build-without-basement / Green Building & Sustainable Home Renovation Information & Advice

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

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...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

That musty, moldy basement smell that we have come to accept as unavoidable, is actually quite avoidable. The solution is really quite simple - stop building below grade with walls that were designed for above grade and your basement won't smell like old gym socks and potentially make you ill with mold spores. As a fre...

Basement Design for walls prevents mold & midlew when renovating & finishing
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

Basements don't have to be moldy, that is the first thing to realize. It's easy to build a basement better, or to finish an existing basement correctly, we just need to realize that they behave differently than above grade walls and to build accordingly to effectively deal with the humidity found underground - and by d...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

The most common practices currently employed for finishing basement interiors as living space rarely account for the impacts that come with the added moisture load below grade, or the amount of heat that will be lost to the ground. Existing basements are typically under-insulated or not insulated at all, and if they ar...

Insulating a Slab on grade for a Passive Solar LEED Home with Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

Insulating below slab-on-grade foundations Why insulate under a slab on grade foundation? For comfort, and to save money, that's why! In many areas Building Code has fallen behind common sense on what specification of insulation to use under a slab, It is common to install as little as R5 insulation below slab floors, ...

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

  Insulating a basement is a great idea if it wasn't insulated when built, as before we began insulating foundation walls and below slabs (see slab on grade), it was generally estimated that basement heat loss accounted for about 1/3 of the total heat loss of a house. It is likely that such an abysmal starting place ma...

Radiant floor heat in a bathroom
Delivery: radiant, forced-air and decentralized

DIY radiant floor installation

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...

Reducing the need for air conditioning
Heating and cooling

How to keep homes cool without air conditioning

  How to cool a home without AC While it's true that no matter where you live, be it urban, suburban or rural, the hottest days and nights of summer may have you dreaming of coolers climates. However, those living in dense urban areas will feel it the most, where ambient temperatures can be 5 to 9 degrees Celcius highe...

ProductiveHouse in Montreal
Choosing where to live

Green living in the city

1. Life without a car. One of the nice things about living in the city is public transportation and proximity to services, which makes it possible to live without a car. Or at the very least, it can reduce the amount of driving you have to do. When choosing a place to live, check the walking distances from buses or sub...

Why build LEED?
LEED Homes

Why build LEED?

There are no LEED certified builders, only LEED certified buildings. To build a home to LEED certification is something that is accessible to anyone, no accreditation is required to undertake the process. It is simply a matter of registering your project and successfully completing the requirements of the program. Why ...

Installing foam panel insulation, which is best?
Insulation and soundproofing

Rigid insulation panels: which ones to use for different applications

Polyisocyanurate (PIR), Extruded Polystyrene (XPS), Expanded Polystyrene (EPS) or Styrofoam? When building or renovating a high-performance building envelope there are really three main kinds of rigid foam panels you are going to have to choose from - Polyisocyanurate known as Polyiso (PIR), Extruded Polystyrene (XPS) ...