{"id":26884,"date":"2020-08-13T08:48:09","date_gmt":"2020-08-13T08:48:09","guid":{"rendered":"http:\/\/www.markstephensarchitects.com\/?p=26884"},"modified":"2020-08-13T08:48:09","modified_gmt":"2020-08-13T08:48:09","slug":"we-really-need-to-start-thinking-about-materials-cc-the_woodlouse-timmartelat-climateemergency","status":"publish","type":"post","link":"https:\/\/www.markstephensarchitects.com\/we-really-need-to-start-thinking-about-materials-cc-the_woodlouse-timmartelat-climateemergency\/","title":{"rendered":"We really need to start thinking about materials… cc @the_woodlouse @TimMartelAT #ClimateEmergency"},"content":{"rendered":"

Finally I’ve got round to starting to learn & use PHRibbon by Tim Martel<\/a> (a plug-in for PHPP that calculates Embodied carbon in a building).<\/p>\n

Why? Well, we really need to start thinking about materials more.<\/p>\n

The equation is really straightforward:<\/p>\n

Total embodied carbon of your building = Quantity of materials x Carbon Intensity of the materials <\/strong><\/p>\n

If we can either reduce the quantity of materials or the Carbon Intensity of the materials or do both – we are lowering the amount of CO2 being pushed into the atmosphere. If we can do this we can maybe have some chance against the climate emergency.<\/p>\n

So how can you find out the carbon intensity of a material? Ask the supplier for the Environmental Product Declaration (EPD). <\/p>\n

The bar chart below from John Butler<\/a> gives the embodied KgCO2\/m2 of insulation with same U value for a variety of different materials. The conclusion is that we really need to move away from petro-chemical based products towards more natural solutions:<\/p>\n

\"\"<\/a>

Image from John Butler – https:\/\/www.sustainablebuildconsultancy.com\/<\/p><\/div>\n

The software we’re now starting to use that plug-in to PHPP (The Passive House software) is PHRibbon from Tim Martel. It effectively takes the areas of the building from PHPP and the you allocate the building and construction materials; including types of windows etc… and the software calculates the Embodied CO2 – see the example below on a PHPP calculated house we recently completed. What’s interesting is that you can use this tool as part of the design process; investigate the difference in CO2 between PIR, EPS & wood fibre for example…:<\/p>\n

\"\"<\/p>\n

More on this to follow… hopefully big news to come on the work that we will be undertaking going into 2021 in a Covid-19 world!<\/p>\n","protected":false},"excerpt":{"rendered":"

Finally I’ve got round to starting to learn & use PHRibbon by Tim Martel (a plug-in for PHPP that calculates Embodied carbon in a …<\/p>\n","protected":false},"author":2,"featured_media":26886,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[2017,15,2025,1993,1995,2051,44,1519,53,62,64,1555,72,73,78,79,80,81,83,94,95],"tags":[341,2077,2078,703,956,958,2076],"jetpack_publicize_connections":[],"yoast_head":"\nWe really need to start thinking about materials... cc @the_woodlouse @TimMartelAT #ClimateEmergency - 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