lower PFAS concern. Standard outdoor cushion with no reported treatments flagging risk.
⚠Starting grade for this product type
More outdoor furniture cushion protectants grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.