The best concrete sealer can protect your surfaces from moisture and chemical damage. We tested to see which performed best; ...

MassDOT attributed the collapse to “recent freeze/thaw cycles,” which cause “concrete to become saturated, freeze, and then delaminate as temperatures rose.” The joint that failed was ...

The following air sealant ... 2 footnote (8) Concrete masonry unit (CMU) wall with 50-mm-thick spray polyurethane foam Table 2 footnote (3) Table 2 footnote (9) specimen No. 4 – opaque CMU wall with ...

Acrylic is not far behind polyurethane-based sealants, falling somewhere in the middle of the price range, while epoxy sealers come in at the top of the price range. The size of your concrete slab ...

Polyurethane sealants are super useful when it comes to waterproofing stuff, sealing joints, and perimeter sealing of windows and doors. In addition to buildings, they’re used in cars for ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Polyurethane sealants are adhesive compounds based ... flooring and joining, concrete joints, submerged, sanitary and kitchen, and are used by various end-users, such as building and construction ...