Podcast Episode 67 — Siding Next to a Stepped Foundation
Building with insulating concrete forms, preventing rot on low-slope roofing, and mad props for your humble show-notes compiler.
In this podcast episode, host Justin Fink is joined by editorial director Rob Yagid and design editor Brian Pontolilo. The guys tackle reader questions on topics including flashing to avoid rot, the pros and cons of ICFs, and options for a low slope roof. Plus, workbench design, running conduit, yard clean-up, and lifting drywall.
We are looking for as many podcast listeners as possible to come out to meet the Fine Homebuilding team at the Remodeling and Deck Show this October in Nashville! We’ll be at Booth 424 on Oct. 26, 2017, at the Nashville Music City Center. We’re running an Emerging Professionals Event and recording an episode of this podcast from the show floor.
We also have our continuing request for listeners: We need all our fans to take our podcast feedback survey by clicking here. There’s a chance to win one of ten Amazon Echoes. October 2017 Update: Okay, we’re not giving away Amazon Echoes any more. That reward expired. But there’s a chance that we’ll have SOME kind of reward for those who take the poll. Well, honestly, a CHANCE to win a reward. Can’t say exactly what the reward will be, because you may be reading this in 2018 or 2024 or 2109 after the zombie apocalypse and climate change means we all have to build new net-zero fortress-houses on the seaside islands of Kentucky. But if this text is still here, we still really want your opinions, so please take the poll and we’ll enter you for a chance to win something good, like a $100 gift card or a couple cases of ammo or the antique Snapple bottle caps we’ll use for currency in 2109. Or at the very least, for our deep thanks and the knowledge that your feedback is helping us make the podcast a little better. That’s something everyone who takes the poll gets!
And in a gratifying note of recognition, in this podcast Justin says, “Hop onto our website at FineHomebuilding.com/podcast, where you can check out the awesome show notes that Mike Alterio puts together every week for the show. He takes some fun leeway while writing those and usually has some interesting personality inserted into those posts, so it’s worth a look.” Thanks, Justin!
Today’s episode of the Fine Homebuilding podcast is brought to you by Sakrete and Feeney.
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The Fine Homebuilding Podcast embodies Fine Homebuilding magazine’s commitment to the preservation of craftsmanship and the advancement of home performance in residential construction. The show is an informal but vigorous conversation about the techniques and principles that allow listeners to master their design and building challenges.
Resources and links related to this podcast:
- Using ICFs in the 2016 ProHOME Foundation.
- Building Stem Walls with Insulated Concrete Forms.
- Guide to Low-Slope Roofing.
- Fixing an Unvented Low-Slope Roof With Signs of Water Damage.
- October’s Remodeling and Deck Show in Nashville.
- All FHB podcast show notes: FineHomebuilding.com/podcast.
- Buy a shirt at KeepCraftAlive.org.
Here are listener Paul’s photos of the hillside at his Maine house. The foundation steps down the hill and becomes a walkout. The danger is that water may hit the joint where the siding meets the foundation.
Listener Zephan asks for advice about using insulating concrete forms (ICFs) for both the foundation and the walls of a house he is building. Here’s an example of what it might look like:
Uh oh, listener Ted’s carport has a low-slope roof:
So you guys are supposedly experts, but discussing ICF's you showed a glaring lack of knowledge on the whole system. Maybe you should have someone who knows more than what the acronym means means discuss it. Stick to your "green" building. You should change the name of the magazine to "Green Building ", because you have lost the focus that you had 10 years ago when I first loved the magazine. I don't even buy single copies anymore, it's all green building garbage.
Why step it at all? Slope it to match the grade or if you do step it terrace it with retaining walls at the step downs. You will need at least on retainer at the lower grade to be able to have the siding return the corner.
That is one mighty ugly detail!
First remove all organic soil 3feet from the foundation.
Build a "french drain" - sort of a 2foot wide halfpipe or swale, line it with 6mil plastic to facilitate fast run-off, fill it with drainrock or decorative rock. You dont mow the grass in that spot anyway.
Second: cover the exposed concrete with tar and fasten some furring strips on the concrete wall and install the same shingles in a sloping line from top to the bottom of the stepfoundation.
Third: use epoxy mortar and embed a Kerdi strip from the concrete to the inside furring and cover it with the longest ceramic tile strip you can find.
Re ICF: Unless you have build several homes WITH an ICF contractor, don;t even try to erect one wall yourself. There is a lot more to it than " building it like Lego". Plus the ICF contractor has all the equipment for bracing, levelling and placing rather for you to rent it and deliver it to the site. Worst case of scenario: something goes wrong while pouring concrete and you are on your own (been there done that)
Low slope roof solution.
Option one: peel and stick
Option two: standing seam metal roofing, cut to length, installation is a breeze
in both cases substrate material must be solid, don't install it over some mushy OSB
It must be serendipity that I listed to this week's podcast as I too am facing a stepped foundation/siding detail as I write this. I am dealing with sheathing, Cor-A-Vent rain screen and 5/16" Hardie Panel siding. As I too have copper flashing details throughout this project, I will be installing a copper angle over the Cor-A-Vent to cover it and the sheathing. The Hardie panel will overlap the copper by about to 1/2" to create a shadow line (typical of all of the horizontal conditions).