16

Rayon: Rayon fabric should not be used because its use can lead to poor results. Rayon also mats badly in water.

Table 16 is a guide that can assist in the selection of a suitable roller. Table 16 Roller selection guide

Product standards do not exist in the paint roller industry, and quality varies greatly among manufacturers; table is based on experience with first-line, high-quality products.

Paint

Smooth metal

Surface blasted metal

Pitted and weathered metal

Aluminum

Enamel or semigloss alkyd

Enamel undercoat

Epoxy coatings

Urethane coatings

Latex (water-thinned) paint

Metal primers

Varnishes, all types

Roller cover key

Material

Nap length mm

mm

A

Dynel (modified acrylic)

6.4-9.5

1 3 4 - 8

9.5-19

3 3 8 - 4

25-32

1-11 4

B

Mohair

4.8-6.4

3 1 16 - 4

C

Dacron (polyester)

6.4-9.5

1 3 4 - 8

13

2

D

Lamb's wool pelt

6.4-9.5

1 3 4 - 8

13-19

2 - 4

25-32

1-11 4

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