True Zero Carbon Challenge FAQs (16)

Calculating UPVC windows embodied carbon

Created by Vicki Marshall, Modified on Tue, 24 Feb at 11:20 AM by Vicki Marshall
TZCC Social Media Hashtags and Mentions

Created by Vicki Marshall, Modified on Mon, 9 Feb at 10:01 AM by Vicki Marshall
What is the assumed foundation depth 2026 TZCC?

Created by Vicki Marshall, Modified on Thu, 29 Jan at 1:33 PM by Vicki Marshall
Are we only able to use the materials in the EPiC Database?

Created by Vicki Marshall, Modified on Fri, 23 Jan at 11:56 AM by Vicki Marshall
Should nails, hinges, flanges, or any small, pieced hardware need to be included in carbon calculations?

Created by Vicki Marshall, Modified on Fri, 23 Jan at 11:53 AM by Vicki Marshall
How to incorporate EPD's into the True Zero Spreadsheet

Created by Vicki Marshall, Modified on Tue, 2 Dec, 2025 at 9:32 AM by Vicki Marshall
TZCC 2026: Judging Criteria

Created by Vicki Marshall, Modified on Fri, 8 Aug, 2025 at 4:52 PM by Vicki Marshall
TZCC Material Calculations - sub-floor and slab edge insulation in EPiC database

Created by Vicki Marshall, Modified on Mon, 2 Sep, 2024 at 11:41 AM by Vicki Marshall
TZCC Materials Calculations - Glasswool Bulk Insulation in EPiC Database

Created by Vicki Marshall, Modified on Mon, 2 Sep, 2024 at 11:36 AM by Vicki Marshall
TZCC Material Calculations - EPiC database

Created by Vicki Marshall, Modified on Mon, 2 Sep, 2024 at 11:31 AM by Vicki Marshall