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Romus PVC Cold-Weld Seam Sealer — 44 g
Romus

Romus PVC Cold-Weld Seam Sealer

44 g

Liquid seam sealer that fuses vinyl seams and cut edges for a clean, tight finish.

$36.75/ tube
Order-in from our supplier’s Ontario warehouse — usually 2–4 business days

Free pickup in Markham once it arrives (2–4 business days) · GTA delivery $140

Works with
Vinyl Flooring

Specs

CategoryAdhesives & Primers
Unit sold44 g
AvailabilityOrder-in from our supplier’s Ontario warehouse — usually 2–4 business days
Floor typesVinyl Flooring
UPC3486010956501
CodeRO95650

How to use Romus PVC Cold-Weld Seam Sealer

  1. 1Make sure the subfloor is clean, dry, flat and free of dust, old adhesive, paint or sealers before you open the pail.
  2. 2Spread with the trowel notch size printed on the pail or bucket label for your specific flooring type — that’s set by the manufacturer for a reason and shouldn’t be guessed.
  3. 3Follow the open time and set method (pressure-sensitive vs. wet-set) on the label — setting your flooring too early or too late is the single most common glue-down install mistake.
  4. 4Roll the finished floor with a floor roller to fully seat it and push out trapped air.
  5. 5Hold off on heavy furniture and appliances until the adhesive has fully cured per the label’s cure schedule.

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Henry 647 PlumPro Roll-Apply Vinyl Flooring Adhesive
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Henry 422 Fortify Wet-Set Vinyl-Backed Flooring Adhesive
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FAQ

Do I need a primer before using Romus Romus PVC Cold-Weld Seam Sealer (44 g)?

On bare or porous concrete, yes — priming first lets the adhesive bond evenly instead of soaking in unevenly. On plywood or an already-sealed subfloor, a primer usually isn’t required. Check our Adhesives & Primers page for the matching primer.

Pressure-sensitive or wet-set — which method should I use?

Most modern flooring adhesives, including this one, can be used either way. Pressure-sensitive means you let the glue flash off until it’s tacky/clear before setting the flooring — more forgiving for DIY. Wet-set means you set the flooring directly into the wet adhesive — faster, but less room for repositioning. Follow the open-time window on the pail either way.

Not sure which product you need?

Use our supplies calculator to get a full kit recommendation for your floor type and subfloor, or ask us directly.

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