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Increased door stiffness, reduced sight lines with rigid sashes, exquisite hardware integration, self-lubricating hinges, and a simple triangular glazing ring are a few aspects that set the Rehme SlimLine product apart from other steel window and door systems.


Stronger is Better. The philosophy behind the Rehme SlimLine product is to make all sight lines as slim as possible without sacrificing significant strength or stiffness. Traditional steel windows and doors are built from flimsy channel or angle iron. This weak geometry creates wobbly panels that clang when they close and poorly prevent water and air infiltration. Rehme has solved this problem by building the door and window frames from 1/2" x 2" solid cold-rolled 1018 steel bar. The stronger alloy material creates a stronger geometry. The result is a stiffer hinged panel that feels sturdier and stops air and water better.

SlimLine detail

This thin, yet stout material reduces sight lines, allowing maximum glass to enjoy the view beyond. In spite of thinner profiles, we are still able to produce extra-large unitized assemblies with integrated, fully-welded, steel thresholds, which reduces the amount of field mulling and assembly. We can delivery unitized assemblies as large as 10'-10" x 19'-6" without field mulling and with no assembly required.


SlimLine glazes from the exterior with a triangular metal glazing ring.  Our patent pending triangular glazing bead is fabricated from four sections of our proprietary aluminum extrusion to create a single, continuous glazing ring. We build a unique glazing ring for each lite opening. The triangular extrusion has an integrated dovetail slot in it that receives a closed-cell foam spline. This foam spline further simplifies our glazing method and isolates the glazing ring from ever touching the steel. Because the foam spline sits inside the dove-tail slot, proud of the outside of the glazing ring, it creates a bit of friction against the steel muntin which holds the stop in place while the structural silicone cures. This allows the glazer to move on to the next light, and in turn decreases glazing time. 

We extrude our glazing stop in the shape of a triangle because after it's installed, it mimics a traditional beveled putty glaze look, which gives the SlimLine product a very crisp traditional steel window appearance with improved performance. Since there are no fasteners or messy putty, our product is super simple to service in the event of a broken window. Any local glazer can remove the stop and replace the IG without coordinating with the manufacturer.

Slimline Glazing


Slimline Quality Hardware

Rehme Steel Windows & Doors now offers a comprehensive line of Rehme Hardware that can be selected at the time of purchase. We provide the hardware, pre-install it, then ship it with the door assembly. This streamlines the process, saving you time, money and headaches. Click here for more details about Rehme Custom Hardware.

Rehme custom machines a mortise preparation into the lock box to create a beautiful flush finish-out on the edge of the door. This attention to detail makes our doors superior to most steel doors which have hardware that mounts proud in the middle of a channel door frame. We produce custom machining preps for the specific hardware selected for your door. We can prep for standard mortise hardware, or roller latch and pulls.

Our Engineered Hinge is superior to all others in the market because it incorporates a stainless steel pin, oil-impregnated bronze sleeve bearings, and stainless ball bearings. Our heavy duty hinge self-lubricates, so it will never need grease, will never squeak, and is guaranteed not to wear out for the life of your door.

Slimline Hinge