Manufacturing an aluminum door in aluminum fabrication and glass work is a task that demands extreme neatness and accuracy. If the outer frame or the inner shutter of the door is not cut to perfect measurements and accurate angles, the entire door will either end up crooked or bind inside the outer frame during operation. As a professional fabricator, if you want to provide your customer with a company-standard finish and strength, you must follow technical principles at every stage of measurement, cutting, and assembly.
In today's guide, we will discuss in detail all stages of making an aluminum door frame, essential tools, and the golden rules for working with precision.
1. Essential Tools and Materials
Before preparing an aluminum door frame, it is mandatory for your workshop to have the following tools and materials:
- Miter Cutting Saw: For cutting completely perfect 45-degree and 90-degree corners.
- Copy Router Machine or Drill: For extracting slots and marking positions for locks, handles, and hinges.
- Measuring Tape and Try Square: For checking accurate measurements and angles.
- Screwdriver Gun and Drill: For joining frame corners and tightening screws.
- Aluminum Door Profiles: Profile material specified for the door's outer frame and shutter.
- Corner Cleats (Clips) and Screws: For securely joining corners.
- Rubber Gaskets and Silicone: For glass fitting and waterproofing.
2. Step-by-Step Method to Make an Aluminum Door Frame
We divide the fabrication of a door frame into three main sections: taking measurements, cutting, and frame assembly.
Step 1: Taking Accurate Measurements of the Wall Opening
Making a door always begins with measuring the size available in the wall opening of the customer's home or building.
- Width and Height: Always take the measurement of the wall opening at three different places (top, middle, bottom) using a measuring tape.
- Tolerance: From the smallest measurement obtained, subtract 3 to 4 sootar (3/8" or 1/2") to determine the frame size so that the outer frame fits easily inside the wall and leaves margin for leveling.
Step 2: Cutting the Outer Frame and Shutter Profile
Cutting aluminum profiles is the most sensitive stage of this job.
- Outer Frame: If you are making a frame with 45-degree corners, set the miter cutter to a 45-degree angle to cut the side and top materials.
- Corner Neatness: Mandatorily use cutting oil or wax on the blade of the aluminum cutter during cutting so that the edges of the cut come out completely smooth and no gaps remain when joining the corners together.
Step 3: Punching and Slotting for Locks and Hinges
Before assembling the frame, it is essential to prepare locations for the lock and hinges inside it:
- Handle and Lock Location: Mark the position for the lock at a height of 36 to 42 inches from floor level, according to the customer's preference, and extract a perfect slot for the lock body using a router machine.
- Hinge Marking: Mark the hinge positions on both the outer frame and shutter so that no difficulty occurs when hanging the door later.
Step 4: Frame Assembly and Joining Corners
- Using Corner Cleats: Insert aluminum corner cleats or angle brackets inside the cut 45-degree corners.
- Checking with a Try Square: Mandatorily check the 90-degree angle of the corners using a try square before tightening the screws. If the corner is not square, the door will never turn out rectangular.
- Tightening Screws: Tighten the screws securely using a drill gun so that not even a tiny gap remains between the joint.
Step 5: Glass and Rubber Fitting
- Glass Size: Cut the glass approximately 2 to 3 sootar smaller than the inner frame size so that the glass does not sit overly tight against the aluminum and stays safe from breaking.
- Rubber Gaskets: Fit high-quality aluminum rubber gaskets around all four edges of the glass, seat it into the frame groove, and tighten the side beading from above.
3. Key Technical and Safety Principles of Making Aluminum Doors
- Mind the Diagonal Level: Always take cross (diagonal) measurements when assembling the frame. The diagonal measurement from corner to corner must be completely equal.
- Quality Hardware: Always use good brands of screws, hinges, and handles. Cheap hardware becomes loose in a short time, causing the door to sag downward.
- Silicone Waterproofing: Mandatorily apply neutral cure silicone along the outer joints of the frame so that rainwater cannot seep inside the frame.
If you prepare an aluminum door frame by following these technical principles, the finish, strength, and lifespan of the door made by you will turn out completely perfect, and the customer will be extremely satisfied with your work.
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