Table II – Trowel Size Minimum Guidelines

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Table II – Trowel Size Minimum Guidelines

 

 

Floor Covering / Substrate

Applicator Size

Approx. Spread Rate feet² / gal.

Approx. Spread Rate yards² / gal.

Broadloom Carpet: rough back, woven, double stick carpet to cushion

1/8” x 1/8” x 1/8” U or Square notch

(3.2mm x 3.2mm x 3.2mm)

50 – 90

6 – 10

1/8” x 1/8” x 1/16” U notch

(3.2mm x 3.2mm x 1.6mm)

45 – 75

5 – 8

Broadloom Carpet: Action Bac®, unitary back, jute

1/8” x 1/8” x 1/8” V notch

(3.2mm x 3.2mm x 3.2mm)

90 – 110

10 – 12

 

1/8” x 1/8” x 1/16” V notch

(3.2mm x 3.2mm x 1.6mm)

70 – 90

8 – 10

Broadloom Carpet: smooth back, attached cushion, needle punched, cove base

3/32” x 3/32” x 3/32” V notch

(2.4mm x 2.4mm x 2.4mm)

90 – 135

10 – 15

Vinyl back broadloom carpet, carpet pad to floor double stick, cork tile and underlay

1/16” x 1/16” x 1/16” Sq. notch

(1.6mm x 1.6mm x 1.6mm)

160 – 180

18 – 20

Vinyl back broadloom carpet, carpet pad to floor double stick, cork tile and underlay

1/16” x 1/16” x 1/16” U notch

(1.6mm x 1.6mm x 1.6mm)

160 – 180

18 – 20

Carpet  tile

3/8” Nap Paint Roller (9.5mm)

3/4”  Nap Paint Roller (19.0mm)

350 – 400

270 – 360

35 – 45

30 – 40

 

Note:   Above dimensions are given as width x depth x spacing. Spread rates vary with texture and porosity of the substrate. Trowels should be held at a consistent 45–60° angle to apply adhesive. Examine notches regularly for wear.