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TECHNICAL BULLETIN

Cleaning James Hardie

Primed and

ColorPlus

Technology Siding

NOVEMBER 2018

#20

This cleaning instruction applies to all James Hardie

products, including factory-primed products and ColorPlus

Technology.

Always follow the instructions and precautions outlined in the James Hardie ColorPlus

Technology literature that was supplied with the product and the

information that is available on the James Hardie website (www.jameshardie.com), including James Hardie ColorPlus Technology instructions and precautions.

The extent and nature of the maintenance required will depend on the geographical location, the exposure of the building and whether your product is

factory-primed or ColorPlus product. Cleaning, as needed, is recommended to remove dirt, dust, chalking, oil, grease, organic contaminants, or mold that may

build up on the product surface over time. Dust from cutting and construction dust should be removed IMMEDIATELY upon installation (refer to the cleaning

instruction in the table below). During cleaning, always wear appropriate protection (gloves and eyewear) and shield any landscaping or vegetation.

Surface cleaning recommendation is given below for speciﬁc product conditions. (Please note that damage to siding arising from improper cleaning or

maintenance may not be covered by the James Hardie warranty).

RECOMMENDATION

CONSTRUCTION/CUTTING/

EXISTING DIRT AND CHALK

OIL, GREASE OR OTHER

ORGANIC CONTAMINANTS

MOLD AND MILDEW

TOOLS

Soft cloth, soft all paint poly brush or chip brush

or horsehair bench brush, garden hose. (Do not

use hard brush (for example, scrub brush or an

abrasive scrub sponge) that could damage the

ﬁnish or siding.

Soft cloth and garden hose. Soft cloth or soft

sponge and garden

hose.

SOLUTION

Water Mild liquid dishwashing soap

(Dawn

, Ivory

, or Joy

) and

water. Do not use any harsh

cleaning chemicals.

Mildew cleaners

(Jomax

, Mildew

Check

, Mold Armor

)

and water.

METHOD

1. If using a brush, brush the product surface

dust, dirt or chalk, then rinse the area with a

garden hose.

2. If using a soft cloth, wet the cloth then wipe the

area until clean and rinse the area with clean

water. Rinse the cloth frequently.

1. Use soft cloth wetted with

soapy water to clean the area.

Rinse the cloth frequently.

2. Use a garden hose to rinse the

area.

1. Follow the mildew

cleaner instruction.

2. Lightly scrub the area

with mildew.

3. Use garden hose to

rinse the area.

SOFT ALL PAINT BRUSH CHIP BRUSHHORSEHAIR BRUSH SIDING BRUSH

Summary of content (2 pages)

PAGE 1
Cleaning James Hardie® Primed and ColorPlus®Technology Siding TECHNICAL BULLETIN #20 NOVEMBER 2018 This cleaning instruction applies to all James Hardie® products, including factory-primed products and ColorPlus® Technology. Always follow the instructions and precautions outlined in the James Hardie ColorPlus® Technology literature that was supplied with the product and the information that is available on the James Hardie website (www.jameshardie.
PAGE 2
#20 It is always suggested to clean a small section at a time. Start from the top and work your way down to prevent dripping or streaking onto the cleaned area. Gently clean the siding with the soft brush or wet soft cloth in a side to side motion in the direction of the plank siding. If cleaning panel, direction of the siding is up and down. Do not push soft brush or wet cloth too hard against product surface.