slab-grade-step-step / Green Building & Sustainable Home Renovation Information & Advice

Slab-On-Grade Construction - Technical Guide   Deciding to build your home with a slab-on-grade foundation instead of a conventional basement or raised crawlspace foundation can greatly reduce your environmental impact during construction, and has the potential to offer significant financial savings as well. By replaci...

Slab on Grade foundation, detail design; the basics There are many different soil conditions and corresponding slab designs. This page is about how to build a thickened edge concrete slab on grade FPSF footing on soil with a high water table to prevent frost heave, by first installing drainage below the slab.  Related ...

The new BC Energy Step Code - The details The BC Energy Step Code is a new provincial standard intended to provide an incremental approach to achieving more energy-efficient buildings that will help the province meet its goal of having all new buildings be Net Zero Energy ready by the year 2032. The City of Vancouver S...

Lasagna gardening - what is it? The easiest way to turn a backyard lawn into an organic food-producing garden is by building a lasagna garden, as there is no digging required. The first thing we will clear up for any rookie gardeners; we aren’t planting noodle trees where we will be harvesting penne and rigatoni. Not e...

WATCH MORE sustainable building VIDEOS Once a decision has been made to choose between a crawlspace or a slab foundation , you need to know how to finish the edge off durably. Typically the exterior edge of a slab on grade is made of EPS foam and can be parged. Having used rigid Rockwool panels meant we needed an addi...

Why fix a leaky toilet flapper? Another of the jobs that sat on my Honey-Do-List for quite a while longer than I care to admit has been to fix the leaking toilet flapper in the bathroom at the cabin - made worse by us being off grid and only having a relatively small amount of water available in our outside rainwater c...

How and why to claim the Canada greener homes grant Buildings, including homes, account for 18% of Canada’s greenhouse gas emissions. With the new greener homes grant the Government wants to encourage Canadians to make homes more energy-efficient so they can be more comfortable and more affordable to run, while also su...

The BRE Innovation Park (Building Research Establishment) that lies 15km north of Toronto will soon build a new series of houses in which emerging building products and technologies can be researched and enhanced. The Sustainable Technologies Evaluation Program (STEP) is run out of The Living City Campus at Kortright, ...

There is some debate in performance building circles, particularly in the Passive House community as to whether or not you can add enough insulation below a concrete floor to eliminate the need for heating it. We have been on the fence about this and leaned to both sides at different times, but it seems we have now fa...

Is an insulated slab on grade the best foundation choice? Or is a basement better? Traditionally, home construction often starts with a concrete basement foundation - But is that the best choice?  The first factors to consider when designing the foundation system for a home are lot size and soil conditions. When space ...

A frost protected shallow foundation (FPSF) is an interesting and well-proven alternative to deeper, more-costly foundations in cold regions with seasonal ground freezing and the potential for frost heave - and the simplest way to build a solid and dependable foundation is to use frost protected shallow foundation (FPS...