Solid wooden frame

Our frames are 100% seasoned and chemically treated.

Frames are the strongest part of a door. The frame is usually clamped with a brick wall with six or seven clamps. if the frame is wider than 4", 3 clamps are needed for each side and one for the top. Thickness and width of the frame are usually 2.25" x 5.75". It has three parts. Two side parts are usually seven feet. The top part of the frame is flexible in length, the Minimum is 2.5' and the maximum goes up to 10'. 3 parts are clamped together with a dovetail joint, top right and top left. Before making the delivery, we usually stamp four braces to the frame to stabilize two angles at 90 degrees. top, middle, and bottom are stamped at the same width. The entrance part of the frame is usually decorated with the design bit In the inner part of the frame which makes the frame look decorated and safer, in case someone bumps their head into it. 45-degree joints at the top right and the top left with a dovetail fitting stamp with a few nails and glue make the frame very strong and sharp looking.
The exit part of the frame where the shutter is usually installed has a grove in it. All the way around from the left bottom to the right bottom, 0.5" x 1.5". This grove has one purpose mainly. When the door is shut and locked, no burglar can enter the premises without breaking the door. One side of the frame holds the shutter with four to five hinges. Sometimes even six, depending on the size and the weight of the door. Another side of the shutter usually has a door lock or a hatch bolt from the inside of the premises.
Two types of frames are usually made, depending on the thickness and width. One type is 2.25" x 11.75", and the other is 2.25"x 11.75", is usually used for the decorative entrance door, and 5.75' can be used for both (entrance and internal doors). These frames are mainly made by using - Mahogani, Barma Teak, Chittagong Shilkorai, Teak Chamble, Chittagong Teak, and Loha Kath (ironwood).

About timbers for frame

Jessore Mahogany

As we know, Mahogany from Jessore is much better than any other Mahogany in the country. Mahogany timber from other districts has irregular fiber which looks indecent and the color usually gets faded. The difference between the pal and matured part of the timber is that it has distinct different colors and it takes a longer time to get the maturity. Trees planted without proper planning has a problem which is that the bottom part of the tree usually gets a lot wider than the top part, where the production capacity usually slows down.

Mahogany in Jessore is harvested and maintained scientifically because of the quality of the wood. Since the farmers harvest them properly and take good care of those trees, they can come up with a very good profit.

When the Jessore Mahogany wood gets matured, there is not much of a difference between the pal and matured part of the wood and also termites/insects don’t attack them. Similar to Gamari timber there is no color difference between pal and matured part, so in the mahogany of Jessore, there is no color difference between pal and matured part. Since they are planted scientifically and at a well-maintained distance, so they grow taller, the width difference in a sign fact length is usually very low. So, the production is high, but the only problem is that comparatively, it's very expensive. But it performs well in the long run.

Chittagong Shill Karai

Chittagong Shill Karai only grows in Chittagong. The color of the wood may get a little darker or lighter due to the geographical location of Chittagong, but they sustain like the high-quality woods. If this tree grows in any other district besides Chittagong is called "Kali-Karai." Wood from any other district has some problems like Quality is a lot inferior, it bends, twist and fiber is not so descent.

Chittagong Shill-Karai wood has to be free of pal, pal will not only be attacked by termite, but also will be peeled off after a very short time. Another problem with Shill-Karai is, you cannot make any door out of it. The wood is so heavy and the color is so dark.

It doesn’t look good with any other timber but Burma teak. When we white polish Shill-Karai, the color gets very similar to Burma teak.

It must be properly seasoned and moisture content got to be below 14%.

Shill-Karai wood is best for the door frames. its strength and durability are almost perfect for the door frame.

Teak Chamble

Now-a-days we import Teak Chamble from Burma. We used to collect the Teak Chamble from Chittagong and the quality was much more superior. The quality of the Burma teak chamble is good for frame but not for doors.

The price we pay for Burma teak chamble is too much compared to its quality. Even if the moisture content is below 14%, it is still difficult to control from bending, shrinking or expanding. That’s why we don’t advise our clients to make any door out of teak chamble from Burma.

Chittagong Shegun

Chittagong Shegun grows in Chittagong. The quality and fiber of the wood are usually very good, its pal is totally harmless if the wood is properly seasoned below 14% moisture content. For some obvious reasons we don’t harvest the big shegun trees, only the small and the medium size trees are harvested. that’s why we don’t get a high-quality shegun from Chittagong. We collect Chittagong teak with 2-3% pal, but shegun woods from other districts has more than 20-30% pal.

Chittagong Shegun pals don’t usually gets attacked by termites, but since the pals are lighter in color, they expose their color after we polish them. If clients are financially solvent, we usually advise them to purchase Burma teak for much higher quality and outlook.

Burma Teak

Burma Teak tree grows in Burma, and we import them. There are several grades of Burma teak, like A, B, C, D. A grade Burma teak usually don’t come to our country because of their high demand in rich countries. B grade timber looks nice but a little bit darker in color. Burma Teak is the best timber available for doors, frames, and furniture. Those who want to buy good quality doors and frames are easily convinced to invest in Burma teak. There is no other comparison to this timber.

Door and Frame:

There is no use of a door without a frame and also no use of a frame without the door.

We provide full service. We will make, polish the door ship it to our client's site, install them with professional hands, and the final polish. Each step is critical. We may make a beautiful door and ship it to your site. If it somehow gets damaged or the size is wrong, we will take responsibility for the product damaged by replacing it with our own cost. Installing a door is the most technical matter where skill hand is a must with proper equipment. We may ship a door to you and let you install it with your own carpenter and somehow the door gets damaged, who is going to be responsible? Installing a door or a hinge takes a lot of skill, installing a lock takes even more skill and the right tools.
Since we are providing the full service, we will be responsible for every wrong or mistake we make. You are safe from the hassle. The only thing you got to make sure of is the payment. Few things we need to take care of before we install a frame or a shutter.

For Frame:

Before we install the frame we must apply primer and polish and the bitumen at the back part of the frame to make it waterproof. After we install the frame with the wall we have to apply water to the concrete for curing. During the application of water for curing, water will not penetrate to the seasoned timber to damage or discolor it.

Dovetail joint for frame:

Here are two pieces of frame samples. The left one is for the top, and the right one is for the vertical. We usually make this dovetail joint (some people call it the finger joint) manually. We have developed a couple of machines to cut this dovetail joint which is more precise than doing it manually.

We need two other machines to do the other job - a bit cutting machine to cut the bit with, another one is a rabbet cutting machine which cut the rabbet in a single pass. These machines are very accurate and fast. We've been cutting rabbet and bit for a single frame within a minute.

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