Roofs / Guides

R values and insulation performance
Efficient home design

Understanding thermal performance

...roofs typically absorb more solar energy than do lighter roofs. On a sunny day with 25°C [77°F] ambient air temperature, three adjacent black, grey, and white r...

Ice dam
Roof assemblies - renovation

What causes ice dams and how to fix them

...roofs, letting water penetrate and cause damage to the interior of walls and roofs. When snow melts on a roof it runs down until it meets the unheated bottom ed...

The LEED Platinum Beachaus II in Vancouver, BC
LEED Homes

The Canada Green Building Council (CAGBC) Measures the Environmental Benefit of the LEED Certification Program.

...roofs, or an area the size of 66 NHL hockey rinks. Green roofs reduce the urban heat island effect, reduce building energy demands, provide urban green space an...

Commercial Living green roof on the Helen Schuler Nature centre
Roof coverings

Living green roofs: the secrets to success

...Roofs are A Collaborative endeavour: Green roofs are technically complex building systems , requiring collaboration between architects, structural engineers, ...

Metal roof with solar panels
Roof coverings

How to choose roofing materials

...roofs: Metal roofing © Ecohome While the extraction and rendering of metal roofing has a high-embodied energy, it will probably last your lifetime, and ...

Mineral wool insulation in roof by Rockwool - LEED Platinum V4
Roof assemblies - new construction

Mineral wool insulation in roofs by Rockwool

Mineral wool roof insulation used to best effect: Watch more Green Building Video Guides on the EcoHome YouTube Channel here The Ecohome's Edelweiss Hous...

Flooded streets impervious surfaces - Calgary Alberta
Rainwater Collection & Watering

Rainwater management and water-permeable surfaces

...roofs for example, can retain much of the water that falls on them. A green roof (specifically flat ones) can add green space to an otherwise bland concrete l...

Tesla Solar Roof shingles
Solar photovoltaic

The Tesla Solar Roof: we love the hype, but we'd like to see some actual facts.

...roofs are probably the lightest by square foot and I've never seen a shingle or sheet of metal arrive 'broken'. But hey, who really cares? If they cost triple...

Choosing between OSB or Plywood for house sheathing for Roofs, Walls & Floors.
Wood and organic materials

Which is better, OSB or Plywood for Roofs, Walls & Floors?

...roofs and wall sheathing, OSB claims about 70% of the wood sheathing market in North America over plywood. Both products have benefits and drawbacks; we will go...

Frost in attic
Roof assemblies - renovation

Why is there frost in my attic?

...roofs aren't prone to panic attacks, by that logic they should be fine for a bit too. Ceiling air barriers: Lastly, you should try to deal with any air leak...

Passive House design Vancouver
Passive House

The city of Vancouver is actively promoting Passive House construction

...roofs to moderate indoor temperatures and mitigate the heat-island effect • interior design and the use of thermal mass to facilitate passive-heating strategi...

Search...