The Family Handyman on MSN9h
17 Tips For Using Spray Foam Insulation
A ball in the tip seals in the foam so it won’t cure in the gun. You can leave it like this for up to a month without ...
Interesting Engineering on MSN7h
New mortar mix cuts building heat loss by 55%, uses recycled plastic, aerogel
The team created the mortar by replacing a portion of natural sand with a mixture of silica aerogel particles and shredded PET (polyethylene terephthalate) plastic. Silica aerogel is already ...