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COVID-19 Update to Customers

Our Metropolitan Melbourne stores will remain open for Trade customers only. We encourage retail customers to use our Click & Deliver or Drive & Collect service. Customers in regional Victoria and other states can get the essentials that they need by shopping with us in-store or online. We continue to follow government advice, and thank our amazing team for all their hard work helping our customers.

Plan Ahead Plan ahead - Research online & make a list
Shop Smart Shop Smart - Download our product finder app to minimise time spent in store. Avoid shopping in groups
Physical Distancing Physical Distancing - Maintain 1.5m between yourself & others
Cashless Payment Cashless Payment - Use cashless payment to minimise contact.
Shop online Covid 19 Update
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  • Suitable for all panel lift garage doors
  • Patented products
  • Great acoustic and thermal performance.
  • 15 year guarantee
  • Proudly Australian made and owned

The Perfect Garage door insulation. Reflecta-GDI Plus™ is a breakthrough in protecting the insulation surface from oxidisation and corrosion.
The highly reflective garage door insulation is made up of two layers
of extra pure aluminium foil reflecting 97% of radiant heat.
Each layer of foil is heat laminated to a tough layer polyethylene
sandwiching air pockets for thermal insulation.
The lightweight yet tough construction of Reflecta-GDI Plus™
ensures hassle free DIY installation which is both cost effective and durable.

Up to 10% recycled materials used in the manufacturing process.

See product guides for all products

The warranty period is for 15 years from manufacture.
The GI Building Sciences warranty is for 15 years from manufacture subject to storage, transport and installation conditions.
GI Building Sciences also warranty against faulty manufacture or failure of their products for 15 years.
To claim against warranty, please contact GI Building Sciences direct on (07) 3200 6522
GI Building Sciences will bear all reasonable costs to the user for any valid claims on warranty, anywhere within Australia.
Warranties and guarantees from GI Building Sciences are in addition to other rights and remedies of the customer under law
Warranties and guarantees are conditional upon our products being used, stored, applied and installed as per the manufacturers specifications on each product as described in this website.

Delivered to Bunnings Stores Nation wide.

We will gladly assist with returns and exchanges of this product in accordance with our returns and exchanges policy

Returns policy

Shop wherever you are, whenever you want.

  • Buy products online from our wide range
  • Click & Collect your purchase in-store or we'll deliver it to you
  • Zip pay is now available to purchase products online

Visit our Shop Online page to learn more.