Archives by Month: June 2019

A Few Ways NOT Fasten Shingles

Posted by in Shingles | June 18, 2019

This is how NOT to fasten common asphalt shingles: With a nail driven at an angle, thus, reducing the pull through strength and causing a hump that lifts the overlying tab. With nails over driven so that they are cutting… Read More

You Can’t Do THAT

Posted by in Cracking, Masonry | June 04, 2019

We have been told by some masons that a new concrete block wall can’t be toothed into an existing concrete block wall. Well…… Yes and No. Apparently, it can be done, as shown in Figure 1. However, since the new… Read More