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What is the best adhesive for outdoor timber structures?

A guide to ensure your outdoor timber structures stay intact.

When assembling outdoor timber structures, it is crucial to use an adhesive that can withstand harsh weather conditions. Without a durable adhesive, there is a risk of delamination when the structure is exposed to the stresses incurred from the changing atmospheric conditions.

Resin adhesives have long been essential in the structural timber industry, offering a dependable solution for demanding bonding applications. Three primary types of resin adhesives are prevalent: Phenol resorcinol formaldehyde (PRF), Melamine urea formaldehyde (MUF), and Urea formaldehyde (UF).


Ureka recommends using a phenol resorcinol product for structural bonding of timber and wood based materials. This resin is specially formulated to provide excellent resistance to moisture, heat, and chemicals, ensuring long term durability and stability. Phenol resorcinol adhesives are widely used in construction, boat building, and other applications requiring high strength and reliable bonding of timber and engineered wood products.


Benefits of Phenol Resorcinol Resin

  • High Bond Strength
  • Water Resistant
  • Heat Resistant
  • Chemical Resistant
  • Versatile
  • Gap-Filling


Melamine Urea Resin is also a preferred adhesive product to use for a Structural timber application. Its versatility and robust strength are akin to PRF, but unlike PRF it has an opaque glueline making it ideal where joints are visible. MUF is widely used in furniture manufacturing and product assembly and contributes to structural bonded timber structures such as glulam beams.


Woodstikk MUF benefits

  • Cures to give an opaque glueline
  • Versatile
  • High bond strength
  • Water resistance
  • Reduced Formaldehyde emissions
  • Cures with radio frequency equipment



To learn more about the Woodstikk UF range products click the link below.

Woodstikk range