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Each product varies in best application practices, so the most crucial thing to do is consult the directions for the manufacturer’s best recommendation. ApplicationĪs anyone who has ever accidentally glued their fingers together can attest, applying construction adhesives can be tricky. Peel strength measures adhesive strength under perpendicular pressure.Ĭonstruction adhesives are designed to bond permanently but may fail or disintegrate if exposed to extreme pressure or environmental factors. Scientists and manufacturers consider a bond’s strength through two measures: lap shear strength and peel strength.Ī lap shear test measures an adhesive’s ability to withstand stress when the glue moves laterally to the repaired material. An adhesive unequal to the job could result in a ruined project.

Strength is a critical consideration in construction adhesives. A slow-drying construction adhesive is not ideal when working on a time-sensitive project. Some adhesives bond fully within moments, while others take up to several days to fully cure. Don’t be fooled by a dry construction adhesive, as dry does not necessarily mean your project is ready for the next step.Īdhesives vary on drying and curing times.

#Liquid nail tape full#

Upon final crystallization, the adhesive achieves its full strength. This process is also known as bonding.Ĭuring is a chemical process during which the adhesive crystallizes. The adhesive dries as the carrier evaporates, leaving behind a bond between materials. After application, the carrier component evaporates.

Manufacturers add liquid agents to adhesives that soften the compound for application. Drying TimeĪchieving a full strength bond with your construction adhesive involves two processes: drying and curing. Nonporous and smooth surfaces like plastic or metal do not adhere as readily as rough materials like sawn wood. Silicon-based adhesives offer waterproofing capabilities and flexibility, while superglues offer rigid bonding that lacks flexibility. The best construction adhesives for wood have elastomeric properties, meaning they can flex with the material and resume their shape. Choosing a construction adhesive formulated specifically for the materials in your project is paramount. Metal, concrete, glass, and wood have different molecular and chemical properties. Many adhesives work by bonding with the construction material on a molecular level, and there is no one construction adhesive for all applications. Read on to find out what you need to know for selecting the best construction adhesive for the job. Surface type, drying time, strength, and application methods impact finding the product for the task at hand. Not all construction adhesives are created equal. Photo: What to Consider When Choosing the Best Construction Adhesive