Installation Guide

16
specific carpet. Cushion thickness for commercial carpet installations
should not exceed ⅜ inch (10 mm).
Install separate carpet cushion in the longest continuous lengths possible, with
cushion seams placed at right angles to carpet seams, or offset at least six inches
(150 mm) to one side. Trim cushion flush with the inside contour of the tack strip
and securely fastened to the substrate using staples or nonflammable cushion
adhesive at all seams and around the perimeter of each room. With the exception
of fiber cushions, secure seams with appropriate vinyl-coated cloth cushion tape
per the carpet cushion manufacturer’s recommendations.
16.4 Seaming – The seaming method depends upon carpet construction and backing
type. Always follow manufacturer recommendations for seaming. Common
seaming methods include:
• hot-melt tape
• hand sewing
• tape and latex
16.5 Power Stretching – Power-stretch carpet following the eight step procedure
described in Figure 2. Firmly hook onto tack strip.