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9 Answers

How to put in basement windows with exterior insulation?

Hi. I am in a bit of a rush with this. They are putting our foundation in soon and although I explained to all the contractors that we would be applying 4" of exterior insulation, they are just now deciding that they do not know how to do the windows! So, what is the best way to do this....let the concrete company set the windows in the concrete and frame them out to the edge of the insulation later or have them leave us a rough opening and use a window buck? Also, with whichever way we do it, how do we make it weather/water tight? Thank you in advance!!

Wenona in Massachusetts

In Green building techniques | Asked By user-6830721 | Nov 30 17
7 Answers

Insulation in the right location? Air-seal sufficient?

I've been lurking on the forum for quite sometime and have spent hours and hours reading posts and comments.
I'm located in Marine 4C in Washington State and we get about 20 inches of rain a year.
We are building a 2000 sqft 2 story and want to have it well insulated.

Our Plan:

Slab on grade with 4 inches of compacted crushed rock, 6 mil poly vapor barrier, 2 inches of R10 pink rigid foam cut at 45* at the footing and going down. Then another 2 inches outside the footing going into the ground 24 inches

In Energy efficiency and durability | Asked By Noah M | Nov 30 17
1 Answer

What to put on top of slab insulation in the bathroom?

I previously asked about insulating my existing slab and am underway with the project; 3/4" rigid foam, 2 layers of floating plywood with the first 3/4" and second layer 1/2". My question is what to do in the bathroom where tile will be the finish floor? Is one layer of 1/2" durock on top of the insulation adequate? Should I double it and lay the second layer perpendicular attached via backerboard screws? I just want to make sure it's stable before the tile is laid. Thanks

In Energy efficiency and durability | Asked By Matthew Seabolt | Nov 30 17
19 Answers

How does someone cancel subscription when there seems to be no way out??

Could someone guide me in the cancellation of membership? it doesn't seem like it is possible to do so.

Thank you

In General questions | Asked By James Someone | May 27 17
10 Answers

Insulation below the camp

OK -- I don't know what I don't know, and basically I need advice on how to insulate the underneath or a camp -- we live in Upstate NY, and we are building a camp on piers using cement tubes -- we are torn on how to keep things from freezing. I know we need some type of barrier to keep all the unwanted guests out from under the camp, so some type of skirt needs to be added, but do we put insulation on the inside of those, to keep thins "warm" or do we add insulation to between the floor joist and then put OSB up to keep it enclosed -- or a combination of both or all or what?

In General questions | Asked By AJAYP66 | Nov 29 17
3 Answers

Any potential problems with unexpected overkill?

I’m nearing completion on a new house build and I’ve asked the builder to take some measures above and beyond his usual process in the interest of comfort and energy efficiency (exterior rigid insulation, conditioned crawl, extra air sealing measures on exterior walls, etc...). I had also asked for air sealing in the attic around the penetrations and top plates. I’m not sure if there was a miscommunication but rather than focused air sealing they had the insulator spray a thin (1/2-1”) layer of closed cell spray foam over the entire roof deck!

In Energy efficiency and durability | Asked By Rich Singleton | Nov 29 17
13 Answers

How can I find an efficient electric oven for my kitchen?

My electrical oven adds a tremendous amount of heat to the house. The top surface, beneath the broiler pans, is 175 degrees when the oven is at 350. The sides of the oven are at 125 degrees.

The expensive ovens don't seem any better. A GE smoothtop range I used in a rental condo blew air through vents at the top of the door - it seemed to be for keeping the door cool to prevent folks from burning themselves on the door. The fan continued to operate for about 15 minutes after the oven was turned off.

In Green products and materials | Asked By Kathy Reynolds | Mar 6 14
1 Answer

VanEE ventilation

My landlord wants this unit left on but it blows cold air full blast into my place. I mean freezing air very forcefully. I closed the vents but the cold air is freezing on my floors. I have electric wall units not a blowing furnace. Its set to comfortable humidity. I have turned it off due to being cold. The windows are very wet with condensation. Our outdoor temp right now is - 7 C.
Do you have any ideas about whats going on here - doesnt seem normal to me. I am used to gas furnaces so this has me stumped.
Thank you

In General questions | Asked By MarianPurcell | Nov 29 17
0 Answers

Digital vs. VRF Scroll Compressors?

I'm looking at two different heat pumps, one using a digital scroll and the other a VRF (variable speed) scroll compressor.

The digital scroll compressor modulates output by separating the scrolls on a duty cycle, essentially a mechanical way of turning the compressor on/off as necessary while keeping the motor running. Modulation is from 100-10%.

The VRF scroll compressor modulates output by varying the speed of the compressor. Modulation is from 100-30%.

In Mechanicals | Asked By Lance Peters | Nov 29 17
9 Answers

Long-term solution for a humidity issue?

I am trying to identify a long-term solution to address high humidities in a recently purchased house. The circa 2015 house is almost 1900 ft2, including finished first and second stories and a walkout basement of which ~40% is finished. The basement was poured using ICFs (2.5” foam insulation on either side of the concrete walls) and has 2” of foam under the slab. The framed portion of the walkout basement was built using 2x8s and insulated with R-30 roxul between the studs. The walls on the first and second floors use 2x6 framing and include R-23 roxul between the studs.

In Energy efficiency and durability | Asked By Rob Shuman | Nov 28 17
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