b'Picking the Proper Sealant AWDI understands that the application of a sealant is AWDI recommends anas crucial as the choice of sealant.When a bead of ASTM C920, Class 50 sealant is applied to a joint there are severablesealant that is designedfactors to consider: for exterior/interior use AdhesionCompatibility for sealing aroundFlexibilityTemp, Weather, Exposure) windows, siding and DurabilityAesthetics doors. Quality sealantsWithin these three performance aspects there are bond best to a wide countless combinations of applications, substrates variety of materials and and conditions a sealant is exposed to. their versatility in performance providesBedding Joints: valuable features andFor bedding joints, it is especially important thatbenefits for all installers. Remember: Ability tothe sealant meet AAMA 800-802, and is of the rightconsistency and made up of 100% tool can be important tosolids so it will not shrink after cure, finish the rough edgesunlike solvent and latex based that remain after the oldsealants that shrink and create window tearout. gaps after curing. Desired PropertiesADHESIVE JOINTFillet Joints: No ShrinkageA fillet joint is formed when two surfaces come together to form a right angle. BOND BREAKER Locks out air and water infiltration to protect The sealant used to join these TAPE integrity of the sealtwo surfaces is triangular inProven Wet Surface Applicationshape.The sealant mustadhere to the variety of Ability to use the same sealant in warm substrates youre faced with. and cold temperature situations to produce Without strong adhesion consistent results. 0F140F cold and warm there is a high chance that ANGLED JOINT weather applicationthe sealant will pull awayStrong Adhesion / All Surfaces will stick to even from the substrate allowing the most difficult to bond building materialsfor air and water infiltration. 5X stretch, 50% joint movement Long term durabilityControl Joints: assurance even with expansion and contraction ofA control joint is formedbuilding materialswhen two similar or 24 hour fast cure paintable 1 HR. Fast cure to dissimilar materials meet or when substrates do not protect the building structure from outside forces form a right angle. This joint will require both a and quick paintability saves timebacker rod and sealant for proper application.Achieves bubbling resistance faster to ensure This joint can be as wide as 5/8 inch and be prone optimal aestheticsto extreme movement, a highly flexible sealant is necessary for a reliable seal BACKER RODSufficient Color Matches to offer perfect color match with this application. In to all primary building materialsorder to successfully installDirt & Dust Resistance ensures optimal a window or door and effect visual appeal long after an installationa lasting weathertight seal, UV ResistanceA good choice is a sealantthat meets AAMA 800-802 Long term durability to compliment the durability offor proper adhesion to the the building structure common building materials.Window Fitters Guide to Window Installation112020 AWDI, LLC Do not reproduce without permission'