Tuesday, January 5, 2016

How to Repair Japanese Futon Bed - Part 3 of 5 - The Mattress Support

Fig.1 Wood frame 
placed on side for repairs
By Gary Boutin       

Supplies and Tools:
1 x 2 Douglas fir strip Clear (knot free) 
5/8 angle wood screw (4 per bracket) 
Angle brackets (Simpson Tie)  
Black Oxide Drill bit set  
Bit holder with Phillip tip
Dewalt Electric drill  
Extension cords  
Hex head lag screw 1/4 inch   
Ryobi 12 volt Cordless drill 
Ryobi 12 volt batteries   
Ryobi Electric Radial saw  
Steel Hanger Bolts 1/4" -20 x 1-1/2" 
Titanium drill bit set
Michael works for a program called Uncommon Good that teaches students about green energy. His home is located in Upland, California, a beautiful neighborhood with mature trees in a rural setting. He had just purchased a century-old home and wanted to preserve its look. Being a principal member of Uncommon Good, he was using the house to teach others how to go green. He called my repair service to hook repair his Japanese futon bed. 

This post shows seven steps showing what was done to repair the futon mattress frame. 
Step 1: Fig.1 show the mattress frame was placed on its side and the center support wood leg for the middle of the mattress is in the middle of this picture. To the right of the mattress leg shows the damage on the wood from the leg being ripped out of its socket.
Step 2: Fig.2 bellow middle shows an up close picture of the damage to the wood frame.

Fig.2 Damaged wood frame

Step 3: Fig.3 and fig.4 shows that the one of the reasons why the bed lost its support was that each leg had only one wood screw support. Some of the steel hangers bolts that held the leg to the middle frame were either broken from the top or were twisted from the existing bed.

Fig.3 Steel Hanger Bolts
Fig.4 Wood foot

Step 4: Fig.5 shows my friend Carl replacing the center mattress wood support that held the wooden legs. The old wood middle frame was split and no longer usable. The center support was replaced with a clear (knot free) 1 x 2 Douglas fir strip.
Fig.5 Carl installing 
metal wood strip

Step 5: Fig.6 shows that after the 1 x 2 Douglas fir strip was replaced and secured to the bed frames the middle legs were reinstalled to the bed frame and secured using Simpson Tie Angle brackets. Below Carl is using a Ryobi 12 volt drill with a 1/8 Titanium drill bit to drill into the solid Ash wooden leg. The wood screw used to install each bracket was a 5/8 angle screw and four screws would be needed per angle bracket.
Fig.6 Attaching bracket

Step 6: Fig.7 and fig.8 shows a close up of the Ryobi Cordless drilling into the leg through the Simpson Tie Angle bracket.
Fig.7 Drill first
Step 7: Fig.9 through fig.10 shows the progression of installing the Simpson Tie Angle bracket to each bed leg. This process was redone for a total of nine legs.

Fig.9 Attaching metal brace
Fig.10 Metal brace
Fig.11 Do both sides

How To Repair a Japanese Futon Bed:

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Note: The DIY Advisor assumes no liability for omissions, errors or the outcome of any jobs. The reader must always exercise reasonable caution, follow current codes and regulations that may apply, and is urged to consult with a licensed contractor if in doubt about any steps on these posts. All names were changed to protect client's privacy. DIY Advisor. Reproduction of site content including photos without permission prohibited. All rights reserved. © Copyright 2011-

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