Glued Laminated Structure

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Glued Laminated Structure

Our climate is perfect for both outdoor entertaining on the weekends and relaxing after a long day. However, as it becomes hotter, a touch of shade from a timber pergola can keep the worst of the heat from spoiling your good time. Adding a Timber pergola to your home can enhance your family’s enjoyment of summer, creating a space for friends and family to come together on those long afternoons and evenings.

Glulam has a reputation for being used in exposed applications such as vaulted ceilings and designs with large open spaces. With four appearance grades—framing, industrial, architectural, and premium—glulam is used when you seek a combination of structural and aesthetic attributes. This includes a range of architectural applications, including churches, higher education facilities, offices, and homes.

Glulam can work behind the scenes, too, like trusses, purlins, floor beams, cantilevers, and other necessary structural elements. Glulam has found use as floor and roof decking planks as well.


  • Glulam is made from a wide variety of species like Fir, Pine, Spruce etc
  • Beams and columns of virtually any size and shape are fabricated by
    laminating three or more kiln dried, stress tested, and finger jointed lumber together to form continuous laminations
  • These laminations are pressed together using a mechanized, hydraulic press,bonded with weather resistant adhesives
  • Pressure treatment is used for exterior applications Glulam can be
    customized as straight, curved, arched, and tapered members


Surface quality

Visible quality (SI) : core-separated, bare, healthy knots (any defects are repaired).

Industrial quality (NSI) : Defective knots and colour variations through blie stain to red streakiness permitted. Upon request only.

Advantages of working with MASS TIMBER
Increased Speed of Construction
Light Weight and Strong
Weather Versatility
Carbon Sequestering
Offsite Construction
Tolerances In Millimeters
Raw Material is Fully Finished
Reduced Labor Cost


Shrinkage and swelling tendency

Our lamella beams have an average shrinkage and swelling tolerance of 0.24% in both width and height per 1% change in the wood moisture. Changes ‘legth of 0.1% can generally be ingnored.

As a result of the natural and hence unavoidable tendency of the wood to shrink and swell. small shrinkage cracks may occur depending on the indoor climate.

In closed, normally air-conditioned rooms a wood equilibrium moisture content of 9% can be expected. This corresponds to the equilibrium moisture content at a room temperature of 20 Cand a relative humidity of  50%.

Dimensional tolerances

In line with EN 336 Structural Timber, at least dimensic tolerance class 2.

Width and heights:                          ∓ 1.0 mm    b, h  ≤  10 cm

                                                              ∓ 1.5 mm    b, h  ≥ 10 cm

Twist:                                                     ≤  4mm / 2mm

Longitudinal curvature:                   ≤  4mm / 2mm



Bundle wrapped in plastic foil (see list of packaging unit Individually wrapped pieces on request.

  • The plastic foil provides protection against dirt and spray wat during shipping
  • The plastic foil offers a limited protection of the compone against UV radiation and water absorption
  • The packaging material is not suitable for long term shortage
 Simple Steps To Ensure GLULAM Beams Perform As Designed
  • Check before Notching and Drilling Holes in Glam Beams. All Holes, notches and tapered cuts must be aperoved by the engineer or architect.
  • Use GLULAM for Straight and True Columns Roof Beams that extend to the exterior need to be protected from the elements.
  • Protect untreated Beams from the Elements Apply a coat of sealant to the ends of beams after trimming.
  • Use Proper Connection Details Apply a coat of sealant to the ends of beams after trimming.
Will Glulam Rot?
  • Glulam’s resilience is well-demonstrated by its continued and long-service life in historic structures that endure to this day.
  •  It will not rot or acquire mold when installed and maintained correctly. Weather protection during installation is important and exposure to water should be avoided.
  • To ensure long-term durability, steps should be taken to keep glulam dry
    during transport, construction and assembly.
  • Building design and maintenance can go a long way to protecting mass timber such as glulam from moisture and decay.
  • For added protection, treat it with preservatives each varying based on a
    project’s climate and design requirements.


How does glulam compare to other building materials?
  •  At less than 10 percent the weight of steel and one-fifth the weight of concrete, using glulam offers increased efficiencies in transportation, smaller carbon footprint and a light-weight structure with comparable
  •  Compared to concrete, glulam structures can be installed in a shorttime, all-year-round taking advantage of prefabrication.
  • Glulam can be used in place of structural steel, offering two times the strength to weight ratio


Will glulam burn in a fire?
  • Widely used worldwide for more than half a century, glulam’s fire safety is well-established through its extensive use and testing
  • Glulam is permitted and is safe to be exposed, as its large mass provides inherent resistance to fire.
  • Like other mass timber products, glulam naturally resists fire because it chars.
  • In the event of a fire, this char on the outside forms a protective layer while retaining strength.
  • This slows combustion significantly, allowing time to evacuate the building safely.

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