Windows for permafrost houses: installation experience in unstable ground conditions

Canglow is a leading company providing window and door repair, replacement and installation services in Edmonton, Alberta and Northwest Territories.

The instability of the soils at Fort McMurray creates special requirements for the installation of translucent structures. Foundation movement can cause deformations in openings that can compromise the tightness of the glazing. Window installation requires the use of special compensation systems designed for regions with active soils.

Specificity of regional conditions

The seasonal thawing of permafrost causes building movements of up to 40mm per year. Canglow window installers use installation techniques to compensate for these movements without disturbing the thermal circuit. Special fasteners allow the structure to move while maintaining airtightness.

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Replace your old windows and doors with new energy efficient ones at up to 25% off from Canglow this month. The promotion is only open to Alberta homeowners. The discount percentage depends on the number of windows and doors in your order. Check with your project manager for details of the promotion.
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  • These are limited time offers. Some offers do not stack. Ask your project manager for details.

Fundamentally new installation technologies

The dynamic window fastening system is fundamentally different from standard solutions. Special brackets made of high-strength aluminum alloy are attached to the supporting elements of the opening through expansion joints. Each unit consists of a movable carriage and guides with fluoroplastic inserts that ensure smooth sliding without jamming.

Telescopic fasteners are installed along the perimeter of the frame with a spacing of 400-600 mm depending on the size of the structure. They take vertical and horizontal loads arising from the movement of the building, evenly distributing them over the entire contour of the window. A special system of dampers dampens peak loads, preventing deformation of the profile.

Sealing is performed by multi-component polyurethane compositions with relative elongation at break of more than 600%. The outer layer of the sealant contains UV stabilizers and modifiers that ensure the preservation of elasticity at extreme temperatures. In case of seam deformation, the material works as an “accordion”, preserving the continuity of the thermal contour.

Structural condition monitoring

Modern window systems are equipped with deformation sensors that detect changes in the geometry of the opening. Regular monitoring allows for timely adjustment of fasteners and prevention of airtightness violation. If necessary, windows are replaced with reinforced expansion joints.

The main technical solutions are:

  • Sliding fasteners with compensation range up to 45 mm.
  • Multi-circuit sealing system with elastic inserts.
  • Reinforced frame corner joints with high strength.
  • Geometry control sensors with remote monitoring function.
  • Adjustable support pads with load distribution.

Thermal insulation characteristics

Special attention is paid to preserving thermal insulation properties in case of deformations of the structure. The multi-chambered profile with thermal inserts provides high resistance to heat transfer even when elements are displaced. Elastic seals maintain tightness in a wide temperature range.

Durability and reliability

The materials used are designed for operation in conditions of constant ground movement. Special hardware ensures easy movement of the sashes even in case of frame deformation. Regular maintenance maintains the optimal performance of the structures.

Economic efficiency

Material investments in specialized installation systems pay for themselves by reducing repair and maintenance costs. Preventing heat loss due to structural deformations ensures savings on heating. The service life of properly installed windows exceeds 25 years.

Professional support

The company’s specialists regularly monitor the condition of the structures and perform the necessary adjustments. The service department ensures prompt elimination of possible malfunctions. Extended warranty for installation work is provided.

Additional features

In addition to installing windows and creating reliable translucent structures, Canglow also carries out professional, region-specific door replacements. All entrances are installed using technology designed to withstand moving ground conditions.

FAQs

The time depends on the scope of work and the complexity of the project. On average, window replacement in a typical apartment can take 1-2 days. For a private house, the process may take 3-5 days. However, large or complex projects may require more time. It is better to discuss exact terms with our managers.

Yes, it can be done at any time of the year, including winter. Modern technology and materials allow work to be carried out even at low temperatures. However, winter installation requires additional precautions and may take a little longer. The advantage of winter replacement is the ability to immediately assess the quality of the thermal insulation of the new windows.

The main signs that it’s time to upgrade your windows:

  • Drafts and heat loss.
  • Condensation between the panes.
  • Difficulty opening and closing.
  • Visible damage to frames or glass.
  • Increased noise from the street.
  • Significant increase in heating bills.

Yes, quality replacement windows can increase property values. New energy efficient windows make a home more attractive to potential buyers because they promise savings on utility bills and increased comfort. By some estimates, replacing windows can increase property values by 5-10%.

Usually the windows themselves (profile and double-glazed units) are guaranteed for 3 to 5 years. The installation work is usually guaranteed for 1 to 3 years.

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