NZCB InHouse magazine June/July 2022

Page 63

TECH TIPS —

Salt smart Salt can be a real problem in areas not naturally washed by rain and rinsing of these areas with copious quantities of water is the best method of removing salt. Often water blasters leave much of the salt behind or force it up behind weatherboards or into other crevices which causes problems later on. Old chalky paint and bare timber in coastal areas can harbour salt deposits and accumulate them over the years. Salt needs to be washed away or it will stain through waterborne paints and may also attack nails.

Prevent salt problems by thorough washing with copious quantities of freshwater. Once salt has been painted over it cannot be removed and stains can only be blocked off by a coat of a solventborne paint. Most New Zealand cities are in areas rated severe or very severe corrosion zones. This means that contamination of buildings by salt spray from the sea is highly likely. Salt may accumulate in areas not washed by rain and can also be

left behind as a by-product of killing mould using sodium hypochlorite type bleaches. Salt will bleed through waterborne paints and cause staining. Fresh salt deposits may be left by strong off sea winds requiring daily attention. Stains can be sealed off using Resene Sureseal sealer. Resene Sureseal sealer is a pigmented, solventborne, alkaliresistant, penetrating sealer with the ability to penetrate and bond old decaying surfaces and make them suitable for painting. This lower odour formulation acts as a surface conditioner that also reduces bleeding of water stains and dries without the unwanted and strong solvent odours associated with traditional solventborne products. For more information on Resene Sureseal sealer visit https://www.resene.co.nz/archspec/datasheets/d42Sureseal-Sealer.pdf This tech tip was supplied by NZCB National Partners, Resene Paints Limited. Resene Paints have been making quality paints, wood stains, coatings and colours in New Zealand since 1946. For more information visit: www.resene.co.nz

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Articles inside

NZCB Affinity Partners

2min
page 70

IN THE MEDIA

31min
pages 66-69

Salt smart

1min
page 63

Installation tips to avoid sliding into trouble

1min
page 62

Winter temperatures are more critical than we think

2min
pages 60-61

Message from the AST Trust

1min
pages 56-57

NEWS BITES

5min
pages 58-59

Is TikTok good for business?

3min
page 50

Events Calendar

0
page 51

Preparing for winter

2min
page 48

Looking after the most important person – you

3min
pages 46-47

Overlapping duties – who’s responsible for what?

6min
pages 44-45

Maximising profit on charge-up jobs

5min
pages 42-43

Employee or contractor… are your working arrangements sound?

4min
pages 40-41

NZCB Apprentice Challenge Sponsored by ITM – Regional Competitions 2022

5min
pages 36-39

You should use determinations under the Building Act

7min
pages 34-35

GIB® Plasterboard supply update

5min
pages 30-31

Are you driving your business blindfolded?

3min
pages 32-33

Make your business more competitive with tech

4min
pages 28-29

Putting our partners in the spotlight

1min
pages 22-23

H1 Building Code updates

3min
pages 26-27

Scruffs clothing and footwear

1min
pages 20-21

Message from our Acting Chief Executive

5min
pages 8-9

What is a 10-year building guarantee?

5min
pages 18-19

The benefits of using a single insurance broker

3min
pages 14-15

NZCB’s new Chief Executive Officer

1min
page 7

Message from the NZCB Board

3min
page 4

Board Bites

3min
page 6

Notice of NZCB Annual General Meeting

1min
page 5
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