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5 Answers

Florida Shed With A/C, Insulation, Vapor Barrier - Please help!

We are planning to buy a 12 x 24 pre-fab portable building like the Lofted Barn at Cookstuff.com.

We live in southwest Florida and need to air condition it 365/yr (pretty much). Going to use the building for our handmade soap workshop and humidity is very important to our soap curing process so we will be using a portable dehumidifier in the space in addition to a wall a/c.

Asked By Ron Taylor | Jan 16 17
0 Answers

Radiant bathroom floor and auxiliary heat in the master of our PGH

Hi all--I've got a couple of questions regarding HVAC in my Pretty Good House (PGH). As you may recall, I built a PGH a little over a year ago and many of you contributed wonderful advice to my queries. We had a nice discussion on how best to heat my house and I decided to go with a single minisplit and a natural gas, heater rated fireplace. This system has worked well for most of the house, save the master bedroom.

Asked By Matt Mesa | Jan 16 17
1 Answer

air sealing and insulating upto chimney?

Hi guys!

I'm looking for some advice on insulating and air sealing near a fireplace and chimney in my house (zone 6a). The chimney is unlined and the furnace and water heater are vented up chimney. I'm not going to use the fireplace as is, but I'm planning to put in a wood burning stove insert at a later time. Looking at the attached pictures, do you have ideas on how to air seal the space between the right of the chimney and the framing. Can I fill this space with mineral wool insulation? For the rest of the house I used mineral wool with membrain. Thanks, I appreciate any help!

Asked By Betina Chaon | Jan 16 17
0 Answers

I need recommendations for the best way to insulate and air seal the walls and floors in in house built in 1977 in the Seattle area.

Existing walls - 2x4 @ 16" o.c.
Sheathing - 1x8 boards
Siding - 1x8 lap siding to be removed
Existing subfloor - 2x6 T&G
Floor structure - 4x10 beams 4' o.oc.
Min req'd R-value for the walls is R-21
Min req'd R-value for floors is R-30

Asked By Stewart Breslin | Jan 16 17
3 Answers

What to do with torrents off the roof?

Zone 4A, East TN, annual rainfall >50" and downpours can be significant. Upslope lot.

Downspouts will tie into 4" pipe to daylight, but then what? Seems responsible to NOT discharge it down the driveway. But if I discharge it onto the slope it would soon create a local grand canyon.

There will be a 3' garden wall to provide a level grade in front of the house. The 4"gutter drains will exit through that wall in two or three places.

Any tried and true remedies?

Asked By David McNeely | Jan 16 17
0 Answers

Construction Docs, quick review please

It's been a long journey but we're at the stage to begin construction in the next couple months. My architects did a stellar job combining our aesthetic vision with green energy design. For my own peace of mind I am hoping to have the experts here take a look at the construction details. Let me (and my builder, who will be dropping in on this thread) know if you have any major concerns with the construction details. The house is in 5A, oriented East-West (roof slope facing south). There is a wrap around porch, a root cellar beneath one side of the porch, and a walk out basement (south side).

Asked By Clara Kim | Jan 16 17
1 Answer

Polaris vs HTP Phoenix for hot water and radiant heat

Looking at using either of those products for both hot water needs and heating (with coil/air handler) in a 3000 sqft house (slab on grade, 2 story, in Southern Ontario).

It looks like 70000btu would be sufficient, but I am wondering about the pros and cons of each tank. already know most features of each product, so I am mostly asking about anecdotal reliability issues with each brand (e.g. igniter issues on the Polaris, which may have been fixed by now).

Regards,

MT

Asked By Mai Tai | Jan 16 17
4 Answers

ZIP Window Detail with Exterior Insulation

On ZIP's website, they have window details which appear to combine the flashing/window buck of an outie window, but it is shown flashing into a WRB (in this case the ZIP sheathing) located behind the exterior insulation.

Asked By Derrick Krienert | Jan 15 17
2 Answers

New house build, SIPs?

New member here, we are planning to build a new house this summer and I'm exploring my options for wall systems. I plan to do the framing myself. House will be roughly 2500 sqft in Ottawa, Ontario Canada. Not the coldest place to build but not far off, and just for kicks it gets pretty hot and fairly humid here in summer as well.

Asked By Lance Peters | Jan 15 17
2 Answers

Mineral Wool R-value by temperature

Does anyone know if there is any information available that shows the performance of mineral/rock wool by temperature?

Buildingscience.com has this for polyiso:
https://buildingscience.com/documents/information-sheets/info-502-temper...

I am wondering if there is something similar for mineral wool.

A few other links I have found -
http://www.greenbuildingadvisor.com/blogs/dept/musings/bold-attempt-slay...
http://www.energyvanguard.com/blog/59419/Big-News-The-R-Value-of-Insulat...

Asked By Nathan Scaglione | Jan 15 17
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