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Weatherstripping & Weatherseals:

standard black / color coated / co-extrusion / tri-extrusion / full color

Rubber Sealing Systems,

            Guaranteed to Change Your View

Architecture- the symbiosis of form, function and structure - bears the signature of the architect and designer.

Every architectural project represents a new challenge.  Clients quite rightly have high demands and high expectations, not the least because of the costs of planning and construction, but because of the costs relating to building operation and maintenance.  Capital charges often consume huge budgets not only for the initial investment but also in the yearly expenditures necessary for operating

and upkeep.

Construction work is built on trust.  Trust uses the experience and knowledge of the planners and designers but, above all, rests with

the manufacturers and the skills of the builders and on site craftsmen.

RENKO®, one of North Americas leading rubber suppliers, providing specialized industrial solutions to the automotive industry and flat roof sealing systems, also offers a range of economical, ecologically sound and attractive products for windows and building facades.

Experience is Part Of Our Profile

Creativity and aesthetics are maximized in our profile design.  Our clients know they can count on a problem-free solution and a premier quality installation.

The problems related to the sector of building engineering are not the surfaces themselves but rather the joints, corners and edges.

Fully developed, practical products are offered to our customers as a new view of window and building-facade sealing systems.  RENKO®'s clients also benefit from our customer-oriented applications department and our skilled technical specialists who not only develop products but also provide valuable experience and know-how into the planning and design phases, an essential element in the provision of customer specific applications.

Whether incorporated into new buildings or renovations work, the solution offered by RENKO® will change the way you see windows and building facades.

Renko's Formula For Success


Products made from a wide range of synthetic rubbers are the perfect choice when it comes to permanently sealing joints, moisture - vapour barriers or compensating for the relative motion between structural components or different materials.  In contrast to alternative materials, products manufactured from EPDM do not suffer from the adverse effects of softeners migrating from the material.  Therefore, long lasting elasticity and satisfied clients are guaranteed.  Utilizing our own proprietary formulations, RENKO® develops high-quality products designed for specific applications thus providing customized solutions that resolve problems related to window and facade designs.

EPDM and Silicone are the basic products RENKO® utilizes to manufacture it products.  There are numerous advantages to these materials, which include:

Wide Variety of Applications:


  • as a profile, weatherstripping, weatherseal, a facade strip or a preformed molded unit.

Long Lifetime and Dimensionally Stable:


  •     high degree of resistance to chemical attack and mechanical wear
  •     water impermeable and water repellent
  •     excellent properties over a wide range of temperatures, from -40C to +100C



  •     quick and rapid assembly and easy installation, ensures low manufacturing costs which help meet building deadlines
  •     provides long term structural protection, which helps maintain the value of the building


  •     resource-saving manufacturing processes
  •     simple to separate and can be recycled or incinerated with facility

    environmentally friendly

For Long Lasting, Draft-free Windows

Whichever style, a window must always be able to withstand the harsh conditions with which it may be exposed to, such as, strong winds at great heights, vibrations, noise, heat and other elements of the environment.

We feature a wide range of window gaskets and weatherstripping in our lines for glazing, middle and sash weatherstripping and weatherseals.


Renko® Products of this production group include these weatherseals / weatherstrip applications:


-PVC window and door
-Screen Splines
-Aluminum window and doors
-Wood window and door
-Greenhouse insulation
-Automatic door
-Colour coated
-Banded (self-adhesive)
-Fully coloured
-Closed-cell foam
-Dry and wet glazing solutions, ideal for any type of window

Specially developed cross-sections provide permanent protection between the window and adjacent components and between the casement sash and frame.  They also allow for rapid dry glazing to be carried out.



Proven Durability - the sealing gasket and weatherstripping for PVC, wood and aluminum windows and curtainwalls.

Our products, for plastic (PVC) and vinyl windows are the one step solution for tight fitting joints.

The weatherseal and weatherstrip can be inserted by hand or by machine in a wrap around fashion to ensure fully enclosed corners and a continuous band of insulation.

Adaptability - the key to sealing aluminum windows.

For thermal and noise insulation reasons, aluminum windows and window elements typically use multi-layered constructions of different rubber mixtures.  By linking the sealing profile and the sealing frame, our product offers a practical and economical solution for sealing and weatherstripping aluminum window units.

Simplicity - dry glazing system for wooden windows.

By targeting greater safety and efficient working we recommend the use of a dry glazing system for wood windows.  Without the need for a silicone sealant, the process represents an intelligent alternative to conventional "wet" glazing techniques.  The rubber used combines a long service life with major functionality.

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