Adhesives that bond, seal, and fill
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Wood Magazine

Adhesives that bond, seal, and fill

A look at exterior adhesives

Hot melt adhesives
Tubes of glue
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Glue gun with boards
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The new polyurethane hot melt
adhesives offer reliable strength
and set up almost instantly. They're
waterproof, gap-filling, and promise
solid end-grain-to-edge-grain bonding.
Their downside? They're expensive
and hard to sand after being fully cured.

Hot melt adhesives

Because exterior glues can't overcome poor workmanship, build your exterior projects with the same care as when building fine furniture. Make tight-fitting joints, work the glue while it's still wet, provide even clamping pressure over the entire joint, and allow adequate curing time. Most adhesive manufacturers recommend at least 24 hours of curing before putting stress on a joint. For a look at the latest outdoor adhesive in action, see the photo at right.


 

Consult the chart
Glue gun with boards
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chart
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All-season adhesives and sealants

Consult the chart

No single glue can meet all your requirements, so determine how much moisture your project will be subjected to, the types of joinery you plan to use, and the level of bonding. Then consult the chart to pick a product suited to your needs. Note that adhesive sealants provide less bonding strength but offer great flexibility.


 

shim

Wood Magazine