COLOURTREE Mastiff Artificial Grass Carpet vs TrafficMaster Emerald Green Precut Turf Artificial Grass Rug: which is safer?

TrafficMaster Emerald Green Precut Turf Artificial Grass Rug is the clear pick. COLOURTREE Mastiff Artificial Grass Carpet carries a failing PFAS grade, and we never recommend buying a failing product.

GlobalTex

COLOURTREE Mastiff Artificial Grass Carpet

PFAS grade

F 30/100

Overall grade

F 0/100

Verdict

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Hazard flags

⚑ 5

Material

polyethylene grass fibers with unspecified backing/adhesive coatings

Confidence

35%

PossibleFlame retardants (unconfirmed)

LikelyVOC off-gassing from adhesives and backing

ReportedBacking material degradation and leachables

Why this grade

Our pick

Sportmaster

TrafficMaster Emerald Green Precut Turf Artificial Grass Rug

PFAS grade

C 75/100

Overall grade

F 63/100

Verdict

Buy with care

Hazard flags

⚑ 3

Material

polypropylene turf backing, polyethylene grass fibers

Confidence

62%

PossibleMicroplastic shedding from fiber degradation

PossibleBacking adhesive or coating leachables

PossibleOdor and volatile emissions from manufacturing

Why this gradeBuy

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More artificial turf & grass: see the full ranking