Gutters!

20200215_165453
You can’t hardly see the gutter in this photo

I didn’t think I would do gutters. In some parts of the LHBA world, gutters are a dirty word. The thinking goes like this: with enough roof overhangs – usually 4′ for each story, and 8′ on the gable ends, gutters aren’t needed. I’ve mentioned before that the finished home will have wrap around porches, thus the reason I only have 4 foot overhangs on my two-story house.

I found out about a month ago why, when the wind blows, the rain still comes in – even though I have the roof finished. Mosseyme says without the chinking, the gaps in the logs are big enough that when the wind blows, there’s nothing stopping it from going right through the house. It makes sense if you think about it- wind is forced to go around a solid wall, but it blows right through a fence – therefore, if there is rain along with wind, it’s going to go right through the “fence” (log walls) until I get it chinked.

In my last post, I talked about installing a porch. I even dug some preliminary foundation holes, and then foolishly thought it would stop raining long enough to pour concrete. I was a fool. Sure, last weekend, we had our first full 2 days without rain this year (it’s the middle of February). But when I checked the forecast last weekend, I saw that more rain was predicted this week. And that made me mad. Ok, not mad, just frustrated. I already knew gutters would cost a bit, but they also install pretty fast. So I bit the bullet and bought a bunch of 5″ gutters and the hardware. And some flat black paint because – really – white gutters on a log home look really tacky.

20200215_164607
I hadn’t quite connected two gutters together in this photo. I fixed that. Also note the porch post holes in the ground below…

Preparation

I was surprised at how far spray paint has come in the last few years. The label on the can specifically said, “dries in 10 minutes”. I was thinking, “yeah, right. Maybe ‘tacky in 10 minutes’, but I doubt ‘dry’.” But it was cheap. And it was dry in 10 minutes, just like they said.

A ten foot gutter takes almost an entire can of spray paint. I had 6 gutters and 4 cans of paint, and barely had enough. I didn’t paint the inside or the top edge because the paint will eventually flake off in the rain, and you’ll never see it from the ground.

Pre-install

I researched gutters carefully. I wanted something cheap, yet durable, and with availability for replacement parts. I have done a vinyl gutter on a previous home, and the while the main hardware (gutters) seemed inexpensive at first, I got nickled and dimed to death with the special hangers and foam/plastic connectors.

Having them professionally made is intriguing- they come out with a machine and make the gutters in one piece out of a roll of sheet metal. They are bent into the correct shape by a machine with rollers. But it’s not economical for the guy to come out and make them and then let you install them. And you can’t buy a single gutter in a 60′ length and have it delivered, either. (It’s a great business model, actually….)

I ended up settling on good old fashioned aluminum gutters- light, strong, won’t rust, can be painted, hardware available almost anywhere. Also stupid proof.

Install

I put a nail in the middle roof on the eve board, about an inch down from the shingles. I stretched a mason line from one end of the roof to the other and used a mason string level (it shows declination angles of 1/8″, 1/4″, 3/8″, 1/2″ per one foot of length). I stayed just this side of the 1/8″ per 1′ line, hoping I could get it down to 1/16″ per foot. Then I nailed the blocks described below along this line for the entire length of the roof. This ensured the gutters are slightly angled (not level) so the water will naturally flow towards the downspouts. My mason string bubble with grade markings (the white one below) came in handy:

empire-levels-83038-64_1000

My eves are actually on an angle compared to the ground, while the gutter instructions say to make sure you install the gutters so the top edge is parallel to the ground. Since my roof is a 6/12 pitch, this means that I could use blocks with a 30 degree angle to offset and make the gutters level, so I got out the chop saw and nail gun and put up blocks every 2 feet on the eves:

20200215_130653

Also, they say to install downspouts every 30 feet or so. This became a problem because to do this, I would have a downspout right in the middle of the house, and two on each end. I decided against this and came up with finding the middle of the house, and angling the gutters down on both sides from the middle towards the edges. Also, with 8 feet of overhang, there isn’t anything to tie the downspout to right at the corner, so I attached the downspouts near the corners of the log walls. The gutters angle down in a very wide ‘W’ pattern, with the downspouts attached at the bottom of the ‘W’, and the middle and corner of the roof being on the three high points of the ‘W’. You can’t even tell from the ground, since the grade has a slope of about 1/16″ per foot. Over 30′ of gutter on each side of the middle of the roof means the gutters only drop about 1 – 7/8″ over that span. Here’s an exaggerated diagram- red represents the gutters, blue represents water and downspouts, and black represents the logs and the roof. The downspouts ended up being in the outside, rather than the inside corners:

Capture

Unintended and happy consequences are – since the roof already has a bit of a wave in it, adding gutters only help draw attention away from the roof. I can’t tell from the ground anymore that the roof has a bit of a wave in it. It’s the principle of art where the “eye loves a line”.  <- I read that somewhere in a history of mathematics book. Off topic: did you know that straight lines rarely exist in nature? It’s only humans that like (and make) straight lines. In nature, everything twists and turns- there are beautiful spirals and perfect circles, hexagons, elipses, etc., – but no long straight lines.

It was scary installing them with my scaffolding. The scaffolding instructions say to only use it on hard flat surface, but I threw the instructions away. I had to make do with rolling it around in the mud and dirt, which wasn’t always level. A few times I thought the scaffolding was going to tip over just from my using my air nail gun. But it didn’t, and I’m very blessed.

20200215_124616
18 feet tall scaffolding. scary at that height. Oh, and a gutter.

Downspouts

I used self-tapping sheet metal screws to hang the downspouts. Cutting and fitting at that height is a bit challenging, but doable. Eventually, the downspouts will lay on the porch roof. I’d like to attach rain barrels and use that to store water for the dry season at the end of summer.

Next steps

I’m pretty pleased with the results. It rained 2″ after I got them installed. I wasn’t there while it was raining, but came out later and saw where the water had washed out onto the ground. All the logs on that side are completely dry, and I’m pretty tickled about that.

I’ve sanded two outside walls, so they are ready for stain. I’ve sanded almost half the inside walls. I ordered some stain this week, but I need to wait for a few dry days where the overnight temps don’t drop below 40 before I can apply it. Carpenter bee season is in just over a month. If everything works, it’ll be slim pickings for them.