How much “under-the-roof” ventilation is enough?

The tried and true seemed to be 1” (or so) of air space beneath the sheathing for soffit to ridge ventilation.I recently have encountered the “that is simply not enough”… The tried and true seemed to be 1” (or so) of air space beneath the sheathing for soffit to ridge...

Confused on WRB placement when installing flangeless windows

I need some advice on a renovation I will be starting in the next few weeks. The concern arises on where to put the WRB , with rigid foam insulation… I need some advice on a renovation I will be starting in the next few weeks. The concern arises on where to put the...

Rockwool comfortboard insulation

Has anyone installed four 3 inch layers of rockwool comfortboard 80 on  exterior sheathing? I have one solution that uses custom ‘larsen trusses’ with 12 inches between the inner and… Has anyone installed four 3 inch layers of rockwool comfortboard 80 on ...

Getting Plastics Out of Our Buildings

A new report examines the building industry’s endemic plastics problem, dissects common myths, and offers some viable solutions. A new report examines the building industry’s endemic plastics problem, dissects common myths, and offers some viable solutions.Design,...
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