cart Shopping Cart SHOPPING CART
FREE NZ 
 Wide Delivery
icon delivery
 
Unconditionally Guaranteed to Work icon check
 
Moss Lichen Removal - Bio-Shield
main product photo

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.

btn more

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
GHMV paving before Bio-Shield 610420
GHMV paving after Bio-Shield 610420 1

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

 
icon fast 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.

 
 
icon no water
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.
 
icon costeffective
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.
 
icon safe family
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

 
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
home product

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
 
Email*
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. 
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