Clean up moss, mould and lichen
on any exterior surface with
Bio-Shield® and Jet-Stream® Applicator.
No scrubbing^*. No water blasting.

Save up to 71% over comparable cleaners.

BIO-SHIELD®
THE BEST SOLUTION FOR MOSS, MOULD & LICHEN REMOVAL
PROVEN AND TRUSTED FOR OVER 30 YEARS

Bio-Shield® surface treatment has been proven in over 30 years of use in a demanding commercial environment to remove moss, mould, algae and lichen.

Use Bio-Shield® for easy cleaning of all exterior surfaces - from concrete to coloursteel, roofs to driveways - without damaging the surface being treated.

Bio-Shield® not only cleans a surface, it will also stay free of moss, mould, algae and lichen
for an extended period keeping your domestic, commercial or industrial property
clean and looking good.

Remove moss, mould and lichen without the hard work

DIY or request a quote for our application service

READ MORE ABOUT BIO-SHIELD

We don't just sell Bio-Shield®, We Use It.

For over 30 years - in all conditions, on any surface
Bio-Shield® is proven to work.

"We have built our reputation on it”

WHY YOU SHOULD USE BIO-SHIELD® FOR EXTERIOR CLEANING

Fast cleaning & long lasting residual effect

Bio-Shield can clean up concrete in as little as 3 to 4 months and keep it clean for up to 2 years.
Regular treatments with Bio-Shield at the first sign of re-growth will clean up the surface within weeks in most cases.

No water blasting or scrubbing required

Easy DIY application with the Jet-Stream® applicator or a garden sprayer. The powerful yet gentle action of Bio-Shield will effect a complete clean up with no water blasting or scrubbing required on all surfaces except heavily infested timber^*. Just apply the solution and the jobs done.

Cost effective - as little as 94c per Diluted Litre

A 5 Litre of Bio-Shield Concentrate works out to just 94 cents per diluted litre (Read More) including FREE delivery NZ wide.
Why pay up to $3.30?
Save up to 71% over the diluted litre cost of comparable outdoor cleaners like Wet and Forget.

Safe for family, pets & environment

Bio-Shield is fully biodegradable to tough European Standards
It contains no chlorine bleach, acids or phosphates
With some simple precautions it is safe to use around family, pets and plants

BIO-SHIELD® - SURFACE TREATMENT AND CLEANER

5L Bio-Shield Concentrate - Makes 105 Litres

$99.00
incl GST

2 x 5L Bio-Shield� Concentrate - Makes 210 Litres

$189.00
incl GST

20L Bio-Shield Concentrate - Makes 420 Litres

$359.00
incl GST

Jet-Stream� Applicator with 2.5L Bio-Shield� Concentrate - Makes 52 Litres

$69.00
incl GST

Concrete driveway and Monier tile roof after cleaning with Bio-Shield - 1220350

SAFE TO USE ON ALL EXTERIOR SURFACES

Roofs, all types
Asbestos
Astroturf
Asphalt
Bowling Greens
Bricks & paving
Caravans and awnings
Coloursteel
Concrete
Cowsheds
Decrabond
Driveways
Fibreglass
Fibrolite cladding
Glass Houses
Hinuera stone
Limestone
Marble
Oamaru stone
Outdoor furniture
Outdoor pots
Paintwork
Paths
Patios
Patio furniture
Pool surrounds
Shade sails
Tennis courts
Teak decks
Textured finishes
Tiles
Timber decks
Tombstones
Umbrellas
Vinyl cladding
Weatherboards

Buy Bio-Shield® now and get rid of that moss, mould and lichen!

Got a question or want to place an order by phone? - give us a call:

NZ 0800 800 127

AU 1800 236 810

SIGNUP FOR EMAIL

Discounts, special offers, new arrivals

ABOUT US

Roof Wash Ltd is a New Zealand owned company based in Auckland.
I have personally developed and used Bio-Shield for over 30 years to successfully remove moss, mould and lichen from just about every exterior surface on domestic, commercial and industrial properties.
The same high quality product is now available for DIY and commercial use on homes and businesses throughout New Zealand.
We are committed to supplying our customers the best
outdoor cleaning product and services at the best price.

READ MORE ABOUT US

CUSTOMER SERVICE - ADVICE - TELEPHONE ORDERS
7 Days - 7am to 7pm

NZ : 0800 800 127
AU : 1800 236 810

FAQs - Ask Andy^®
Instructions For Use

Clean up moss, mould and lichen on any exterior surface with Bio-Shield® and Jet-Stream® Applicator. No scrubbing*. No water blasting. Save up to 71% over comparable cleaners.

BIO-SHIELD® THE BEST SOLUTION FOR MOSS, MOULD & LICHEN REMOVAL PROVEN AND TRUSTED FOR OVER 30 YEARS