look at publications online of the American Institute of Timber Construction (AITC). Are the openings checking or cracks or drilled holes or cut notches?
Andreas
Wooden lamella roofs were known for not handling unbalanced roof loadings and there were many, many failures and collapses. Some lamella roofs are doing fine. I know of at least five in Wisconsin that have been performing fine for 80 or so years. A school gym was built in Fargo, ND in the 1960s...
Hardwood and resorcinol adhesive must be glued at elevated temperature - not room temperature. It will not bond properly if glued at room temperature. It is very different than gluing softwoods such as Southern Pune and Douglas fir. And yes, glued laminated hardwood is a very good option and the...