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Why we love architectural windows

Custom shapes & styles

Dare to be original! With our architectural windows, you can choose the geometric shape you want: with its one-piece frame, thinner than our other models, it can be bent to your measurements. It's your chance to stand out from other homes in your neighbourhood.

Incomparable lighting

Use architectural windows alone or combined with any other window models to adjust glass surface and make your living space even brighter.

A touch of elegance

Without a doubt, architectural windows add a unique touch to your home with their distinctive, antique look. They also fit well with contemporary or country-style homes, depending on the shape you give them.

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Vaillancourt custom architectural window with a half-moon hybrid shape at the top of the two vertical panes of glass

Half-moon hybrid architectural window

White PVC custom architectural window with two colonial panels and half-round shape on top of the architectural window

White PVC architectural window

Look at examples of our achievements

Available options

Available options

Custom architectural windows

Complete line of grilles and crossbars

Give your home unique style by adding sealed grilles between two glass panels. 2" crossbars glued to the interior and exterior surfaces of your windows also give a unique touch.

Illustration of the angular shape of grilles and crossbars for Vaillancourt’s PVC and hybrid aluminum architectural windows

Choice of exterior trim moulding

Here are trim mouldings for windows assembled with transom windows and/or architectural windows (measurements are in inches).

Illustration of the choice of exterior trim mouldings for architectural windows. PVC Brick model 1 1/4" x 3 1/2"
Brick
1 1/4" x 3 1/2"

Variety of integrated grilles

Integrated grills between glass panels are available in all colours and adapt to the colour chosen for the entire window.

Aperçu de carrelage intégré rectangulaire 1/4" x 1" de couleur blanc pour personnaliser votre porte d’entrée de Vaillancourt
Rectangular
1/4" x 1" white

Unlimited Choice of Colours

Your colour options are endless! Here are some of the most popular shades. And if you don’t see what you want among our 30+ standard colours, simply bring us a sample and we’ll create it for you!

View most popular colours

Vaillancourt energy efficient glass (double or triple)

Our energy efficient glass is equipped with a microscopic metallic film. In addition, an inert gas (argon) is added between the glass panels to preserve interior heat in winter and coolness in summer.

More than just helping relieve condensation issues, energy efficient glass offers unmatched performance and substantial savings.

Position of a PVC and aluminum casement window in energy efficient glass to relieve condensation issues in summer or winter

Standard characteristics

Standard characteristics

Custom architectural windows

Flexible frame in the architectural window

The thinner, fixed one-piece frame in architectural windows can be bent to form geometric shapes that will satisfy all tastes and styles. This type of frame is also used for transom windows in doors and windows to allow more glass surface due to its thin frame.

Technical information

Technical information

Custom architectural windows
PVC

Custom architectural windows

Small fixed frame

Small, fixed one-piece frame and interior (trim) moulding in colonial or contemporary styles offer unmatched beauty. 

All-PVC frame

Multi-chamber frame made entirely of white PVC.

Gasket seal

Invisible gasket seal around the sealed glass, both interior and exterior.

Cavities

Cavities made of 1/2" drywall and 3/4" wood cavities integrated into the frame.

Double or triple glazing

Standard double 7/8" glazing with non-conductive spacers on the edges. Option of triple 1 1/4" glazing that greatly improves energy performance.

Hybrid

Custom architectural windows

Small fixed frame

Small, fixed one-piece frame and interior (trim) moulding in colonial or contemporary styles offer unmatched beauty. 

PVC/Aluminium hybrid frame

Hybrid frame with PVC on the inside and aluminium on the outside, standard depth of 5 13/16" with optional extension to 6 15/16".

Gasket seal

Invisible gasket seal around the sealed glass, both interior and exterior.

Cavities

Cavities made of 1/2" drywall and 3/4" wood cavities integrated into the frame.

Double or triple glazing

Standard double 7/8" glazing with non-conductive spacers on the edges. Option of triple 1 1/4" glazing that greatly improves energy performance.

Energy performance

ENERGY STAR 2020 VERSION 5.0

Architectural windows – White and coloured PVC

Product model Type of glass Width of grilles
mm (inches)		 U Factor
W/m2-K (Btu/h ft2-F)1		 Solar Heat Gain Coefficient (SHGC)2 ER factor3 NRC ref. no.

MFPVC-IU_DOUBLEU1_ARG_LOWE

Double

None

1,59 (0,28)

0,61

40

NR6769-34743323-ES5

MFPVC-IU_DOUBLEU1_ARG_LOWE_CARR<1

Double

<25mm(<1)

1,59 (0,28)

0,54

36

NR6769-36223551-ES5

MFPVC-IU_TRIPLES_2ARG_1LOWE

Triple 1 Low E

None

1,25 (0,22)

0,53

43

NR6769-20774684-ES5

MFPVC-IU_TRIPLES_2ARG_1LOWE_CARR<1

Triple 1 Low E

<25mm(<1)

1,25 (0,22)

0,48

40

NR6769-20774685-ES5

MFPVC-IU_TRIPLES_2ARG_1LOWE_CARR?1

Triple 1 Low E

>=25mm(>=1)

1,25 (0,22)

0,43

37

NR6769-20774686-ES5

MFPVC-IU_TRIPLES_2ARG_2LOWE

Triple 2 Low E

None

1,02 (0,18)

0,46

44

NR6769-20774696-ES5

MFPVC-IU_TRIPLES_2ARG_2LOWE_CARR<1

Triple 2 Low E

<25mm(<1)

1,08 (0,19)

0,41

40

NR6769-20774697-ES5

MFPVC-IU_TRIPLES_2ARG_2LOWE_CARR?1

Triple 2 Low E

>=25mm(>1)

1,08 (0,19)

0,37

38

NR6769-20774698-ES5

MFPVC-IU_TRIPLE60_2ARG_1LOWE

Triple 1 Low E

None

1,19 (0,21)

0,38

36

NR6769-41531746-ES5

MFPVC-IU_TRIPLE60_2ARG_1LOWE_CARR<1

Triple 1 Low E

<25mm(<1)

1,19 (0,21)

0,34

33

NR6769-41531747-ES5

MFPVC-IU_TRIPLE60_2ARG_1LOWE_CARR?1

Triple 1 Low E

>=25mm(>=1)

1,19 (0,21)

0,31

32

NR6769-41531748-ES5

MFPVC-IU_TRIPLE60_2ARG_2LOWE

Triple 2 Low E

None

0,91 (0,16)

0,28

36

NR6769-41531742-ES5

MFPVC-IU_TRIPLE60_2ARG_2LOWE_CARR<1

Triple 2 Low E

<25mm(<1)

0,97 (0,17)

0,25

33

NR6769-41531743-ES5

MFPVC-IU_TRIPLE60_2ARG_2LOWE_CARR?1

Triple 2 Low E

>=25mm(>1)

0,97 (0,17)

0,23

32

NR6769-41531744-ES5

Architectural windows – Hybrid

Product model Type of glass Width of grilles
mm (inches)		 U Factor
W/m2-K (Btu/h ft2-F)1		 Solar Heat Gain Coefficient (SHGC)2 ER factor3 NRC ref. no.

MFHYB-IU_DOUBLEU1_ARG_LOWE

Double

None

1,59 (0,28)

0,61

40

NR6769-34743325-ES5

MFHYB-IU_DOUBLEU1_ARG_LOWE_CARR<1

Double

<25mm(<1)

1,59 (0,28)

0,54

36

NR6769-36223554-ES5

MFHYB-IU_TRIPLES_2ARG_1LOWE

Triple 1 Low E

None

1,25 (0,22)

0,53

43

NR6769-20774720-ES5

MFHYB-IU_TRIPLES_2ARG_1LOWE_CARR<1

Triple 1 Low E

<25mm(<1)

1,25 (0,22)

0,48

40

NR6769-20774721-ES5

MFHYB-IU_TRIPLES_2ARG_1LOWE_CARR?1

Triple 1 Low E

>=25mm(>=1)

1,25 (0,22)

0,43

37

NR6769-20774722-ES5

MFHYB-IU_TRIPLES_2ARG_2LOWE

Triple 2 Low E

None

1,02 (0,18)

0,46

44

NR6769-20774732-ES5

MFHYB-IU_TRIPLES_2ARG_2LOWE_CARR<1

Triple 2 Low E

<25mm(<1)

1,08 (0,19)

0,41

40

NR6769-20774733-ES5

MFHYB-IU_TRIPLES_2ARG_2LOWE_CARR?1

Triple 2 Low E

>=25mm(>=1)

1,08 (0,19)

0,37

38

NR6769-20774734-ES5

MFHYB-IU_TRIPLE60_2ARG_1LOWE

Triple 1 Low E

None

1,19 (0,21)

0,38

36

NR6769-41480941-ES5

MFHYB-IU_TRIPLE60_2ARG_1LOWE_CARR<1

Triple 1 Low E

<25mm(<1)

1,19 (0,21)

0,34

33

NR6769-41480942-ES5

MFHYB-IU_TRIPLE60_2ARG_1LOWE_CARR?1

Triple 1 Low E

>=25mm(>=1)

1,19 (0,21)

0,31

32

NR6769-41480943-ES5

MFHYB-IU_TRIPLE60_2ARG_2LOWE

Triple 2 Low E

None

0,91 (0,16)

0,28

36

NR6769-41480937-ES5

MFHYB-IU_TRIPLE60_2ARG_2LOWE_CARR<1

Triple 2 Low E

<25mm(<1)

0,97 (0,17)

0,25

33

NR6769-41480938-ES5

MFHYB-IU_TRIPLE60_2ARG_2LOWE_CARR?1

Triple 2 Low E

>=25mm(>1)

0,97 (0,17)

0,23

32

NR6769-41480939-ES5

1 U factor – W/m2-K (Btu/h ft2-F): Indicates the rate of a material's transfer of heat. The lower the U factor, the higher the window's performance.

2 Solar Heat Gain Coefficient (SHGC): Indicates the solar energy that can pass through the window. The higher the coefficient, the higher the window's performance.

3 ER factor: Indicates a window's global energy efficiency. The higher the ER factor, the higher the window's performance.

R factor: Indicates the degree of resistance in a material's temperature transfer. The higher the R factor, the higher the window's performance.

Achievements

Achievements

Custom architectural windows
See more achievements

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Sliding Sliding PVC