I work for a Vermont company that specializes in restoring and preserving timber-frame structures, so after reading the table of contents blurb for Gary Morrison’s article “Strengthening an Old Roof” in your December issue — which read “New LVL framing straightens and stiffens an underbuilt timber frame” — I enthusiastically turned to the article itself. But my enthusiasm turned to dismay when I saw that the author had cut the purlins and chopped out the “waste” on either side of the rafters.
In any historic timber-framed structure — and especially one dating back nearly 300 years — the joints are among its most important features. Arbitrarily cutting original framing members destroys the historic fabric that makes the buildings so special.
to read the full article.