Raft slab/ Green Building & Sustainable Home Renovation Information & Advice

...slabimages courtesy of Legalett . Compacting gravel for under araftfoundation Insulatedslabforming systems Corner detail for insulatedslabforming system Skirt detail for frost protected shallow foundationslabforms Rebar detailing forslabfoundationsSlab-on-grade floors are oft...

...slabon grade FPSF footing on soil with a high water table to prevent frost heave, by first installing drainage below theslab. Relatedslabon grade foundation pages:Slab-on-grade technical guide Building a thickened edgeslabon grade with normal soil conditionsRaftslabs on poor soil conditions to avoid ...

...slabon grade construction step by step ,Raftslabs for building on soft soils , and anything else about sustainable green home construction in Ecohome's green building guide pages.

...raftslabon expansive soils or high water tables instead of aslabwith a thickened edge footing. Araftslabdistributes the weight evenly over the whole surface instead of resting on an edge-loaded footing, so the risk of differential settlement or shifting is greatly reduced. Araftslabrequires almost no excava...

...raftslabkits and have installed over 2 million square feet in North America. 2-inch air heated tubes © Legalett Heating with electricity but avoiding peak rates: An additional benefit that can be realized with any heated concrete floor (air, electric or hydronic), is that the floor...

...slab-on-grade waiting for vapour barrier installation © Ecohome Floatingslab/ Monolithicslab: The term floatingslabrefers to a two-stageslabconstruction, where footings are individually poured, and the centre floor of theslabis poured after footings have cured. The forms of a monolithicslabare design...

...slab-on-grade home and superior wall drying abilities means that this house will have a longer than average operational life. This will help balance the added 'carbon' investment in terms of the embodied energy of building materials. For our building envelope we will use Roxul mineral wool insulation, which has a hig...

...slab-on-grade ) that are heated with air rather than liquid. There are many advantages to air-heated radiant floors over hydronic radiant floors , but none greater than the ability to inject solar-heated air into the thermal battery which is the concreteslabfloor. Passive Solar air-heated radiant floorslabon gr...

Materials in a home that act as thermal mass are things like concrete, masonry, ceramic tiles, even a large volume of wood like timber frames. Intentionally adding greater amounts of thermal mass in a building can be an advantage or a disadvantage depending on a lot of factors, and there is no right answer as to wheth...

...slab-on-grade constructionSlab-on-Grade Construction is best if:Slabon grade polished concrete floor © Bala Structures Aslab地板是启动被动式太阳能住宅的一个极好的方式，因为你的整个地板表面由几英寸的热质量来吸收热量。Aslabis a great place to bury elec...

A resilient home for Sustainability Northern Quebec isn’t a place where one might expect to look for a model of resilience . It’s bone-chilling cold in the winter with 10,450 heating degree days per year (Fahrenheit degree-days, base 65°F); there isn’t all that much sunlight in the winter, and Quebec—let alone north...