Western Red Cedar
(Thuja plicata)

The beauty of timber

A carbon negative architectural design solution, whilst embracing biophilia

More than just good looks. Western Red Cedar is one of the world’s most unique softwood species, renowned for its natural beauty and durability. Our range of innovative profiles offers unbeatable style, streamlined simplicity and incredible functionality. Cedar Sales offers a range of ceiling and wall designs that are engineer-approved to meet various acoustic ratings. Western Red Cedar’s open cellular structure helps to absorb and dissipate sound energy, making it effective in confining noise. In external applications, Western Red Cedar’s sound deflection capabilities can be improved by adding a metal resilient rail. The use of thicker cladding profiles is also recommended.


Passed down through generations, is our focus on the sustainable supply of PEFC™ and FSC™certified timber. Modinex hand selects the highest grade logs from our supply partners, which are then sawn in close proximity to the sustainably managed forest to reduce transport emission. They are then further processed in our Queensland facilities new next generation energy efficient machinery.

Our strong partnership with forest owners in Australian & Canada for over 40 years, ensures a consistent supply of high quality PEFC™ certified timber. As part of Defining a Higher Standard® of forest stewardship our supply partners are continuing to grow mutually beneficial relationships with First Nations.  Since 2015, Modinex has held PEFC™ Chain of Custody certification which has been maintained for 8 years after passing regular audits. Chair of custody is essential in ensuring the responsible and sustainable harvesting and processing of timber and providing transparency to our clients.

Technical Facts

Botanical Name: Thuja plicata
Species Category: Softwood
Sustainable Certification Available: PEFC & Global Greentag
Suitable for external use: Yes
Dry Density (Seasoned): 350kg/m3
Janka Dry Hardness: 1.5kN
Durability Above Ground Class: Class 2
Indoor Group Fire Rating (AS 5637.1): Group 3
Indoor Group Fire Rating
(If Fireshield is applied):
Group 1
BAL Fire Rating (AS 15030.8.2): NA