Double truss profile
Single truss profile
Doors
Foundations
Membranes
End walls
Ventilation
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Double truss profile
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Double truss HP 
| Models | A | B (2') | C (4') | | HP 50' | 21'2'' | 7'2'' | 9'10'' | | HP 60' | 22'10'' | 7'2'' | 9'10'' | | HP 70' | 24'6'' | 7'2'' | 9'10'' | | HP 80' | 26' | 7'2'' | 9'10'' |
| Available in 50’, 60’, 70’ and 80’ widths. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 oval tubing. The straight arch’s web increases its strength and its bearing capacity. This profile can be installed on the ground or stilted on a wall. |
Double truss LP 
* = Variable | Models | A | B (2') | C (4') | | LP 50' | 18' * | 4'6'' * | 7'1'' * | | LP 60' | 19'8'' * | 4'6'' * | 7'1'' * | | LP 70' | 21'4'' * | 4'6'' * | 7'1'' * | | LP 80' | 22'11''* | 4'6'' * | 7'1'' * |
* Add height of wall for ground measurement | Available in 50’, 60’, 70’ and 80’ widths. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 oval tubing. The straight arch’s web increases its strength and its bearing capacity. This profile must be installed on a wall. |
Double truss XP 
| Models | A | B (2') | C (4') | | XP 50' | 26'2'' | 12'7'' | 15'3'' | | XP 60' | 27'10'' | 12'7'' | 15'3'' | | XP 70' | 29'6'' | 12'7'' | 15'3'' | | XP 80' | 31' | 12'7'' | 15'3'' |
| Available in 50’, 60’, 70’ and 80’ widths. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 oval tubing. The straight arch’s web increases its strength and its bearing capacity. This profile can be installed on the ground or on a wall (except on wood wall). |
Double truss XL 
* = Variable | Model | A | B (2') | C (4') | | XL 50' | 15'9'' * | 4'2'' * | 7' * |
* Add height of wall for ground measurement | Available in 50’ width. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 and 16 oval tubing. The straight arch’s web increases its strength and its bearing capacity. This profile must be installed on a wall. |
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Single truss profile
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Single truss arch profile 
| Models | A | B (2') | C (4') | | HP 30' | 14'9'' | 7'4'' | 10'1'' | | HP 35' | 16'7'' | 7'5'' | 10'4'' | | HP 40' | 20'7'' | 11'4'' | 13'4'' |
| Available in 30’, 35’ and 40’ widths. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 oval tubing for 30’ and 35’ wide structures while 40’ wide structure are made of rectangular tubing. This profile can be installed on the ground or on a wall. |
Single truss LP profile 
| Model | A | B (2') | C (4') | | LP 40' | 16'11'' | 8'2'' | 10'5'' |
| Available in 40’ width. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 rectangular tubing. This profile can be installed on the ground or on a wall. |
Single truss XL profile 
| Model | A | B (2') | C (4') | | XL 40' | 15'7'' * | 6'4'' * | 8'4'' * |
* Add height of wall for ground measurement | Available in 40’ width. The length is determined according to your needs. Arch spacing is established by our in-house engineers according to the national building code of the geographic area where the structure will be built. The main components of the arches are made of gauge 14 rectangular tubing. This profile must be installed on a wall. |
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| Doors | |
Garage door  | You can install one or two garage doors, according to your needs. The door sizes may vary, in relation to your project, as far as the model of the door respects the architectural parameters of the structure. |
Curtain door  | MegaDome®’s curtain doors are made of white 6 oz PowerShield® membrane and are available in the following sizes : 14’Wx12’H, 14’Wx14’H et 12’Wx10’H. The door opens manually. |
Side door  | Side doors offer highly versatile use. This option is not standard and may be customize according to your specific needs. |
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| Foundations | |
Concrete pier  | This type of foundation can be use with HP and XP profiles, as well as a 40’ wide LP profiles. |
Wood wall
 | This type of foundation can be use with HP, LP and XL profiles. |
Concrete blocks  | This type of foundation can be use with HP and XP profiles, as well as a 40’ wide LP profiles |
Grade beam
 | This type of foundation can be use with HP and XP profiles, as well as a 40’ wide LP profiles. |
Concrete wall  | This type of foundation can be use with all types of profiles. |
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| Membranes | |
PowerShield® membrane
White membrane
Beige membrane
Grey membrane
Colored end
| Colors
With clear interior mesh : white, beige and blue
With black interior mesh : green and grey Thickness: 12 oz/sq.yd PowerShield® membrane is designed according to a multilayer exclusive system. All membranes have a minimum of three layers: an external coating of variable color, a mesh (clear or black) of woven polyethylene strips and an interior white coating, for greater luminosity inside the structures. Warranty* | Replacement of the cover up to 100% for the first | Prorated depending on the geographic area and the use of the cover up to | PowerShield® grey, green and white | 2 years | 15 years | PowerShield® beige and other colors on request | 2 years | 10 years |
* Roof membrane Click here for the complete PowerShield® warranty. |
PVC membrane
| This 18 oz/sq.yd PowerShield® membrane consists of woven polyester covered with PVC on both sides. The PVC membrane is only available in white. Warranty* | Replacement of the cover up to 100% for the first | Prorated depending on the geographic area and the use of the cover up to | | 5 years | 15 years |
* Roof membrane Click here for the complete PowerShield® warranty. |
| Fire retardant membrane | This 12 oz/sq.yd PowerShield® membrane is only available in white. Warranty* | Replacement of the cover up to 100% for the first | Prorated depending on the geographic area and the use of the cover up to | | 2 years | 10 years |
* Roof membrane Click here for the complete PowerShield® warranty. |
Roof junction
 | Roof junction is necessary every 150’. The membrane is attached by 1’’ inside straps, as securely as on the ends. |
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| Wall ends | |
Steel clad end
| The end walls of the MegaDome® can be adjusted to your specific needs. This option is not standard. |
End wall with wind cloth
| End walls can be ventilated with a 80% porous wind cloth which stabilizes air pressure inside the structure to avoid parachute effect, particularly when one end of the structure is opened and the other closed. |
End wall with louver
| Louvers act to stabilize air pressure inside the structure to avoid parachute effect. The quantity of flaps that needs to be installed is determined according to the size of the end wall. |
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| Ventilation | |
Turbine
| The turbines are equipped with a stainless steel ball bearing system. This equipment piece is used for ventilation purposes on storage shelters. The quantity to install is determined according to the size of the building air the volume of air to evacuate. |
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