Polyurethane glues have many uses and strong features. polyurethane can be useful in boatbuilding projects but there are also problems associated with using pu (pur. Following swedish small boat designer/buider/sailor sven yrvind’s blog has given me confidence to consider building my boat of a foam core glass fibre sandwich. The greasy sizzle of delicious meat on a grill is a staple of every labor day weekend. but as everyone breaks out the barbecue grill, paper plates, and “kiss the.