Screw piles / Discussions

What foundation is best for a cottage on an island?

...Screw piles are a very functional solution when necessary, just maybe not the gold standard. But here is a page outlining the pros and cons of different options and best options for insulating them whichever you choose : Helical piles & screw piles for sustainable homes & extensions As for insulating the floor ...

Posted by Ben Barr Aug. 11, 2025 Foundation choices 1 response

How should I insulate under a concrete hydronic slab on stilts?

...screw pile route as you suggest, but if it were me I would sooner raise the grade with compactable fill to the desired level you were going to go with the screw piles and drop a slab right on it.  At least I would price it out. In which case you could check out slab on grade form kits. At least price out both options, ...

Posted by Cam Smith Feb. 6, 2021 Foundation choices 1 response

Should you allow air flow through a crawl space with a dirt floor?

...screw piles. When it was lifted the new crawl space was sheeted with plywood and poly was layed on the dirt floor. The contractor's then placed pink insulation on top of the poly. We have a lot of moisture down there as the temperatures reach -40 in the winter and then the ground thaws in the summer.  We do not have co...

Posted by Amber Murray Aug. 17, 2020 Crawl spaces 3 responses

Can these homes be built on screwpiles as an alternative to slab foundations?

...piles? We have many models of prefab modular kit houses that can be seated on foundations, screw piles or slab on grade, so it really depends on the model. Currently we don’t have enough supply to  meet demand, so wee are looking to expand so we can supply prefab kit houses all of Canada and the US. So I would suggest ...

Posted by Mark Pospisil July 28, 2020 Architecture and plan design 1 response

What experience do you have with techno piles?

...piles, helical piles or screw piles can be a good option in some cases, particularly where there are extremely high water tables, or very unsuitable soil conditions. Here is a case study we covered about just such a house – Affordable home built on screw piles instead of basement  There are downsides to building on scr...

Posted by Rob DesBaillets Aug. 26, 2021 New foundations and slab-on-grade 3 responses

Can you help me decide between a foundation, slab on grade and crawlspace?

I keep seeing the options out there as pad, crawlspace, and basement. I live near a river, so maybe I'm wrong, but a basement seems like it's gonna be a constant worry, and my parents have expensive issues with needing repairs, since they're on a pad. My question is this, couldn't I ask for a concrete pad to be poured ...

Posted by David Davenport Nov. 26, 2018 New foundations and slab-on-grade 1 response

What is your opinion about building a garage on posts (screw piles)?

...screw piles, so sure, you can do it. But there are a few advantages and disadvantages that will come with it, so the following may help you make a decision -  The advantages of screw pile construction: Using screw piles to replace a foundation will probably save you a lot of money by avoiding (or at least greatly reduc...

Posted by Les P Dec. 11, 2017 Foundations and Basements 1 response