Author: Susan

A traditional Japanese frame blessing

From Daizen News November 2011

A frame-blessing ceremony is no longer common, but we had a good opportunity to do one recently in Kamloops. The client requested the ceremony, gathering family and friends together. The purpose of the ceremony is to show the last piece of the frame fitting into the house while the people who will live in the house look on. That last timber assembly included a wetting bush (small pine tree) and a Canadian flag.

Flying in the last roof truss, adorned with a Canadian flag and the traditional wetting bush. The truss end is padded against the lifting strap.

Fitting the final assembly into place.

The client contributed wine and snacks for everyone who gathered to celebrate the fine frame that was built. They greatly admired the work of the designer, the contractor, and we timber framers. In this event I witnessed the client’s thoughtfulness.

I explained the process of creating a frame—trees in coastal BC, cut selectively, delivered to a specialty mill, and carefully kiln dried. Once the wood arrived at our workshop, we planed, sanded, stained, and fabricated the timbers. All were local operations employng local people. I have no doubt that they cared for the work and tried the best they could, each in their own specialty. I shared my pride and appreciation on behalf of all these teams.

I realized something important in this event. The cost of living is so high now, and supporting local businesses (as opposed to using big-box chains) can cause higher immediate costs. Those who allow us to team up with other local businesses who do good work are really supporting our society.

I then blessed the house in the traditional Japanese style. Salt, sake, and rice were prepared for the ceremony. We also created a piece of wood listing all teams and the raising date on its back, and a wish and celebration on the front.

On the red cloth are small bowls of salt, sake, and rice. Leaning vertically above it is the “blessing board.”

I began by spreading salt at each corner: east, south, west, and north. Then, all together, we made two bows, two taps of the wood, and one bow. I explained this as follows: “We are asking this piece of wood to protect anyone who lives under this frame for ten generations to come. While we bow and tap, please put all of your wishes for protection into to this piece of wood. Once the ceremony is completed, this board will stay inside the roof.”

After the bowing and tapping was done, the home’s new owners spread the sake in the same manner as I had done with the salt. The general contractor followed suit with the rice. Everyone thoroughly enjoyed the ceremony.

A chance to learn from B. Allan Mackie

B. Allan Mackie founded a legendary log-building school—the first in the world, the B. Allan Mackie School of Log Building—in 1971, in Prince George, BC. He was almost 50 years old at that time.  Dai was an instructor and then a host of this school for 15 years; he has been the only director of the school other than Allan Mackie.

Allan just celebrated his 87th birthday on October 16th, and plans are in the works for a school “family reunion” in Japan.

Unfortunately, the school is no longer offering courses. For the last five years, Allan and Dai have focused on creating a nine-unit DVD training series, following B. Allan Mackie’s pioneering building philosophy, for those who want to build their own log homes. These are now available online (www.loghomedvd.com). The first 60-minute unit, introducing log building, is a free download.

From Daizen News November 2012

At this time, Allan is planning to attend the International Log Builders’ Association’s annual general meeting in Prescott, Arizona.

If you have an interest in log building, you will thoroughly enjoy this look at Mackie’s work, which has graced Canada and countries all over the world.

Building wisdom, October 2012

仇は恩で奉ぜよ あだはおんでほうぜよ /

ada wa on de bouzyo /

repay your enemy with a favor; return good for evil.

—Japanese proverb

Spotlight on comb finish

From Daizen News October 2012

Wood offers lots of options. One of the most important to homeowners—because it concerns the entire timber surface that you see (and live with) in the finished house—is the finish. If you want a rustic feel to your timber but don’t like fuzzy fibers that catch dust and provide an easy path for spiders, a comb finish may be the answer for you. In most cases, vertical grain is the favored grain look, but in a comb finish, flat grain is also pleasing to look at it.

To achieve a comb finish, we scrub a nylon brush along the grain that digs into, and compresses, the softer fibers. This makes the tight-grained winter growth stand out in relief. Running your hand over it feels good—you get to feel the grain, not just see it.

A comb finish also stands out more when stained.

It’s more work for us, which means a bit more cost, but the result is stunning. Most people who see it (and feel it) really love it.

For more, see our article, “Wood Texture,” on our website’s Downloads page.

Epoxy post anchor system: the best so far

From Daizen News October 2012

We work on many projects, so we receive lots of connection specs from many engineers. It seems like the post anchor connection is still a grey zone in terms of best practices.

This year, we’ve used epoxy anchor connections for almost all of our frames. Why? I think it’s because epoxy anchors lived up to all we thought they would be in their reasonable cost, ease of use, and reliability.

In most steel plate connections, the plates need to be embedded. Plates designed to be attached after the raising still need to be specially fabricated. We often get a phone call after the contractor has installed the frame: “Can you send me detailed information on the connections?” Strangely, we expect to get this information from the contractor! Clearly, there is clearly no generally-accepted standard connection for post anchors, so we have decided to provide a solution for it.

To see this YouTube video of the epoxy connection being assembled, click the image or this link—epoxy video.

When we see the new-building details for post anchors specified with expensive knife plates, we know it means lots of work to set them in place and prepare the timber slot for the plate, which in turn means much greater cost and lots of communication. If we knew who designed this, we could send them information in advance about what we’ve found works better. The epoxy system we favor is much easier to handle.

I explain it to engineers like this. “The epoxy connection is just like a threaded rod cured with epoxy in concrete and wood, except the engineer doesn’t need to worry about whether epoxy will fill properly, because our preferred system is designed to do that.”

Epoxy is injected into threaded rods.

The cavity fills from the middle.

I instruct the job supervisor as follows: “On the concrete that will support the post, find the spot that will be the center of each post, and drill a 6-in.-deep hole there, making sure no rebar is placed in that area. We will provide the rods. Please make sure to insert them with the injection nose accessible for filling the epoxy in once the frame is built.

“Regular concrete epoxy starts to cure in about 5 minutes, so each post needs to be stabilized in its final position for this time. With our system, you don’t need to hold each post in a definite position for 5 minutes. It allows the entire frame to be raised first. You can adjust the post locations, plumb them, and then inject the epoxy, which will set in place.

“The threaded rod is hollow; the injection nozzle plugs into it halfway down its length. The epoxy will flow out from the end of the rod, so when we see any excess from the injection hole, we know the entire space is filled.”

Setup for injecting the epoxy.  Note the small hole at the bottom of the timber.

The epoxy is injected into the hole. When epoxy oozes out, the cavity is full.

To summarize, here are the advantages of this system.

• It requires no steel fabrication.

  It does not require any preparation in the concrete, except to make sure the center of the post location is rebar-free.

  The epoxy doesn’t need to be filled while building is happening; you inject the epoxy once all adjustments are complete and you’re ready to secure the post.

There is no distributor in North America for this epoxy system, so we carry the stock. For further details, please email us.

Building wisdom September 2012

From Daizen News

A chaque oiseau, son nid est beau /

To every bird, its own nest is beautiful.

—French proverb

An Air-Tight Joint

From Daizen News, September 2012

We see two different types of timber frame. One is a frame covered with Structural Insulated Panels (SIP) for high energy efficiency: a highly insulated, air-tight house system.

The other has an infill wall system where the frame is visible both inside and outside. In the infill wall frame, we use full-size tenons so the air cannot penetrate, but we also started using a gasket that is slotted into the joinery and then fills at the frame raising. The HannoWerk seal from Germany is a closed cell seal that expands to block any air or water that might run into the space.

Since we use a seal, the tenon does not need to be full size. We couldn’t achieve this effect with a bead of caulking because timber can shrink and, if a gap occurs, the caulk doesn’t have the ability to expand. Here you can see a groove just to the left of the tenon, where the seal will sit.

The seal in its groove. The groove is necessary so that the seal is seated and is not crushed as it expands.

The groove, with seal, is outside of the joinery. Most likely, the seal will be hidden by a framed infill wall.

Seal arrives to us compressed in a roll that will expand to almost 10 times its original size, to ensure that the gap is sealed.

An unusual Mountain-Man house

From Daizen News September 2012

Our designer Kevin Mattson does all our timber frame design as well as production drawings.  He lives at an off-grid site and raised his child, a son, in a 300-sq.-ft house. Living in a trailer on site, he built the house one part at a time, from 1991 to 2001. The house contains a full-size kitchen (the kitchen table is a dining table too), a living room on the opposite side, and a bathroom in the middle. Above the bathroom is the loft space that is Kevin’s bedroom; it had been a hideaway for his son for many years. Now Kevin’s young son, grown up and in Florida, is going to have a baby soon.

This is such a small house, but when I entered it, I was not able to draw the floor plan in my head for a while. Nice design.

On Kevin’s house, the posts are scribe-fit to rocks, exposed beams are protected with copper, natural light features prominently, and the walls are finished with textured drywall and good natural materials. Because it is small, Kevin can look after it very easily.

The entry is flanked by two natural posts scribed on to a rock base. The full-length wood shutters can be closed for both sunlight control and home security.

The front elevaton, with landscaping.

Interior view of the timber framed entry, enhanced with fixed picture windows. Light from the roof skylight is softened through the matchstick screens.

A driftwood ladder leads up into the loft bedroom. The bath is entered through a hidden door in the cedar paneling, to the right.

View from the bathroom looking through its [open] hidden door.

When in the glass shower in the bath, this is the view to the rear fern garden. Kevin can see the day’s temperature (posted on the tree) during his morning shower.

The kitecn, with its cherry cabinetry and black granite counters. Appliances include a propane refrigerator and stovetop, and a cast iron stove.

Kevin’s living room and home office. The triangular picture window includes an exterior awning shutter that can be operated from inside with a cable and marine hardware.

I visited a similar house in Oliver, B.C., designed by Henry Y. Mann (www.henryyorkemann.com/project/quietude). It’s a 350-sq.ft. house with everything its owner needs, including a full-size kitchen.

These people chose to live in quality. They are not rich but they spend time and money with deep thought down to every detail. They compromised on size, but every moment they spend in their space is suffused with satisfaction.

This is what Daizen wants to support. If your budget is tight, narrow your house down to a smaller area but build with high quality material and craftsmanship so that you and your loved ones can feel the joy of life at home. We can help you!  Let us know.

Building wisdom August 2012

from Daizen News

Building Wisdom

漁夫の利

Two dogs fight for a bone and the third runs away with it.

Daizen NextGen?

from Daizen News August 2012

I’ve given some thought to what wood tasks work best for young kids. I try my two children out on measuring, layout, and cutting (supervised, of course).

A special moment—kids totally engrossed by measuring.

Of course, boys love cutting. This hand saw guide is a great tool—anyone can cut wood by hand to 1/16 in. It’s useful even for fine professional work. We have ten more of these in stock; if you’re interested, please tell us.

Now Taro can sleep on the top bunk without his parents worrying too much!