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Sexton Group Ltd. helps to connect a unique network of diversified and highly-motivated building supply dealers who value their independent identities.

Do you comply with CSA Standard A440.4-07?

At the end of 2016, the revised CSA Standard A440.4-07 became the national Standard of Canada for the installation of windows, doors, and skylights in low-rise and residential buildings. According to this new standard, rigid and flexible flashings are required to be made of materials such as reinforced bitumen and/or rigid metal containing aluminum, copper, galvanized metal or other non-ferrous metal. This standard applies to renovations and new residential constructions.

Resisto has a Solution

RESISTO has the right product to conform to CSA A440.4-07: the REDZONE membrane. This self-adhesive membrane seals the edges of anchors that pass through windows or doors, ensuring compliance with CSA Standard A440.4-07. For optimal waterproofing, it's best to also apply REDZONE to the top flashing.

Why Choose the REDZONE Membrane?

  • Self-sealing
  • UV resistant (it must be covered within 90 days)
  • Low-temperature flexibility
  • Easy, mess-free installation
  • Compliance with and CSA Standard A440.4-07

Find a Sexton Dealer near you!


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DUC353Z - A Force to be reckoned with, the new 18Vx2 14" cordless chainsaw with brushless motor and XPT eXtreme Protection Technology.

Fast, variable speed (3,940 feet per minute) -- Equivalent to a 30cc gasoline chainsaw

Specialized 18Vx2 battery positioning is the Makita industry game changer offering premium balance, control and cutting performance.


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Ply Gem has Canada's strongest exterior building products program for Retail Dealers. Hundreds of products are designed to work together for a complete exterior home solution and backed with retail support programs including samples, displays, visualization and other contractor tools.


Rebates for weather resilient homes

Building codes and the insurance industry are pushing for added weather resiliency in home construction and renovation.
Canadian Underwriter

A small city's pledge to go green

The city of St. Albert, AB has introduced sustainability rules that will see municipal buildings meet LEED standards.
St. Albert Gazette

Changes to Ontario Building Code

The province has made change to binding regulations under the Ontario Building Code in advance of construction season.
Chronicle Journal

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When customers want an outdoor living space that offers the natural beauty of wood without the rotting, warping and constant upkeep, build it with Trex®. With no sanding, staining or painting required, only Trex promises an ultra low-maintenance, eco-friendly product that can stand the test of time.

Distributed by: CertainTeed

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