Masterline 550 Oil-Based Polyurethane Floor Finish, Satin, 5 Gal
OIL-BASED · SATIN · 5 GAL
Masterline 550 Polyurethane is an oil-based urethane alkyd floor finish from the makers of DuraSeal, aimed at large-volume jobs such as meeting halls, multi-unit housing and other commercial floors. It goes on in 2–3 coats with a screening between coats. This is the Satin sheen in the 5-gallon pail.
- Type: Oil-based urethane alkyd floor finish
- Sheen: Satin (line offered in gloss, semi-gloss and satin)
- Size: 5 Gal
- Coverage: 500–600 sq ft per gallon
- Recoat: 8–10 hours; screen with a No. 100 grit screen between coats
- Coats: 2–3
- Traffic: Light traffic overnight; furniture after 48 hours; rugs after 30 days
- VOC: Under 550 g/L
- Applicators: Roller, T-bar, lambswool, pad or brush
- Cleanup: Mineral spirits or paint thinner
Specifications from the Masterline 550 Polyurethane product page.
Masterline 550 polyurethane Satin: common questions
Where can I buy Masterline 550 polyurethane Satin near Atlanta or Nashville?
NDM Floors Distributor carries Masterline 550 polyurethane Satin at our three stores: Stockbridge, GA (south metro Atlanta, 470-507-0711), Marietta, GA (north metro Atlanta, 770-627-4313) and Brentwood, TN (Nashville area, 629-216-1555). Stock varies by store, so call ahead to confirm availability and get a quote.
How long between coats of Masterline 550 Polyurethane?
Masterline 550 Polyurethane needs 8–10 hours between coats, with a No. 100 grit screening before the next coat. Light traffic is fine overnight, furniture after 48 hours and rugs after 30 days.
How much does a 5-gallon pail of Masterline 550 Polyurethane cover?
Masterline 550 Polyurethane covers 500–600 sq ft per gallon, so a 5-gallon pail covers roughly 2,500–3,000 sq ft per coat. Plan on 2–3 coats.
Is Masterline polyurethane oil-based or water-based?
Masterline 550 Polyurethane is oil-based: a urethane alkyd with under 550 g/L VOC that cleans up with mineral spirits. Masterline also makes a separate water-based polyurethane.
Can Masterline 550 Polyurethane go over DuraSeal Quick Coat stain?
Yes. DuraSeal lists its Quick Coat stain as compatible with all DuraSeal and Masterline water-based and oil-based finish systems.
See more polyurethane floor finishes at NDM Floors Distributor.



